Clear numbers for every money decision

Estimate your monthly mortgage payment based on the home price, down payment, interest rate, and loan term — plus optional property tax, insurance, and HOA fees.

Find the monthly payment, total interest, and total repayment amount for any fixed-rate installment loan — useful for personal loans and any other lump-sum loan with a set term.

Estimate your monthly car payment based on the vehicle price, down payment, trade-in value, interest rate, and loan term.

Estimate your monthly payment on a personal loan, and see how an origination fee affects the amount you actually receive versus what you repay.

Estimate the maximum home price that fits your budget, based on your gross income, existing debts, and down payment — using the same front-end/back-end guidelines many lenders reference.

See which option costs less over time — buying a home or renting and investing the difference — based on the assumptions you provide about rates, growth, and how long you'll stay.

Find out how much you need for a down payment at any percentage, what loan amount that leaves you with, and how long it could take to save the difference.

Enter your current mortgage balance, rate, and remaining term to see your payment, then add an extra monthly amount to see how much sooner you'd be mortgage-free.

See how a starting amount and optional monthly contributions could grow over time, assuming a steady annual return that compounds monthly.

Find the monthly contribution needed to reach a savings goal by a target date, based on your starting balance and an estimated interest rate.

Project what a lump-sum investment could grow to, and see that amount in today's purchasing power after accounting for inflation.

Estimate what your retirement savings could grow to by your target retirement age, based on your current age, savings, monthly contributions, and expected return.

Calculate your total return on investment and, if you provide a time period, your annualized return (CAGR).

Find the smoothed, constant annual growth rate that connects a beginning value to an ending value — useful for comparing investments on an apples-to-apples annual basis.

Estimate how a dividend-paying position could grow over time, based on the yield, dividend growth rate, and share-price growth you expect — with or without reinvesting the dividends.

Find your FIRE number — the portfolio size needed to cover your annual expenses at a sustainable withdrawal rate — and see how many years of saving and investing it could take to get there.

See how long it will take to pay off a credit card balance, and how much interest you'll pay in total, based on your APR and a fixed monthly payment.

See how long it will take to pay off a debt, and how much time and interest you could save by adding an extra amount to your monthly payment.

Calculate your front-end (housing-only) and back-end (all debts) debt-to-income ratio — a key number lenders use, and a useful check on your own budget.

Convert an hourly wage into weekly, biweekly, monthly, and annual gross pay, based on your hours per week and weeks worked per year.

Convert an annual salary into an equivalent hourly wage, based on your typical hours per week and weeks worked per year.

Estimate your net take-home pay after federal income tax, Social Security, Medicare, and state income tax, using 2026 federal tax figures.

Calculate the sales tax amount and total price for a purchase, using whatever combined state and local tax rate applies where you're shopping.

Estimate your federal income tax liability, marginal tax bracket, and effective tax rate, using 2026 IRS tax brackets and the standard deduction.

Calculate the tip on a bill and split the total evenly among everyone at the table.

Find a percentage of any number, and see that number increased or decreased by the same percentage.

Calculate how much you'll save and what you'll actually pay after a percentage-off discount.

See what a dollar amount today could cost in the future, based on an inflation rate you choose.

Find your emergency fund target based on your essential monthly expenses and a coverage goal, and see how many months it would take to get there.