Math Calculators

From basic arithmetic to statistics and geometry, free online math calculators.

Basic

Scientific Calculator

Trig, log, exponent calculations

Fraction Calculator

Add, subtract, multiply fractions

Exponent Calculator

Power and exponent calculations

Logarithm Calculator

Common log, natural log

Square Root Calculator

Calculate square roots

Long Division Calculator

Step-by-step division

Rounding Calculator

Round, floor, ceil

Ratios

Percentage Calculator

Calculate and convert percentages

Ratio Calculator

Calculate and compare ratios

Sequences

Sequence Calculator

Arithmetic, geometric, Fibonacci

Statistics

Average Calculator

Mean, median, mode

Standard Deviation Calculator

Std dev, variance

Probability Calculator

Calculate probability

Education

GPA Calculator

Calculate grade point average

Number Theory

Prime Number Checker

Find prime numbers

GCD Calculator

GCD, LCM calculation

Combinatorics

Permutations Calculator

Permutations, combinations

Geometry

Pythagorean Theorem

Right triangle calc

Circle Calculator

Area, circumference

Triangle Calculator

Area, perimeter