FigCalc Changelog - Latest Updates

Latest features and updates

v1.32.0

Added advanced math tools for calculus, right-triangle solving, and high-intent math workflows
Adds derivative, integral, and Pythagorean theorem calculators with dedicated pages, examples, FAQ content, and shareable URL state
Uses established math engines for symbolic derivative and integral work instead of hand-rolled calculus rules
Adds right-triangle solving for hypotenuse, missing leg, side-plus-angle, area, perimeter, angles, and calculation steps
Added schedule-first amortization and 401k planning calculators for deeper financial coverage
Adds an amortization calculator with mortgage, auto loan, and personal loan presets, yearly/full schedule views, charting, print, CSV, and clipboard export
Adds a 401k calculator using 2026 IRS contribution, catch-up, annual additions, compensation, and Roth catch-up threshold limits
Includes focused FAQ content, related financial links, and clearer planning context
Expanded construction from concrete into full project material planning across area, paint, flooring, landscaping, gravel, and roofing
Adds square footage, paint, flooring, mulch, gravel, and roofing calculators with imperial/metric support and shareable URL state
Covers rooms, walls, known areas, circles, triangles, trapezoids, L-shapes, landscaping beds, gravel density presets, roof pitch, shingles, underlayment, waste, and optional cost planning
Adds dedicated examples, FAQ content, related construction links, and clearer material-planning guidance
Expanded weather coverage with moisture, pressure, wet-bulb, and daylight calculators
Adds dew point, humidity, wet bulb, air pressure, and sunrise/sunset calculators alongside heat index and wind chill
Supports Fahrenheit/Celsius, inHg/hPa, elevation, humidity, pressure, geolocation-based sunrise defaults, custom coordinates, twilight windows, and polar day/night handling
Includes examples, FAQ content, related weather/date links, and shareable URL state
Expanded transportation from fuel cost and speeding into broader trip, commute, fuel economy, and EV planning
Adds travel time, fuel economy, EV charging cost, EV range, and commute cost calculators with imperial/metric support
Covers stops, buffer time, arrival estimates, odometer fill-ups, MPG/L/100 km, charging losses, charger power, battery health, reserve margin, gas/EV/transit commute modes, parking, tolls, maintenance, and CO2 proxy estimates
Includes examples, FAQ content, related transportation links, and shareable URL state
Expanded date and time coverage with countdowns, weekday lookup, ISO weeks, meeting windows, and U.S. holidays
Adds countdown, day of week, week number, meeting time, and U.S. holiday calculators with shareable URL state
Covers live countdowns, elapsed time, nth-weekday patterns, reference-date distance, ISO week-to-date conversion, time-zone meeting overlap, observed and actual U.S. federal holiday schedules, and optional Inauguration Day handling
Includes examples, FAQ content, related date-time links, generated reports, and layout refinements
Expanded computer tools with display density, aspect ratio, and RAID storage planning calculators
Adds PPI, aspect ratio, and RAID calculators with presets, custom inputs, shareable URL state, examples, and FAQ content
Covers screen pixel density, pixel pitch, retina-like viewing distance, simplified ratios, proportional scaling, JBOD, RAID 0/1/5/6/10, decimal/binary units, hot spares, filesystem reserve, snapshot reserve, and redundancy overhead
Adds related computer links, examples, and clearer storage-planning guidance

v1.31.0

Added a scientific calculator for trigonometry, logarithms, powers, roots, constants, and degree/radian expressions
Uses a math expression parser for safe numeric evaluation instead of hand-rolled parsing
Supports DEG/RAD modes, inverse trigonometry, log and ln conventions, factorials, modulo, pi/e constants, precision control, and local calculation history
Adds FAQ content, examples, and related math calculator links
Added a random number generator for integers, decimals, unique draws, sorting, seeded results, and copyable output
Supports integer and decimal modes, up to 100 generated values, optional unique integer draws, sort order, and seeded reproducibility
Adds shareable URL state, copy-to-clipboard output, examples for dice, raffles, simulations, and seeded samples
Includes FAQ content and related math calculator links

