Free Online Calculators

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Mortgage Calculator

Estimate monthly home loan payments.

💳

Loan Calculator

Monthly payments for any loan.

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Compound Interest

Grow your savings over time.

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Sales Tax & Discount

Final price after tax or discount.

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Tip Calculator

Tip amount and bill split per person.

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Simple Interest

Interest on a principal over time.

🎯

Savings Goal

How much to save each month.

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ROI Calculator

Return on investment & annualized.

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BMI Calculator

Body mass index from height & weight.

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Calorie Calculator

Daily calorie needs & BMR.

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Body Fat

Body fat % (U.S. Navy method).

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Ideal Weight

Healthy target weight by height.

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Water Intake

Daily water you should drink.

％

Percentage Calculator

Percentages, increase & decrease.

🎓

GPA Calculator

Weighted grade point average.

½

Fraction Calculator

Add, subtract, multiply, divide.

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Average Calculator

Mean, median, min & max.

➗

Ratio Calculator

Simplify or solve ratios.

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Unit Converter

Length, weight, temperature & more.

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Data Storage

Bytes, KB, MB, GB, TB & PB.

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Speed Converter

mph, km/h, m/s & knots.

🎂

Age Calculator

Exact age in years, months, days.

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Date Difference

Days, weeks & months between dates.

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Countdown

Days until a future date.

⏱️

Time Duration

Hours & minutes between times.