Degree / Radian / Grad Converter
Convert an angle between degrees, radians, and gradians.
Calculate
Enter your values below.
Result
Converted angle
0
Formula used
All conversions pass through radians as a common base: degrees × π/180 = radians, and radians × 200/π = gradians.
Example: 180° = π radians ≈ 3.1416 rad.
How to use this calculator
- Enter Angle value.
- Choose From, To.
- Press Calculate to see your result instantly.
FAQ
Frequently asked questions
What is a gradian?
A unit where a full circle is 400 gradians (also called gons), used in some surveying and engineering contexts.
How many radians are in a full circle?
2π radians, approximately 6.2832.
How many degrees are in a full circle?
360 degrees.
Which unit is most common?
Degrees for everyday use; radians for most higher mathematics and physics.