v1.30.0

Added hours/time-card and business-days calculators to strengthen the date-time cluster
Adds a weekly hours calculator with time-card rows, break deduction, overnight shift handling, overtime split, decimal hours, estimated pay, and shareable URL state
Adds a business days calculator that counts weekdays between dates or adds/subtracts business days while excluding weekends and custom holiday dates
Adds related date-time calculator links and FAQ content

v1.29.0

Financial, Health, And Computer Calculators
New Financial Health Computer
Added new calculators for money planning, nutrition, fasting, media storage, e-liquid mixing, and passwords
Adds currency exchange, financial dashboard, portfolio tracker, savings goal tracker, and retirement planner calculators
Adds nutrition, keto macro, fasting timeline, and e-cig base mix calculators with practical result breakdowns
Adds video size and password generator calculators for storage planning and stronger password creation
Added an expense tracker calculator for monthly spending, budget targets, savings rate, and category analysis
Tracks essentials, lifestyle spending, debt payments, total monthly expenses, cash left, annual costs, and top expense category
Compares spending against a monthly budget and selected savings target
Adds shareable URL state, related calculators, and category-level spending guidance
Added a mortgage comparison calculator for side-by-side fixed-rate loan offer analysis
Compares two mortgage offers by monthly payment, closing costs, interest, remaining balance, and selected-period cost
Shows break-even timing when a lower monthly payment requires higher upfront costs
Adds shareable URL state, related calculators, and side-by-side cost explanations
Added a financial budget planner for monthly income, expenses, savings targets, and category breakdowns
Plans monthly income, core needs, flexible spending, debt payments, and a savings goal
Shows monthly surplus, savings rate, total expenses, category shares, recommendations, and calculation steps
Adds shareable URL state and related financial calculator links
Added a weather category with heat index and wind chill calculators
Adds a heat index calculator for apparent temperature from air temperature and relative humidity with imperial and metric inputs
Adds a wind chill calculator for apparent cold from temperature and wind speed using the NWS wind chill equation
Adds related weather calculators and practical safety-context notes
Transportation Calculators
New Transportation
Added a transportation category with fuel cost and speeding time calculators
Adds a fuel cost calculator for one-way and round trips with imperial and metric units, cost splitting, URL state, and gasoline CO2 estimates
Adds a speeding calculator that compares time saved with speed-over-limit, impact energy, and aerodynamic demand proxies
Adds related transportation calculator links and shareable URL state

v1.23.0

Concrete Calculator
New Construction
Added the first construction calculator for concrete volume and bag-count estimates
Introduces a construction category with related links and shareable URL state
Supports slabs, footings, walls, and round columns in imperial or metric units
Calculates base volume, waste allowance, cubic yards, cubic feet, cubic meters, and ready-mix bag estimates
Date and Fraction Calculators
New Date & Time Math
Added date and fraction calculators for common date arithmetic and fraction workflows
Adds a date calculator for date differences, inclusive ranges, and adding or subtracting years, months, weeks, and days
Adds a fraction calculator for adding, subtracting, multiplying, dividing, simplifying, and converting mixed numbers
Introduces a date-time category with related links and shareable URL state
Added an education category with attendance, GPA, semester GPA, target GPA, final grade, grade average, grade scale, grade curve, weighted grade, and test grade calculators
Moves GPA into the new /education/gpa URL before launch to avoid a later category migration
Adds attendance, semester-gpa, target-gpa, final-grade, grade-average, grade-scale, grade-curve, weighted-grade, and test-grade calculators for common classroom grade planning workflows
Adds FAQ content, related links, and shareable URL state for the education cluster

