変換
Degree to Radian
Degrees and radians are often mixed in software, geometry and trigonometry. Formulas usually expect a specific angle unit.
Unit console
式・文脈・精度をそろえて単位を変換
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Examples
Example value from the reference table. Internal calculation uses stored factors; display output is rounded.
Degrees and radians are often mixed in software, geometry and trigonometry. Formulas usually expect a specific angle unit.
1° = π/180 rad. Then the value is converted through the base unit rad into Radian.
表
| Degree | Radian |
|---|---|
| 1 | 0.01745329 |
| 45 | 0.78539816 |
| 90 | 1.57079633 |
| 180 | 3.14159265 |
| 360 | 6.28318531 |
式
1° = π/180 rad. Then the value is converted through the base unit rad into Radian.
出典
関連変換
Search and practice paths
Search and practice paths
Factors come from the stored source family and are not derived from rounded display values.
UnitCloud keeps calculating with stored factors and rounds only the displayed output by selected precision.
Do not use as the sole basis for official, medical, safety-critical or contractual decisions.
Citation note: UnitCloud, conversion with formula, sources current as of May 2026. 角度. Source basis: BIPM SI Brochure · NIST Guide to SI Appendix B.
Common questions
What is the factor for Degree to Radian?
1 ° = 0.0174532925 rad
Which formula does Degree to Radian use?
1° = π/180 rad. Then the value is converted through the base unit rad into Radian.
When should I verify the result?
Do not use as the sole basis for official, medical, safety-critical or contractual decisions.