Radians to Milliradians Converter
Convert radians (rad) to milliradians (mrad)
Result
1,000 mrad
Milliradians
1 rad = 1,000 mrad
1 rad in other units
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How to convert radians to milliradians
One radian equals 1,000 milliradians, so multiply the number of radians by 1,000.
mrad = rad × 1,000
1 rad = 1,000 mrad · 1 mrad = 0.001 rad
Worked example
To convert 5 radians to milliradians: 5 rad × 1,000 = 5,000 mrad.
About radians (rad)
A radian is the angle where the arc equals the radius, about 57.2958°. Maths and physics use radians.
About milliradians (mrad)
A milliradian is one thousandth of a radian, used in optics and rifle scopes.
More conversions
Radians to other units
Frequently asked questions
How many milliradians are in one radian?
One radian equals 1,000 milliradians.
How many radians are in one milliradian?
One milliradian equals 0.001 radians.
How do I convert radians to milliradians?
Use the formula mrad = rad × 1,000. For example, 5 rad × 1,000 = 5,000 mrad.