v1.20.0

Added an implantation calculator for early pregnancy timeline planning
Estimates implantation timing, spotting context, pregnancy test timing, and due-date context from LMP, ovulation, or due date
Adds source links and conservative clinical context for implantation, bleeding, conception, and due-date conventions
Extends the fertility planning cluster with related links and FAQ content
Added a period calculator for next-period and cycle-schedule planning
Estimates current or next period window from last period date, average cycle length, and average period length
Rolls older last-period dates forward to the current cycle before projecting the next six period windows
Extends the fertility planning cluster with source links, FAQ content, and related links
Added an ovulation calculator for fertile-window and cycle-timing planning
Estimates ovulation from last period date, average cycle length, and luteal phase length instead of assuming a fixed cycle day
Shows fertile window, peak fertility days, next period, current cycle day, and pregnancy test timing context
Extends the pregnancy and health cluster with FAQ content and related links
Salary Calculator Projection Chart
Improved Financial Chart
Improved the salary calculator with a charted salary projection view
Adds a lightweight projection chart for current salary baseline, projected gross pay, and optional estimated take-home pay
Keeps the existing future salary cards while making the repeated-raise trend easier to scan
Adds a clearer projection trend for gross and take-home salary scenarios
Added a rent-vs-buy calculator for comparing homeownership and renting net worth over time
Models rent growth, mortgage payments, property tax, insurance, HOA dues, maintenance, appreciation, closing costs, selling costs, and invested savings
Shows the better option at the selected horizon, net advantage, break-even year, first-year monthly cost gap, and final net worth breakdown
Extends the mortgage cluster with a lightweight chart, FAQ content, and related links to mortgage, affordability, refinance, payoff, investment, and savings tools

v1.16.0

Added a CPI-based inflation calculator for purchasing-power comparisons across years
Uses embedded BLS CPI-U annual averages from 1913 through 2024 for historical then-vs-now conversions
Supports future target years with a clearly separated annual inflation projection rate
Adds a lightweight time-series chart, CPI source context, FAQ content, and related links from salary, savings, retirement, and investment tools
Added a dedicated home affordability calculator for income, debt, cash, and DTI-based purchase planning
Estimates maximum affordable home price from household income, monthly debt, cash available, reserve target, DTI limits, and mortgage terms
Includes principal and interest, property tax, homeowners insurance, PMI, HOA dues, closing costs, cash to close, and remaining cash
Extends the mortgage cluster with related links and FAQ content
Added a dedicated mortgage refinance calculator for break-even and interest-cost comparisons
Compares current mortgage balance, rate, remaining term, and optional current payment against proposed refinance terms
Shows monthly savings, break-even timing, new monthly payment, net interest savings after closing costs, and cash-out impact
Extends the mortgage cluster with related links and FAQ content
Added a dedicated early mortgage payoff calculator for extra-principal planning
Models current mortgage balance, remaining term, scheduled principal-and-interest payment, extra monthly payments, and one-time principal payments
Shows interest saved, time saved, new payoff date, target payoff payment guidance, and an accelerated amortization schedule
Connects the mortgage cluster with related links
Added dedicated BMR and Ideal Weight calculators, and improved Exercise Calorie Burn
BMR calculator reuses the shared calorie engine with Mifflin-St Jeor and Katch-McArdle support plus activity-level maintenance comparisons
Ideal Weight calculator compares Devine, Robinson, Miller, and Hamwi formula estimates alongside an adult healthy BMI range
Exercise Calorie Burn now has clearer MET-based calorie burn and pace calculations

v1.11.0

Adult body-fat estimates with the U.S. Navy tape method, optional fat-mass and lean-mass outputs, and health-cluster cross-links
Supports metric and imperial measurements, sex-specific input rules, shareable URL state, and a clear results stack focused on estimate clarity
Launch includes internal-link updates from BMI, Daily Calorie, Age, and Exercise Calorie Burn plus visible FAQ and source sections for search depth

