Degrees to Radians Converter
How to convert Degrees To Radians
rad = deg × π/180.
To convert degrees to radians, use the formula: rad = deg × π/180. Enter any value in the input field above and the result appears instantly. Click the ⇄ button to reverse the conversion direction.
All conversions use precise mathematical constants validated against international SI standards (NIST and ISO 80000), accurate to 8 significant figures.
Frequently Asked Questions
How many Radians are in one Degree?
rad = deg × π/180. π radians = 180°. Formula: radians = degrees × π/180. Enter any angle in degrees to convert to radians.
What is the formula to convert Degree to Radian?
rad = deg × π/180. Multiply the Degree value by the conversion factor to get Radian.
How do I convert Radians To Degrees?
Use the Radians To Degrees converter — formula: deg = rad × 180/π. Click the ⇄ switch button above for the reverse conversion.
Is this Degree to Radian converter free?
Yes — completely free, no registration required. Works instantly in your browser using precise mathematical constants validated against SI standards.