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Math Calculators

Free online math calculators covering arithmetic, algebra, geometry, trigonometry, calculus, matrices, vectors, and more.

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Fraction Calculator

Add, subtract, multiply, divide, and simplify fractions.

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Ratio & Proportion

Simplify ratios, find missing values, and compare proportions.

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Geometry Calculator

Calculate area, perimeter, and volume of common shapes.

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Matrix Calculator

Add, multiply, invert, and find determinants of matrices.

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Linear Algebra

Vector operations: dot, cross, magnitude, and angle.

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Calculus Calculator

Numerical integration and differentiation of functions.

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Log Calculator

Calculate logarithms with any base.

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Exponent & Root

Calculate powers, roots, and exponents.

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Circumference

Find circle circumference, area, and diameter.

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Slope Calculator

Calculate slope, distance, and line angle.

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Pythagorean Theorem

Find missing side of a right triangle.

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Number Base Converter

Convert between binary, octal, decimal, and hex.

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Roman Numeral Converter

Convert Roman numerals and Arabic numbers.

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Prime Factor & Checker

Check primes and find prime factors.

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Scientific Notation

Convert decimal and scientific notation.

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Sig Fig Calculator

Count and round significant figures.

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