Everyday Math & Productivity
Simple calculators for percentages, unit conversions, tips, interest, dates, and number bases. All calculations run locally in your browser for complete privacy.
Showing 8 of 48 tools
Everyday Math & Productivity
Percentage Calculator
Calculate percentage change, discounts, markup, and more with formula explanations.
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Everyday Math & Productivity
Unit Converter
Convert between length, weight, and temperature units instantly.
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Everyday Math & Productivity
Tip & Split Bill Calculator
Calculate tips and split bills evenly among your group.
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Everyday Math & Productivity
Simple Interest Calculator
Calculate simple interest on loans or investments with formula breakdown.
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Everyday Math & Productivity
Compound Interest Calculator
Calculate compound interest with contributions and yearly breakdown.
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Everyday Math & Productivity
Date Difference Calculator
Calculate days, weeks, months, and years between two dates.
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Everyday Math & Productivity
Working Days Calculator
Count working days between dates with customizable work week.
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Everyday Math & Productivity
Number Base Converter
Convert between binary, decimal, hexadecimal, and octal number systems.
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