v1.10.0

Debt elimination strategies with multiple payment methods
Payment strategies: debt avalanche, snowball, and fixed budget
Multi-card support with comprehensive payoff analysis and timeline
Portfolio growth projections with dividends, fees, inflation, and after-tax estimates
Starting amount, monthly contribution, annual growth, dividend yield, tax, inflation, and fee assumptions in one focused launch scope
Year-by-year breakdown with separate growth, dividend, fee, and inflation-adjusted portfolio values
Mortgage Calculator
New Financial
Dedicated mortgage payment planning with amortization and extra-payment analysis
Home price, down payment amount or percent, interest rate, term length, extra monthly payment, and first payment date inputs
Monthly payment, payoff date, interest savings, time saved, and full amortization schedule in a dedicated mortgage flow
Dedicated sales-tax calculations for add-tax, reverse-tax, and implied-rate workflows
Supports subtotal plus rate, total plus rate, and subtotal plus total-with-tax inputs in one focused flow
Includes shareable URL state and related calculator links for the published tax page
Paycheck Calculator
New Financial
Take-home pay estimates with federal withholding, FICA, and state-aware paycheck pages
Generic paycheck calculator with shareable URL state for gross pay, pay frequency, filing status, deductions, extra withholding, and state
Dedicated state pages for California, Texas, Florida, New York, Illinois, Pennsylvania, Ohio, Georgia, North Carolina, and New Jersey
Focused landing pages for high-intent unit conversion queries
Published dedicated pages for kg to lbs, lbs to kg, mm to inches, inches to cm, and inches to feet
Universal unit converter now highlights and links to the new pair-specific converter pages
Time Calculator
New Conversion UI
Published a dedicated time arithmetic tool for time differences and add/subtract workflows
Supports time between two clock times, adding time, subtracting time, and overnight calculations in one focused flow
Shows result time, total minutes, decimal hours, day-offset context, and shareable URL state for saved calculations
Auto Loan Calculator
New Financial UI
Added dedicated car financing estimates with reusable amortization schedule controls
Supports vehicle price, down payment, trade-in, sales tax, fees, APR, loan term, extra monthly payment, and first payment date inputs
Shows amount financed, monthly payment, total interest, payoff timing, and a shared amortization panel with print plus yearly or full schedule views
Credit Card Payoff Calculator (Preview)
Preview Financial
Prepared a multi-card credit-card payoff calculator preview for strategy comparison
Month-by-month payoff simulation now supports minimum-only, fixed-payment, debt avalanche, and debt snowball strategy comparisons
Preview page includes payoff summary, savings comparison, FAQ content, and a monthly balance schedule
Comprehensive retirement planning with contribution and income projections
Detailed retirement income analysis with multiple contribution scenarios
Employer match modeling and automatic contribution increase calculations
Life expectancy planning with inflation-adjusted income replacement ratios
Year-by-year savings breakdown and personalized retirement recommendations
Savings Goal Calculator
New Financial UI
Flexible goal planning with improved numeric input handling
Calculate monthly savings needed, time to goal, or achievable goal amount
Support for various goal categories with compound interest modeling
Locale-aware parsing for formatted amounts and thousand separators in key money fields
Updated page descriptions and copy to better reflect timeline, starting balance, and interest growth scenarios
Published with live IPv4 subnet analysis, better address context, and split previews
Accepts plain IPv4 addresses or pasted CIDR blocks like 192.168.1.42/24 with live recalculation
New network overview highlights the CIDR block, usable range, broadcast address, scope, and address role
Selectable child subnet preview supports /0 through /32, including /31 point-to-point and /32 single-address cases
Correct 32-bit subnet math, wildcard masks, improved URL state, and automated calculator tests
Published with modern interface standards, DSC support, and corrected bandwidth modeling
Live mode estimation for custom resolutions, refresh rates, chroma subsampling, and Display Stream Compression
Updated interface reference for HDMI, DisplayPort, Thunderbolt 4, and Thunderbolt 5 with suitability guidance
Clearer results presentation, corrected chroma and DSC handling, and automated calculation tests
Tax Calculator Input Reliability
Fix Tax UI
Improved locale-safe number entry and stability across multiple tax calculators
Restored the Brazil tax calculator boot path and fixed the issue where BRL input could effectively stall once values reached five digits
Australia and UK tax pages now use locale-aware parsing instead of ad-hoc number handling for formatted values
Improved formatted tax form input to reduce entry and parsing errors
Shared Calculator Copy Cleanup
Fix UI
Cleaned up inconsistent shared UI text and page copy across published calculators
Fixed previously hardcoded or inconsistent labels in shared calculator components and navigation
Improved descriptions and on-page copy for newly published calculator pages

v1.7.0

Region-Based Unit Selection
New System
Intelligent unit system defaults based on your location with improved URL sharing
Automatic unit system selection based on locale (Imperial for US, Metric for other regions)
Smart URL parameters that only save non-default values for cleaner sharing
Enhanced unit toggle component with improved visual feedback and state management
Better calculator synchronization when switching between Imperial and Metric units
Performance & Design Improvements
UI Performance
Enhanced visual design and faster page loading
Optimized background SVG rendering with 30% reduced GPU memory usage
Enhanced color diversity with logo-inspired purple gradients for better brand consistency
Improved background visibility and distribution with strategic element repositioning
Replaced CSS backdrop-blur with native SVG filters for better mobile performance
Optimized container styling for better rendering performance
More compact footer design for improved space utilization
Streamlined component architecture and reduced visual complexity
Improved form layout and user experience
Enhanced layout with helpful guidance ranges for height and weight inputs
Added informative BMI explanation box with visual indicators
Better space utilization with improved visual balance and content organization

