Math Calculators
Free online math calculators covering arithmetic, algebra, geometry, trigonometry, calculus, matrices, vectors, and more.
Fraction Calculator
Add, subtract, multiply, divide, and simplify fractions.
Ratio & Proportion
Simplify ratios, find missing values, and compare proportions.
Geometry Calculator
Calculate area, perimeter, and volume of common shapes.
Matrix Calculator
Add, multiply, invert, and find determinants of matrices.
Linear Algebra
Vector operations: dot, cross, magnitude, and angle.
Calculus Calculator
Numerical integration and differentiation of functions.
Log Calculator
Calculate logarithms with any base.
Exponent & Root
Calculate powers, roots, and exponents.
Circumference
Find circle circumference, area, and diameter.
Slope Calculator
Calculate slope, distance, and line angle.
Pythagorean Theorem
Find missing side of a right triangle.
Number Base Converter
Convert between binary, octal, decimal, and hex.
Roman Numeral Converter
Convert Roman numerals and Arabic numbers.
Prime Factor & Checker
Check primes and find prime factors.
Scientific Notation
Convert decimal and scientific notation.
Sig Fig Calculator
Count and round significant figures.