Gradians to Degrees Converter

Convert angle measurements from gradians (gons/grades) to degrees. Enter any gradian value and get the precise equivalent in degrees.

gradians (grad)
Result

Common Gradians to Degrees Conversions

Gradians (grad)Degrees (°)
0 grad
25 grad22.5°
50 grad45°
100 grad90°
150 grad135°
200 grad180°
300 grad270°
400 grad360°

How to Convert Gradians to Degrees

Converting gradians to degrees uses the inverse of the degrees-to-gradians formula. Since 400 gradians equal 360 degrees, the conversion is straightforward.

The Conversion Formula

degrees = gradians × (9/10)

Or equivalently:

degrees = gradians × 0.9

Example: Converting 100 Gradians to Degrees

degrees = 100 grad × 0.9 = 90°

Example: Converting 200 Gradians to Degrees

degrees = 200 grad × 0.9 = 180°

Understanding Gradians

Gradians provide a decimal-friendly way to measure angles. The key advantage is that perpendicular angles are exactly 100 gradians, half turns are 200 gradians, and full rotations are 400 gradians - all round numbers that simplify mental arithmetic.

When to Use This Conversion

Importing Survey Data: If you receive angular measurements in gradians from European survey equipment, convert to degrees for use with other systems.

Calculator Modes: When switching between GRAD and DEG modes on scientific calculators, understanding the conversion helps verify results.

Historical Documents: Some older French and European engineering documents use gradians, requiring conversion for modern use.