Built for US households & travelers

12 free calculators for everyday American decisions.

Mortgage costs, restaurant tips, auto payments and personal budgets—calculate instantly on mobile, tablet or desktop. No account, no tracking form and no paid API.

🏡Mortgage Payment CalculatorEstimate principal, interest, property taxes, insurance and HOA.🚗Auto Loan CalculatorCar price, sales tax, trade-in, down payment and financing term.🍽️Tip & Bill Split CalculatorSplit restaurant bills instantly, with adjustable US tip percentage.💳Credit Card Payoff CalculatorSee payoff time and interest based on balance, APR and payment.💼Salary & Hourly Pay CalculatorConvert annual salary to monthly, weekly and hourly gross pay.🏙️Rent Affordability CalculatorEstimate a rent budget from gross annual income and expenses.

Everyday US Tools

Six more free calculators

🧾Sales TaxEnter local tax percentage and final checkout cost 🏷️Discount & CouponCalculate sale savings and optional tax 📊PercentageCalculate percent of a whole number ⚖️Adult BMIUS units and adult BMI categories 🎂Age by DateYears and elapsed days between dates 📏Unit ConverterUS and metric measurement conversions

Try it now: Tip & bill split

Open full tip calculator

Enter your numbers

Before-tip bill ($)Tip (%)Number of people

Figures update instantly in your browser. Nothing is sent to a server.

Enter your numbers to calculate.

Illustrative estimate only. Verify exact costs with your lender, employer, issuer or service provider.

Which calculator should you use?

For home purchases, start with mortgage payments and adjust local property taxes, insurance and HOA assumptions. Car shoppers can compare financing terms in the auto loan calculator. Everyday needs include restaurant tips and splitting a bill, checking how long a credit-card balance might take to repay, converting gross hourly and salary amounts, and estimating a rent budget.

Compare housing scenarios across major US cities

We provide guided mortgage and rent scenarios for six large US housing markets. These pages do not imply live city price data or official tax rates; they explain which local costs to research and let you enter your own current figures.

New York Los Angeles Chicago Houston Phoenix Dallas

How results are calculated

All calculations happen inside your browser. No financial information is sent to our servers. Results show assumptions and limitations directly beside the numbers. Actual lending offers, taxes, fees and housing costs vary. Our tools are educational and do not promise eligibility for a loan or apartment.