Math Calculators
Math calculators for percentages, fractions, statistics, geometry, algebra and trigonometry. Solve problems instantly with step-friendly tools.
Percentage Calculator
Free percentage calculator. Find what X% of Y is, what percent X is of Y, and percentage increase or decrease between two numbers.
Open tool →Fraction Calculator
Free fraction calculator. Add, subtract, multiply and divide fractions with simplified results and decimal equivalents.
Open tool →Average Calculator
Free average (mean) calculator. Enter any list of numbers to get the average, sum and count instantly.
Open tool →Statistics Calculator
Free statistics calculator. Get mean, median, mode, range, variance and standard deviation for any data set instantly.
Open tool →Quadratic Equation Solver
Free quadratic equation solver. Solve ax² + bx + c = 0 with real or complex roots, discriminant and vertex shown step by step.
Open tool →Pythagorean Theorem Calculator
Free Pythagorean theorem calculator. Find the hypotenuse or a missing leg of a right triangle using a² + b² = c².
Open tool →Circle Calculator
Free circle calculator. Find area, circumference, diameter and radius of a circle from any one known value.
Open tool →Triangle Area Calculator
Free triangle area calculator. Find the area from base and height, or from three sides using Heron's formula.
Open tool →GCF & LCM Calculator
Free GCF and LCM calculator. Find the greatest common factor and least common multiple of two or more numbers instantly.
Open tool →Exponent Calculator
Free exponent calculator. Calculate any base raised to any power, including negative and fractional exponents.
Open tool →Square Root Calculator
Free square root calculator. Find the square root, cube root or any nth root of a number with high precision.
Open tool →Probability Calculator
Free probability calculator. Calculate the probability of an event, its complement and odds from favorable and total outcomes.
Open tool →Scientific Calculator
Free online scientific calculator with trigonometry, logarithms, exponents, roots, factorials and memory — works on any device.
Open tool →