v1.6.0

Enhanced User Experience
Major improvements to calculator functionality and user interface
Percentage Calculator: Consolidated into unified interface with 6 calculation modes
Percentage Calculator: Fixed card layout design and bottom-aligned examples
Percentage Calculator: Improved quick calculator results to show actual values
Better number formatting using browser locale standards across all calculators
Improved form validation and error handling for empty input states
Tax Calculator Improvements
Comprehensive improvements to all international tax calculators
Standardized status messages and form layouts across all 6 tax calculators
Fixed empty input handling and result display issues
Improved form validation and user feedback
Enhanced educational content and calculation accuracy
Better responsive design and mobile experience
Financial Calculator Updates
Enhanced accuracy and usability of financial calculation tools
Loan Calculator: Fixed URL parameter naming and calculation accuracy
Compound Interest Calculator: Corrected effective annual rate calculations
Discount Calculator: Improved UX with better validation and formatting
Salary Calculator: Resolved percentage input parsing issues
Better browser locale formatting for international users
Computer Tools Enhancement
Improved computer-related calculators with better functionality
Download Calculator: Enhanced speed sorting and improved 'Other Speeds' section
Download Calculator: Added proper translation system and DEFAULTS integration
Bandwidth Calculator renamed to Download Calculator for clarity
Better speed reference tables with shortened unit names for readability

v1.5.0

New Tax Category Launch
New Tax
Dedicated tax calculation category with international support
US Tax Calculator moved to dedicated Tax category with enhanced organization
New comprehensive tax category design with country-specific icons and branding
Improved navigation and discoverability for all tax-related tools
Complete Australian income tax calculation with Medicare levy
Current 2024-25 Australian tax brackets with automatic tax-free threshold
Medicare levy calculation (2%) with low-income exemptions and reductions
Comprehensive deductions support including work-related expenses
Tax offset calculations and detailed breakdown of total tax liability
Canadian federal income tax with basic personal amount
2024 Canadian federal tax brackets with progressive rate structure
Basic personal amount calculation with automatic inflation adjustments
Federal tax credits and deductions support for accurate calculations
Clear breakdown of marginal vs effective tax rates for financial planning
UK income tax with dynamic year selection and personal allowance
Dynamic tax year selection with historical and current tax brackets
Personal allowance tapering for high earners (£100,000+ income)
Progressive tax brackets covering basic, higher, and additional rates
Comprehensive coverage for England, Wales, and Northern Ireland tax systems
Brazilian federal income tax (IRPF) calculation with comprehensive deductions
Complete Brazilian federal income tax (IRPF) calculation for 2023-2025
Progressive tax brackets (0%, 7.5%, 15%, 22.5%, 27.5%) with 'parcel a deduzir' method
Full deduction support: dependents (R$ 2.275,08 each), unlimited medical expenses
Education expense limits (R$ 3.561,50 per dependent) and pension contribution deductions
Brazilian locale formatting with real-time R$ currency and number formatting
Comprehensive educational content about IRPF system and federal vs state/municipal taxes
German income tax calculation with progressive zones and solidarity surcharge
Complete German income tax calculation using official 2025 tax brackets
Progressive tax zone (14%-42%) with accurate marginal rate calculations using Grundtabelle method
Regular rate zone (42%) and top rate zone (45%) for high earners
Solidarity surcharge (5.5%) calculation with automatic relief for lower incomes
Tax-free allowance (Grundfreibetrag) of €12,096 for residents
German locale formatting with real-time € currency and number formatting
Comprehensive educational content about German tax system and worldwide income taxation

