Category

Math

Percentages, fractions, ratios, triangles and more with clear step-by-step results.

7 tools · Private · Browser-only

Everyday math

Percentage Calculator

Find percentages and changes.

Fraction Calculator

Add and multiply fractions.

Scientific Calculator

Basic expressions in the browser.

Average Calculator

Mean of a set of numbers.

Ratio Calculator

Split a total by ratio.

Triangle Calculator

Area and perimeter of triangles.

Random Number Generator

Random integers or decimals.