15 free, beautifully simple financial calculators. From mortgage to retirement — answers in seconds, not spreadsheets.
Pick a calculator below — results are instant, private, and always free.
Calculate monthly payments, total interest, and see a full amortization schedule for any home loan.
Calculate →Find your monthly payment for any loan — personal, auto, student. See total interest paid.
Calculate →How long will it take to pay off your credit card? Find the fastest payoff strategy.
Calculate →Watch your savings grow. Calculate compound interest with monthly contributions over time.
Calculate →How much do you need to retire? Calculate your FIRE number and retirement timeline.
Calculate →See your real take-home pay after federal and state taxes. Supports all 50 US states.
Calculate →How much should you save for emergencies? Calculate your target amount and timeline.
Calculate →Calculate your DTI ratio. Essential before applying for a mortgage or major loan.
Calculate →Calculate return on investment, annualized ROI, and compare investment scenarios.
Calculate →Plan your monthly budget using the 50/30/20 rule. See where your money should go.
Calculate →Is it cheaper to rent or buy in your city? See the real 10-year financial comparison.
Calculate →Calculate your total net worth. Add all assets and liabilities for a clear financial picture.
Calculate →What is $1,000 today worth in 10 years? Calculate the real impact of inflation on your money.
Calculate →For businesses and investors: calculate exactly when you break even on any investment or cost.
Calculate →Live exchange rates for 40+ currencies. Convert USD, EUR, GBP, AED, SAR and more.
Calculate →Built for people who want real answers, fast.
No loading, no servers. Everything runs in your browser, privately.
Your financial data never leaves your device. We store nothing.
Fully optimized for mobile, tablet, and desktop. No app to download.
The same math used by financial institutions. No guesswork.