v1.4.0

Shareable Calculator URLs
New System
All calculators now support shareable URLs that save your inputs
Share calculator results with friends via URL links
URLs automatically restore your previous calculations
Clean, easy-to-share web addresses for all calculators
Improved Number Formatting
Better number display with proper thousand separators
Automatic thousand separator formatting (1,000 vs 1000)
Improved number input experience with better editing
Consistent formatting across all financial and math calculators
Enhanced Visual Design
Various design improvements throughout the site
New SVG icons for all calculator categories
Updated homepage with better organized calculator listings
Improved card designs with better hover effects
More consistent styling across all calculators
Enhanced accessibility and mobile experience
Unit Converter: Improved Speed table with shortened unit names (m/s, km/h, mph) for better readability
Calculator Updates
Significant improvements to individual calculators
Loan Calculator: Added first payment date selection
Loan Calculator: Improved yearly payment summary table
Percentage Calculator: Added clearer 'of' separator in basic mode
Daily Calorie Calculator: New high-calorie foods reference section
BMI Calculator: Updated to 5-category system with Severe Obesity classification
BMI Calculator: Added interactive BMI lookup table with user highlighting
BMI Calculator: Enhanced educational content and health information
Better input validation and error handling for all calculators
Complete pregnancy timeline with multiple calculation methods
LMP, conception, ultrasound, and IVF dating methods with automatic validation
Comprehensive pregnancy timeline with trimester breakdown and key milestones
Weekly development tracking and important appointment scheduling guide
Pregnancy safety guidelines and educational content for expectant mothers
Comprehensive age calculation with life milestones and zodiac information
Precise age calculation in years, months, days, hours, minutes, and seconds
Next birthday countdown with automatic real-time updates
Age milestones tracking including Sweet 16, voting age, retirement, and more
Western and Chinese zodiac sign information with personality insights
Life stage categorization with age-appropriate health recommendations
Days lived counter and interesting age-related facts and statistics
Time Zone Converter
New Conversion
Global time management with world clock display
Business hours indicators for international coordination
Meeting planner for multi-timezone coordination and scheduling

v1.3.0

Comprehensive unit conversion for 8 categories
Support for Length, Weight, Volume, Area, Pressure, Speed, Energy, and Power conversions
Real-time conversion with formula display and educational content
Quick convert buttons for common values and auto-save functionality
60+ units across all major measurement systems (metric, imperial, scientific)
Multi-scale temperature conversion with references
Support for Celsius, Fahrenheit, Kelvin, Rankine, and Réaumur scales
Real-time multi-scale conversion with temperature reference table
Quick temperature buttons for common reference points (freezing, body temp, etc.)
Educational content about temperature scales and their applications
Download time calculations with network overhead modeling
Focused download time estimation with real-world network overhead
Educational content on MTU size, jumbo frames, and network efficiency
Speed comparison reference and effective bandwidth analysis
Loan Calculator
New Financial
Monthly payment calculations with flexible loan terms
Complete amortization schedule and total cost analysis
Automatic conversions and payment breakdown visualization
Investment growth modeling with multiple compounding frequencies
Additional deposit support and flexible contribution schedules
Year-by-year breakdown with effective annual rate calculations

v1.2.0

Full arithmetic operations with calculator keypad interface
Keyboard support for efficient number entry
Calculation history with auto-save functionality
Weight management with BMR and TDEE calculations
Multiple calculation formulas for accurate results
Macronutrient breakdown and weight change predictions

v1.1.0

2025 federal tax brackets with smart deduction calculations
Tax bracket visualization and optimization insights
Marginal vs. effective tax rate breakdown
BMI Calculator
New Health
Body Mass Index calculation with metric and imperial units
Health category classification and recommendations

v1.0.0

Salary Calculator
New Financial
Complete salary and income calculations
Hourly, monthly, and annual salary conversions
Tax calculations and take-home pay estimates
Tip Calculator
New Financial
Dining and service tip calculations
Percentage-based tip calculations
Bill splitting for groups
Discount Calculator
New Financial
Shopping savings and discount calculations
Percentage off and fixed amount discounts
Final price and savings amount display
Comprehensive percentage calculation suite
Basic percentage calculations
Percentage increase and decrease
What percentage is X of Y calculations
URL State Management
New System
URL state management across all calculators for easy sharing and bookmarking

🚀 More exciting features coming soon! Stay tuned for updates.