Degree to Radian Converter
免费角度转换器, 即时换算度、弧度、百分度、角分和角秒
1Degree=0.0174532925Radian
1 Radian = 57.2957795131 Degree
Degree
- Symbol
- °
- System
- Metric/Imperial
- Dimension
- Various
Radian
- Symbol
- rad
- System
- Metric/Imperial
- Dimension
- Various
Quick Reference Table
| Degree | Radian | Radian | Degree |
|---|---|---|---|
| 1 | 0.0174532925 | 1 | 57.2957795131 |
| 2 | 0.034906585 | 2 | 114.5915590262 |
| 3 | 0.0523598776 | 3 | 171.8873385393 |
| 5 | 0.0872664626 | 5 | 286.4788975655 |
| 10 | 0.1745329252 | 10 | 572.957795131 |
| 25 | 0.436332313 | 25 | 1432.3944878275 |
| 50 | 0.872664626 | 50 | 2864.788975655 |
| 100 | 1.745329252 | 100 | 5729.57795131 |
| 500 | 8.72664626 | 500 | 28647.88975655 |
| 1000 | 17.4532925199 | 1000 | 57295.7795131 |
Conversion Formula
Radian = Degree × 0.0174532925
Degree = Radian × 57.2957795131
Factors are from BIPM SI brochure and NIST SP 811, stored unrounded and computed via a base unit. Reverse factor is 1 ÷ 0.0174532925.
How to convert Degree to Radian
Multiply the value in degree by 0.0174532925 to get radian. For example, 5 Degree = 0.0872664626 Radian. All results in the angle converter update instantly as you type, so you can see every unit at once without manual math.
Common mistakes
Do not round the factor to 0.01 too early — keep full precision until the final display. For angle, always verify critical calculations (medicine, engineering) with a second source.
FAQ
- How many Radian in 1 Degree?
- 1 Degree = 0.0174532925 Radian.
- How many Degree in 1 Radian?
- 1 Radian = 57.2957795131 Degree.
- What is the source?
- BIPM/NIST via OmniConverter base-unit engine. Source table and formula above are exact.
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