Overview
The complete calculator catalog in English, with universal tools and clearly labelled country-specific rules.
Finance
401(k) Calculator USA 2026 – Match & Retirement Projection
Amortization Calculator – Payment Schedule & Balance
Austrian Gross-to-Net Salary Calculator – Deductions
Austrian Investment Tax Calculator – Estimate KESt
Austrian Pension Gap Calculator – ASVG Savings Target
Austrian VAT Calculator – Net, Gross & VAT
Auto Loan Calculator – Monthly Payment and Total Cost
Closing Cost Calculator USA – Plan Buyer Costs
Compound Interest Calculator – Future Value & Growth
Credit Card Payoff Calculator – Time & Interest
Currency Converter – ECB Reference Rates
Debt Payoff Calculator – Snowball and Avalanche
Featured
ETF Savings Calculator – Return, TER & Future Value
German Commuter Allowance 2026 – Estimate Tax Deduction
German Deposit Calculator – Interest, Final Balance & Tax
German GNotKG Calculator – Statutory Base Fees
German Investment Tax Calculator 2026 – Withholding Tax
German Midijob Calculator 2026 – Net Pay & Deductions
German Minijob Calculator 2026 – Net Pay & Employer Cost
German Realtor Commission Calculator – Buyer & Seller
German VAT Calculator – Net, Gross & VAT
German Vehicle Tax Calculator – Engine Size & CO₂
Inflation Calculator – Purchasing Power & Money Value
IRA Calculator USA 2026 – Traditional vs. Roth IRA
Lease Calculator – Payment and Total Cost
Loan Calculator – Payment, Interest & Total Cost
Loan Comparison Calculator – Compare Two Loans
Mortgage Calculator – Payment and Remaining Balance
OAS Calculator Canada 2026 – Pension, Clawback & Deferral
PMI Calculator USA – Premium & Possible Cancellation Point
Rent vs. Buy Calculator – Long-Term Net Costs
Retirement Gap Calculator – Income Gap & Savings Target
Retirement Plan Calculator USA 2026 – 401(k), IRA & Roth IRA
Featured
ROI Calculator – Profit, Total Return & Annualized Return
Roth IRA Calculator USA 2026 – Contribution Room & Growth
RRSP Calculator Canada 2026 – Contributions & After-Tax Value
RRSP vs TFSA Calculator Canada – Compare After-Tax Wealth
TFSA Calculator Canada 2026 – Contribution Room & Growth
US Refinance Calculator – Payment, Interest & Break-Even
Wealth Growth Planner – Goals, Fees & Purchasing Power
Featured
Tax & Income
Capital Gains Tax Calculator Canada 2026 – Estimate Tax
Corporate Tax Calculator Canada 2026 – CCPC & Province
CPP & EI Calculator Canada 2026 – Contributions
Federal Income Tax Canada 2025–2026 – Estimate Tax
German Gross-to-Net Salary Calculator – Net Pay
GST/HST Remittance Calculator Canada – Tax Owing
HSA Calculator USA 2026 – Contributions, Tax Savings & Growth
Medicare Calculator USA 2026 – Part B & D Premiums
Paycheck Calculator Canada 2025–2026 – Net Pay
Provincial Tax Calculator Canada 2025 – Estimate Tax
RRSP Tax Refund Calculator Canada 2026 – Estimate
Sales Tax Calculator Canada – GST, HST & PST
Self-Employed Tax Calculator Canada – Income Tax & CPP
Social Security Calculator USA 2026 – Claiming Ages 62–70
U.S. Federal Income Tax Calculator 2026 – Deductions
U.S. Paycheck Calculator – Net Pay and FICA Deductions
U.S. State Income Tax Calculator – 50 States
US Capital Gains Tax Calculator – 2017–2026
US Sales Tax Calculator – Add or Remove Tax
Health
Alcohol Calculator – Estimate BAC, Alcohol Amount & Elimination
BMI Calculator – Adults, Children & Teenagers
BMR Calculator – Estimate Adult Resting Energy Use
Body & Energy Planner – Goals and Weekly Exercise
Featured
Body Fat Calculator – U.S. Navy Method with Body Measurements
Calorie Calculator – Estimate TDEE and Daily Energy Needs
Calories Burned Calculator – Activities & Steps
Ideal Weight Calculator – Compare 4 Formulas
