Degrees to Radians (° to rad) Converter
Free angle conversion tool
Result
0
radians
📝 How to Use
1️⃣
Enter angle in degrees or radians
2️⃣
See instant conversion
3️⃣
Copy result with one click
🔢 Conversion Formula
Radians
=
Degrees
×
π/180
Degrees
=
Radians
×
180/π
📊 Quick Reference Table
| Degrees (°) | Radians (rad) |
|---|---|
| 0° | 0 rad |
| 30° | π/6 ≈ 0.524 rad |
| 45° | π/4 ≈ 0.785 rad |
| 60° | π/3 ≈ 1.047 rad |
| 90° | π/2 ≈ 1.571 rad |
| 180° | π ≈ 3.142 rad |
| 270° | 3π/2 ≈ 4.712 rad |
| 360° | 2π ≈ 6.283 rad |
❓ Frequently Asked Questions
How many radians is 180 degrees?
180 degrees is exactly π radians (approximately 3.1416 radians). This is the standard half-circle measurement.
How to convert degrees to radians?
To convert degrees to radians, multiply the degree value by π/180. Formula: Radians = Degrees × (π/180).
How many degrees is π radians?
π radians is exactly 180 degrees. This is fundamental in trigonometry and calculus.