Finance Tools & Calculators
Mortgage Calculator
Calculate your monthly mortgage payment with taxes and insurance — principal & interest breakdown, total interest and payoff cost for 15- and 30-year loans.
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Loan Calculator
Calculate your monthly loan payment, total repayment and total interest from the amount, annual rate and term.
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Interest Calculator
Calculate simple and compound interest: final amount and interest earned for any principal, rate and period.
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APR Calculator (True Cost of a Loan)
Find the real annual cost of a loan: enter amount, rate, term and upfront fees to get the APR, monthly payment and total repayment.
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IBAN Validator
Check whether an IBAN is valid using the official mod-97 checksum, entirely in your browser.
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Tip Calculator
Calculate the tip and split the bill per person — 15%, 18%, 20% or any custom percentage, instantly.
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Hourly to Salary Calculator
Convert an hourly wage to yearly, monthly and weekly salary — or an annual salary back to an hourly rate. $25/hour is how much a year? Find out instantly.
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Inflation Calculator (Custom Rate)
Enter an amount, a yearly inflation rate and a number of years: see the future price, the loss of purchasing power and the cumulative change.
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Credit Card Payoff Calculator
See how long it takes to pay off your credit card balance, the total interest cost — or the monthly payment needed to be debt-free by a target date.
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Crypto Converter (BTC, ETH → USD, EUR, TRY)
Convert between the top cryptocurrencies and USD, EUR or TRY with live CoinGecko prices — both directions, cached politely.
Convert
401(k) Retirement Calculator
Project your 401(k) balance at retirement — contributions, employer match and compound growth, with a contributions-vs-growth breakdown.
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Savings Calculator (Monthly Contributions)
What a starting amount plus a fixed monthly deposit grows to with compound returns — future value, total contributions and earnings.
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FIRE / Early Retirement Calculator
How many years until financial independence: your FIRE number from annual spending, and the path to it from savings and returns.
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Auto Loan Calculator
Monthly car payment from price, down payment, trade-in, sales tax, APR and term — with total interest and total cost.
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