Free Math & Calculation Tools
Quick, client-side calculators for everyday and technical math — solve algebraic equations, graph functions, convert number bases and units, and calculate time durations. No spreadsheets, no sign-up, just fast answers.
Algebra Calculator
Input algebraic equations and evaluate variables client-side.
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Base Converter
Convert numeric strings across base 2, 8, 10, 16, and base 36 systems.
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Graph Calculator
Graph functions on a coordinate grid dynamically using JS math engines.
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Scientific Calculator
Standard web calculator for exponential, logarithmic, and trigonometric functions.
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Time Calculator
Add/subtract hours, calculate duration, and compare global time differences.
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Unit Converter
Instantly switch metric and imperial values for length, weight, and volume.
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