Percentage Calculator

Solve percent-of, percent ratio, and percent change questions in one compact calculator.

ModeAB

Result

How it works

Choose the sentence that matches your problem.

The labels stay simple so you can match the selected formula.

The answer updates immediately and can be copied.

Phase 1 includes A percent of B, A as a percent of B, and percent change from A to B.

The calculator returns Undefined instead of showing a misleading number.

Calculate a grade percentage from earned points and possible points, with a simple letter estimate.

Calculate GPA from total grade points and total credits using a transparent weighted formula.

Calculate net work hours from days, hours per day, and daily break time.