Ovulation Calculator – Estimate Fertile Window
Pregnancy Due Date Calculator – Week Estimate
Sleep Calculator – Estimate Bedtimes and Wake Times by Cycle
Water Intake Calculator – Estimate Daily Fluid Intake
Home & Living
Austrian Purchase Cost Calculator – Tax, Registry & Agent
Canada Mortgage Stress Test Calculator – GDS & TDS
Closing Cost Calculator Canada – Home-Buying Costs
CMHC Insurance Calculator Canada 2026 – Premium & Down Payment
Construction Cost Calculator – Area, Rate & Contingency
German Closing Cost Calculator – Tax, Notary & Broker
German Property Tax Calculator – Base Rate & Multiplier
German Utility Bill Settlement Calculator – Floor-Area Share
Heat Pump Investment Calculator – Simple Payback
Heat Pump Running Cost Calculator – Electricity Use
Heating Cost Calculator – Energy Demand and Cost
HOA Fee Calculator – Community Costs and Assessments
Home Affordability Calculator USA – Income & Debt Budget
Insulation Calculator – Energy and Cost Estimate
Insulation Material Calculator – Boards, Packs, and Waste
Land Transfer Tax Calculator Canada – Province, Toronto & Rebates
Mulch & Soil Calculator – Volume and Bag Count
Paint & Wallpaper Calculator – Room Quantity
Property Tax Estimator – Value, Rate & Exemption
Room Area Calculator – Per Room and Total Area
Solar Calculator – Size, Cost and Simple Payback
Solar PV Calculator – Output and Simple Payback
Stair Calculator – Steps, Rise and Run
Business
Ad Cost Calculator – Analyze CPC, CPM, CPA, ROI & ROAS
Austrian Municipal Tax Calculator – Monthly and Annual
Austrian VAT Advance Return Calculator – Payable & Input VAT
Break-Even Calculator – Units, Revenue & Contribution Margin
Day Rate Calculator – Plan a Freelance Daily & Hourly Rate
Ecommerce Profit Calculator – Margin, CPA & ROAS
Featured
Email CTR Calculator – Delivery, Clicks & CTOR
German Trade Tax Calculator – Multiplier & Allowance
German VAT Advance Return Calculator – Payable & Input VAT
Hourly Rate Calculator – Convert Salary & Plan Freelance Rates
Profit Margin Calculator – Gross, Operating Margin & Markup
SEO ROI Calculator – Plan Profit & Break-even
Shipping Cost Calculator Canada – Estimate Parcels in CAD
Shipping Cost Calculator Germany – Compare DHL, Hermes & DPD
US Shipping Cost Calculator – Estimate UPS, FedEx & USPS
Everyday & Time
Age Calculator – Age From Date of Birth
Countdown Calculator – Days, Weeks & Calendar Time
Date Calculator – Days Between and Date Offset
Day of the Week Calculator – Weekday for a Date
Dog Age Calculator – Human Years by Size
Fuel Consumption Calculator – L/100 km, MPG & Costs
Gas Cost Calculator – Trip Cost Per Person
PTO Calculator – Remaining Days, Hours and Value
Time Zone Calculator – Convert Times Between Zones
Tip Calculator – Amount and Share Per Person
Tire Size Decoder & Comparison – Diameter Difference
Trip Cost Planner – Budget Per Person and Day
Featured
Working Days Calculator – Dates, Holidays and Workweek
Converters
Area Converter – m², Hectares, Acres and ft²
Clothing Size Converter – EU, US, UK, FR & IT
File Size Converter – Bits, Bytes, KB, MB & GB
Length Converter – Metric and Imperial Units
Pixel Converter – px, cm & Inches with DPI
Pressure Converter – PSI, Bar, Pascal & atm
Recipe Converter – Scale Ingredients by Servings
Shape Area Calculator – Rectangle, Triangle & Circle
Shoe Size Converter – EU, US, UK & Mondopoint
Speed Converter – km/h, mph, m/s & Knots
Temperature Converter – Celsius, Fahrenheit & Kelvin
Volume Converter – Liters, Gallons, Pints & Cubic Units
Weight Converter – Kilograms, Pounds, Ounces & Stone
Science
School & Education
Other
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