Convert degrees to milliradians and milliradians to degrees instantly. Bidirectional angle converter with formula and common values.
To convert degrees to milliradians, multiply by π/180 × 1000 (approximately 17.4533). A milliradian is one thousandth of a radian.
| Degrees | Milliradians |
|---|---|
| 1 | 17.453 |
| 5 | 87.266 |
| 15 | 261.80 |
| 45 | 785.40 |
| 90 | 1,570.8 |
| 180 | 3,141.6 |
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One degree equals approximately 17.4533 milliradians.
Multiply the degree value by 17.4533 (π/180 × 1000). For example, 90° = 1,570.80 mrad.
A true milliradian (mrad) is 1/1000 of a radian (6,283.2 per circle). A NATO mil is 1/6400 of a circle. They are close but not identical.
Milliradians are used in precision shooting (mrad scopes), laser beam divergence specifications, and optical engineering.