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5 Free Tools

Free Calculators

BMI, mortgage, percentage, age, and tip calculators — free, no signup, right in your browser.

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5 tools, ready
to use right now.

More calculators are on the way — this category will keep growing. These are general-purpose estimates — see our Disclaimer for details, especially for the BMI and Mortgage calculators.

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BMI Calculator
Calculate your Body Mass Index from height and weight — a general, population-level estimate.
Try it free →
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Mortgage Calculator
Estimate your monthly mortgage payment based on loan amount, interest rate, and term.
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Percentage Calculator
Find percentage increase, decrease, difference, and reverse percentage calculations.
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Age Calculator
Calculate exact age in years, months, and days from any birth date.
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Tip Calculator
Quickly calculate tip amount and split the bill between any number of people.
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Why It Matters

Quick math,
done right.

From figuring out a restaurant tip to estimating a mortgage payment, these are calculations most people need occasionally but don't want to do by hand. Each calculator uses standard, publicly documented formulas — see our Disclaimer for what these estimates do and don't account for.

Free Forever●No Signup●20 Tools●Zero Cost● Free Forever●No Signup●20 Tools●Zero Cost●
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20 free tools.
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No account. No subscription. No downloads. Just open any free online tool and get your work done in seconds.

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