Math calculators

Perform useful mathematical calculations in seconds with our collection of free online math tools. From percentages and fractions to geometry, statistics, and exponents—find the calculator you need below.

Percentages

• Percentage Change Calculator
• Percentage Calculator
• Percent Error Calculator

Algebra

• Quadratic Equation Calculator

Arithmetic

• Average Calculator
• LCM Calculator
• Scientific Calculator
• Random Number Generator
• Greatest Common Factor Calculator
• Factor Calculator
• Rounding Calculator
• Powers of i Calculator
• Place Value Calculator
• Prime Number Calculator
• Big Number Calculator

Fractions

• Fraction To Decimal Calculator
• Fraction Calculator
• Mixed Fraction Calculator
• Fraction Comparison Calculator
• Decimal To Fraction Converter
• Ratio Calculator

Linear algebra

• Matrix Calculator

Coordinate geometry

• Slope Calculator
• Distance Calculator

Triangles

• Pythagorean Theorem Calculator
• Triangle Calculator

Circles

• Circle Calculator

2D geometry

• Area Calculator

3D geometry

• Volume Calculator
• Surface Area Calculator

Sequences

• Fibonacci Calculator
• Number Sequence Calculator

Exponents and logarithms

• Log Calculator (Logarithm)
• Log Base 2 Calculator
• Exponent Calculator
• Root Calculator
• Scientific Notation Calculator

Binary

• Binary Calculator

Statistics

• Standard Deviation Calculator
• Sample Size Calculator
• Probability Calculator
• Statistics Calculator
• Mean, Median, Mode, Range Calculator
• Permutation and Combination Calculator
• Z-score Calculator
• Confidence Interval Calculator