Mathematics Calculators

Essential math calculators for algebra, geometry, statistics, and conversions

12 free calculators in this category — no sign-up required.

Percentage Calculator

Calculate percentage, percentage change, and percentage of total

Full scientific calculator with functions

Add, subtract, multiply, and divide fractions

Calculate area of circles, rectangles, triangles, and more

Calculate volume of cubes, spheres, cylinders, and more

Calculate slope between two points

Calculate population and sample standard deviation and variance

Calculate the average (mean), median, mode, and range of any number set

Solve quadratic equations using the formula

Calculate natural and common logarithms

Calculate powers and exponents

Calculate factorial and permutations