Angle Converter
Convert between degrees, radians, gradians and turns.
- 180 Degree (ยฐ) =
- 3.141592654 Radian (rad)
- Radian (rad)
- 3.141592654
- Gradian (gon)
- 200
- Arcminute (โฒ)
- 10,800
- Arcsecond (โณ)
- 648,000
- Turn (full circle)
- 0.5
What is Angle Converter?
Angles measure rotation. Everyday life uses degrees, mathematics and programming use radians, and surveying often uses gradians.
What this tool does
Choose the unit you have and the unit you want, then enter a value. The result is shown first, and a table below lists the same value in every other unit of this converter. Factors use the standard definitions, so converting there and back gives the starting value.
How to use it
- Enter the value to convert.
- Choose the unit to convert from and the unit to convert to.
- Read the result, or look in the table for the other units.
Did you know?
- A full circle is 360 degrees, 2ฯ radians (about 6.283), 400 gradians or one turn.
- The 360 degree circle probably comes from the ancient Babylonians, who counted in base 60.