1. Enter a value
Type the angle value you want to convert.
Angle Converter
Convert angle units between degrees, radians, gradians, arcminutes, arcseconds, and turns. Use it for trigonometry, geometry, navigation, design rotation values, and engineering calculations.
2. Choose units
Select the source and target units, or swap them instantly.
3. Copy the result
Use the live conversion result or copy a quick conversion.
1 Degree (°) = 0.0174532925 Radian (rad)
Related tools
Useful next stepsLength ConverterConvert meters, feet, inches, miles, kilometers, and moreWeight ConverterConvert kilograms, pounds, ounces, grams, and tonsTemperature ConverterConvert Celsius, Fahrenheit, and KelvinSpeed ConverterConvert km/h, mph, m/s, and knotsTime ConverterConvert seconds, minutes, hours, days, and weeksArea ConverterConvert square meters, square feet, acres, and hectares
When to use a angle converter
Angle Converter helps with everyday measurement changes, product specs, school work, travel, reports, and technical notes where different angle units need to match.
Popular angle searches
- degrees to radians
- radians to degrees
- degrees to gradians
- turns to degrees
Angle Converter FAQ
How many radians are in 180 degrees?
180 degrees equals pi radians, or about 3.14159 radians.
How many degrees are in one full turn?
One turn equals 360 degrees.
What is a gradian?
A gradian divides a right angle into 100 parts, so 90 degrees equals 100 gradians.