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Converters

Angle Converter

Convert angles between degrees, radians and gradians.

Free foreverRuns in your browserNo sign-up
0.017453

1 ° equals 0.017453 rad.

1 ° in every unit

Degree (°)1
Radian (rad)0.017453
Gradian (grad)1.111111
Milliradian (mrad)17.453293
Arcminute ()60
Arcsecond ()3600
Turn (turn)0.002778

About the Angle Converter

Convert angles between degrees, radians, gradians, arcminutes, arcseconds and turns.

Enter a value, choose your units, and see the result along with a full table of every unit.

Handy for math, trigonometry, CAD and navigation.

Key features

  • 7 units including arcminute and turn
  • Live conversion table for every unit
  • One-click swap between from and to
  • Copy the result instantly

How to use

  1. 1Type the angle you want to convert.
  2. 2Choose the unit you have and the unit you want.
  3. 3Read the result or copy it in one click.

Examples

Degrees to radians
Input: 180 degrees
Output: 3.141593 rad

Half a turn is pi radians.

Radians to degrees
Input: 1 rad
Output: 57.29578 degrees

One radian is about 57.3 degrees.

Frequently asked questions

How many radians are in 180 degrees?
180 degrees equals pi radians, about 3.14159 radians.
What is a gradian?
A gradian divides a right angle into 100 parts, so a full circle is 400 gradians.
Is my data uploaded?
No. The conversion runs entirely in your browser.