Free Calculators & Converters
Free calculators and converters for everyday math, money, health, and units — mortgages, loans, taxes, percentages, currencies, and more. Fast, accurate, and private, with no signup required.
36 tools in Calculators & Converters
Unit Converter
Convert between 12+ unit categories instantly
Currency Converter
Real-time rates for 60+ world currencies
BMI Calculator
Calculate Body Mass Index for adults and children
Car Loan Calculator
Calculate auto loan payments and total costs
Salary Calculator
Convert between hourly, monthly, and annual salary
Age Calculator
Exact age with zodiac sign and life stats
Date Duration Calculator
Calculate duration between two dates
Percentage Calculator
NEWCalculate percentages in 5 different ways instantly
Mortgage Calculator
NEWMonthly repayment, total interest & amortisation schedule
Tip Calculator
NEWCalculate tip and split the bill between any number of people
TDEE Calculator
NEWCalculate daily calories, BMR, and macros for your fitness goal
VAT & Sales Tax Calculator
NEWAdd or remove VAT, sales tax, ICMS — UK, UAE, US, Brazil presets
Markup, Margin & Discount Calculator
NEWPrice products, work out profit margin, apply discounts
US Mileage Calculator
NEWIRS mileage reimbursement: business, medical, charitable — 2026 rates
US Self-Employed Tax Calculator
NEW1099 quarterly estimated tax — SE tax (15.3%) + federal income tax, 2025 IRS rates
US Mortgage PITI Calculator
NEWFull monthly payment: Principal, Interest, Property Tax, Insurance & PMI — all 50 states
US 401(k) Calculator
NEWProject retirement savings with employer match and compound growth — 2025 IRS limits
UK Student Loan Calculator
NEWMonthly repayments, interest & write-off projections — Plans 1, 2, 4, 5 & Postgraduate
Germany Net Salary Calculator
NEWBrutto → Netto: income tax, solidarity surcharge & social contributions — 2024 rates
US Tax Refund Estimator
NEWEstimate your 2025 federal refund or balance due — IRS brackets, standard deduction & child tax credit
Credit Card Payoff Calculator
NEWMonths to debt-free and total interest — by fixed payment or target date
Compound Interest Calculator
NEWProject investment growth with monthly contributions — principal vs interest chart
Roth IRA Calculator
NEWProject tax-free retirement growth — 2025 limits and tax saved vs a taxable account
Home Affordability Calculator
NEWHow much house can you afford? 28/36 DTI rule with state property tax, insurance & PMI
Rent vs Buy Calculator
NEWIs it cheaper to rent or buy? True-cost comparison with break-even year
US Sales Tax Calculator
NEWAdd or remove US sales tax — average combined state + local rates for all 50 states
US Inflation Calculator
NEWWhat a dollar from any year is worth today — CPI data back to 1913
Dubai RERA Rent Increase Calculator
NEWMaximum legal rent increase for a Dubai property under the RERA rental index (Decree 43/2013)
UAE Mortgage Calculator
NEWDubai property mortgage in AED — monthly payment, total interest, and upfront DLD/agency fees
UAE Corporate Tax Calculator
NEW9% federal corporate tax above AED 375,000 — with Small Business Relief and effective rate
UAE Personal Loan Calculator
NEWEMI on an AED personal or car loan, with flat-rate vs reducing-rate comparison
UK Council Tax Calculator
NEWEstimate your council tax bill by band (A–H) with the single-person discount
UK Dividend Tax Calculator
NEWTax on dividends for 2025/26 after the £500 allowance — for directors & investors
US Social Security Estimator
NEWEstimate your monthly retirement benefit by claiming age (62, 67, 70) — 2025 PIA formula
Savings Calculator
NEWHigh-yield savings & CD growth with APY, initial deposit, and monthly contributions
Net Worth Calculator
NEWAdd up assets, subtract liabilities, and see your net worth with a clear breakdown