Free Online Calculators

40+ fully functional calculators for math, finance, health and more. All calculators work instantly with accurate results.

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Mortgage, loan, investment calculators

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Scientific, percentage, fraction calculators

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Age, BMI, calorie calculators

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Date, tip, discount calculators

Popular Calculators

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Calculate exact age in multiple formats

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Calculate monthly mortgage payments

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Calculate Body Mass Index

All percentage calculations

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Calculate tips and split bills

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Simple arithmetic calculator