Degrees to Milliradians Converter

Convert angle measurements from degrees to milliradians (mrad). Essential for military, ballistics, and precision optics applications.

degrees (°)
Result
0 mrad

Common Degrees to Milliradians Conversions

Degrees (°)Milliradians (mrad)
0.1°1.7453 mrad
0.5°8.7266 mrad
17.4533 mrad
87.2665 mrad
10°174.5329 mrad
45°785.3982 mrad
90°1570.7963 mrad
180°3141.5927 mrad

How to Convert Degrees to Milliradians

A milliradian is one-thousandth of a radian. Since 1 degree = π/180 radians, 1 degree = 1000 × π/180 milliradians.

The Conversion Formula

milliradians = degrees × (π × 1000 / 180)

Simplified:

milliradians = degrees × 17.453293

Example: Converting 1 Degree to Milliradians

milliradians = 1° × 17.453293 = 17.4533 mrad

What Is a Milliradian?

A milliradian (mrad) is 1/1000 of a radian. At 1000 meters distance, 1 milliradian subtends approximately 1 meter. This makes milliradians extremely useful for range estimation and precision aiming.

Applications

Military & Ballistics: Rifle scopes and artillery fire control systems use milliradians for precise adjustments.

Optics: Laser beam divergence and optical system specifications often use milliradians.

Surveying: Precise angular measurements in theodolites and total stations.

Mrad vs NATO Mils

Note: Mathematical milliradians (mrad) differ from NATO mils. A full circle contains approximately 6,283 milliradians but exactly 6,400 NATO mils. This converter uses true milliradians.