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Convert gradian to degree

Here you can quickly calculate how many degree fit in one gradian.
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  • 1 gon = 0.9 °
  • 1 ° = 1.111111 gon

Gradian to degree conversion table

gradian degree
1 0.9
30 27
45 40.5
60 54
90 81
180 162
270 243
360 324

Gradian to degree formula

To convert gradian to degree, multiply by 0.9.

1 gon = 0.9 °
Example: 1 gradian = 0.9 degree

Common angle conversion mistakes

  • The calculator is in the wrong mode. SIN() in a spreadsheet, Math.sin in code and a calculator in radian mode all read 90 as radians, so sin(90) gives about 0.894, not 1. Convert degrees to radians first, or switch the calculator to degree mode.
  • A mil is not the same everywhere. The NATO mil is 1/6,400 of a turn, the old Swedish streck 1/6,300, and some armies use 1/6,000. Check which scale the sight or map uses, or the target lands off at long range.
  • Gradians and degrees are easy to mix up, since both show as plain numbers on the instrument. A right angle is 90° but 100 gon, and 1 gon is smaller than 1°. Check the unit setting on the instrument.

Quick gradian and degree conversion quiz

Score: 0

70 gradian equals 53.6 degree.

Correct answer: 70 gradian = 63 degree.

3 gradian equals 2.7 degree.

Correct answer: 3 gradian = 2.7 degree.

16 gradian equals 14.4 degree.

Correct answer: 16 gradian = 14.4 degree.

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