All Calculators
Every calculator below runs instantly in your browser — no sign-up, no downloads, and nothing you enter is sent anywhere. Filter by category or search to find the right tool.
Percentage Calculator
Free percentage calculator: find what X% of a number is, what percent one number is of another, or the percentage increase or decrease between two values.
Loans & MortgagesLoan & EMI Calculator
Calculate your monthly loan EMI (equated monthly installment), total interest, and total repayment for any personal, auto, or business loan.
Loans & MortgagesMortgage Calculator
Estimate your monthly mortgage payment, total interest, and loan amount based on home price, down payment, interest rate, and loan term.
Saving & InvestingCompound Interest Calculator
See how your money grows with compound interest. Enter your principal, rate, compounding frequency, and time to see your final balance and interest earned.
Saving & InvestingSimple Interest Calculator
Calculate simple interest and total repayment amount on a loan or deposit using principal, rate, and time — no compounding involved.
Saving & InvestingSavings Goal Calculator
Find out how much you need to save each month to hit a specific savings goal by a target date, accounting for interest earned along the way.
Saving & InvestingRetirement Savings Calculator
Project your retirement savings based on your current age, retirement age, current balance, monthly contributions, and expected annual return.
Budgeting & DebtDebt Payoff Calculator
Find out how long it will take to pay off a debt and how much interest you will pay, based on your balance, interest rate, and monthly payment.
Budgeting & DebtCredit Card Payoff Calculator
Calculate the exact monthly payment needed to pay off a credit card balance within a target number of months, plus total interest paid.
Budgeting & Debt50/30/20 Budget Calculator
Split your monthly take-home income into needs, wants, and savings using the popular 50/30/20 budgeting rule — with fully customizable percentages.
Saving & InvestingInvestment Return Calculator
Project the future value of an investment with an initial deposit, regular monthly contributions, and an expected annual rate of return.
Everyday MoneySales Tax & Discount Calculator
Calculate the final price of an item after a discount and sales tax — see exactly how much you save and how much tax you pay.
Everyday MoneyTip Calculator
Quickly calculate the tip amount and total bill, and split it evenly between any number of people.
Everyday MoneyTake-Home Pay Calculator
Estimate your net take-home pay from your gross salary using your own effective tax and deduction rate — works for any country or currency.
Saving & InvestingInflation Calculator
See how inflation affects the future cost of goods and the purchasing power of money over time, based on your own inflation rate assumption.
Saving & InvestingROI Calculator
Calculate return on investment (ROI) and annualized ROI for any investment, business purchase, or asset sale.