Free Online Calculators

Simple, fast, and accurate calculators for your financial and everyday needs.

Financial Calculators

See how your investments grow over time with compound interest.

Calculate your monthly mortgage payments and total interest.

Plan your retirement savings and see if you're on track.

Calculate your total net worth by adding assets and liabilities.

Convert annual salary to hourly rate, or hourly to salary.

Find the best time to wake up or go to sleep based on sleep cycles.

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Calculate tips and split bills easily.

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Calculate percentages, increases, and decreases.

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No sign-ups, no downloads. Just quick calculations.

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Works perfectly on any device.

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Your data stays in your browser. We don't store anything.