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Example · Mortgage Estimated monthly payment $2,539 Principal & interest $2,023Property tax $367Insurance $150 $400,000 home · 20% down · 6.5% · 30 years Try it with your numbers →
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Formulas shownEvery result explains how it was calculated.
Official sourcesMoney topics cite the CFPB, IRS and Dept. of Labor.
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Money & Loans

Payments, interest and retirement — see the real cost before you sign.

Mortgage CalculatorMonthly payment with taxes, insurance, PMI and an amortization schedule.Auto Loan CalculatorCar payment with sales tax, fees, down payment and trade-in.Compound Interest CalculatorWatch savings grow with monthly deposits and a year-by-year table.Credit Card Payoff CalculatorHow long until you're debt-free, and how much interest it costs.401(k) CalculatorProject your retirement balance with employer match.

Home & DIY

Order the right amount of material the first time.

Square Footage CalculatorArea of rooms and yards, with waste and cost estimates.Gravel CalculatorCubic yards, tons and bags of gravel for driveways and paths.Concrete CalculatorCubic yards and 40/60/80 lb bags for slabs and patios.Mulch CalculatorCubic yards and bags of mulch for garden beds.

Work, Pay & Everyday Math

Turn hours, wages and bills into clear numbers.

Tip CalculatorWork out the tip and split the bill in seconds.Percentage CalculatorPercent of a number, percent change, increase and decrease.Work Hours CalculatorWeekly time card with breaks, overtime and gross pay.Salary to Hourly CalculatorConvert yearly salary to hourly pay and back.

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3

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Every page shows the formula, a worked example and its sources.

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Results are estimates for educational purposes. See our disclaimer.