弧度转换器 — 公式

## Radian Conversion

### Formulas

**Radians = Degrees × pi/180**

**Degrees = Radians × 180/pi**

### Common Conversions

| Degrees | Radians | Pi Form |
|---------|---------|--------|
| 30° | 0.5236 | pi/6 |
| 45° | 0.7854 | pi/4 |
| 60° | 1.0472 | pi/3 |
| 90° | 1.5708 | pi/2 |
| 180° | 3.1416 | pi |
| 360° | 6.2832 | 2pi |

计算示例

Convert 45° to radians.

  1. Radians = 45 × pi/180 = pi/4
  2. = 0.7854 radians
  3. Gradians = 45 × 10/9 = 50 grad