Math Calculators
37+ free online calculators for mathematics. From basic arithmetic to advanced algebra—instant results with step-by-step solutions.
Basic Math & Arithmetic
GCD, LCM, percentages, ratios, and number theory
Fractions & Decimals
Add, subtract, simplify, and convert fractions
Algebra
Solve equations, polynomials, and expressions
Geometry & Volume
Calculate area, volume, perimeter, and more
Finance & Money
Calculate interest, tax, and financial growth
Why Use Our Calculators?
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Instant Results
Get accurate answers in milliseconds with our optimized calculation engine.
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Step-by-Step
Understand the solution with detailed explanations and formulas shown.
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Mobile-Friendly
Works perfectly on all devices—phone, tablet, or computer.
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100% Free
All calculators are completely free to use, no signup required.