Any grading scale

GPA to Percentage Calculator

Convert between GPA and percentage on 10 different scales — with a live letter grade, a slider for quick adjustments, and an instant side-by-side comparison across every other scale.

Convert

Pick a direction, choose your scale, and adjust the number or the slider — the result updates as you go.

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Live calculation as you type
Formula used Percentage = (GPA ÷ Scale Max) × 100
--PERCENT

A+

Same result, every scale

ScaleEquivalent GPA

How the Conversion Works

One formula drives every scale, so the calculator and the comparison table can never disagree with each other.

1

Pick your scale

Select the grading scale your institution actually uses — from 4.0 up to 20.0.

2

Enter a value

Type a GPA or a percentage, or drag the slider — the result updates live by default.

3

Compare instantly

See the same result expressed on every other common scale, side by side.