Finance calculators
Loan, mortgage, interest, salary and tax calculators — work out payments, rates and totals in seconds.
Car Loan Calculator
Free car loan calculator — work out the monthly payment, total cost and total interest on an auto loan from the price, interest rate, and term in years. Runs in your browser.
Commission Calculator
Free sales commission calculator — flat-rate, tiered brackets, and base-plus-commission modes. Calculate your earnings from any sales structure. Runs in your browser.
Compound Interest Calculator
Free compound interest calculator — see what a starting balance grows to over time at a given rate, with annual, quarterly, monthly or daily compounding. Runs in your browser, no sign-up.
Debt Avalanche Calculator
Free debt avalanche calculator — the mathematical optimum for repaying multiple debts. Enter up to 5 debts with balance, APR, and minimum payment. Sorts by highest rate first to minimize total interest. Runs in your browser.
Debt Snowball Calculator
Free debt snowball calculator — plan your smallest-balance-first repayment. Enter up to 5 debts with balance, APR, and minimum payment to see your payoff plan and total interest. Runs in your browser.
Discount Calculator
Free discount and sale price calculator — find the final price and the amount saved on any percentage-off deal. Type the original price and the percent off. Works in your browser.
Hourly to Salary Calculator (annual, monthly, weekly)
Free hourly-to-salary calculator — type any rate (hourly, weekly, monthly or annual) and see the other three. Adjusts for hours per week and weeks worked per year.
Inflation Calculator (future value & buying power)
Free inflation calculator — project a value forward in time (future buying-power equivalent) or discount a future value back to today, at any inflation rate.
Mortgage Calculator
Free mortgage calculator — work out your monthly payment, total cost over the life of the loan, and total interest paid. Just enter the loan amount, interest rate and term. Runs in your browser, no sign-up.
Percent Off Calculator
Find what percent off a sale price is — enter the original and sale price to get the discount %, amount saved, and more. Free, instant, in your browser.
Personal Loan Calculator
Free personal loan calculator — work out the fixed monthly payment, total cost, and total interest on an unsecured installment loan from amount, rate, and term in years. Runs in your browser.
Profit Margin & Markup Calculator
Free profit margin and markup calculator — go between cost, selling price, and margin or markup percent. Clears up the margin-vs-markup confusion.
ROI Calculator
Free return-on-investment (ROI) calculator — work out the profit and percent return between an initial amount and a final amount. Single-period ROI in your browser.
Salary Raise Calculator
Free salary raise calculator — work out your new salary from a raise percentage, or find the raise % from your target salary. Bidirectional. Runs in your browser.
Savings Goal Calculator — How Much to Save Each Month
Free savings-goal calculator — set a target amount and a time horizon, get the monthly contribution you need at any interest rate. Accounts for an initial deposit.
Simple Interest Calculator
Free simple interest calculator — work out the interest and final balance on a principal at a given rate over time. Uses the I = P × r × t formula. Runs in your browser, no sign-up.
Tip Calculator
Free tip calculator with bill split — type in the bill, pick a tip percentage, and split the total between any number of people. Works in your browser, no sign-up.