1 Radian to Mils

1 rad ≈ 1018.6 mil

Calculation: mil = 1 rad × 1018.59 ≈ 1018.6 mil

Radian to Mil Converter

Choose the type of measurement to convert
Select the source unit to convert from
Select the target unit to convert to
Enter a numeric value or fraction to convert
Sig. Figures:

How wide is 1 rad?

1 radian (57.3 degrees) is comparable to the tilt of a recliner chair leaned back for comfort.

What does 1 rad look like?

Illustration of a recliner chair tilted back
1 radian (57.3 degrees) is comparable to the tilt of a recliner chair leaned back for comfort.

How to Convert Radian to Mil

1 radian = 1018.59 mils

Mil = Radian × 1018.59

Example: 1 rad × 1018.59 = 1018.6 mil

Reverse Conversion

To convert mils back to radians:

  • Remember, 1 mil equals 0.000981748 radians.
  • To convert 1018.6 mil to rad, multiply 1018.6 x 0.000981748, resulting in 1 rad.

1 rad is also equal to:

About these units

Radian: The radian (rad) is the SI derived unit of plane angle. It is defined as the angle subtended at the center of a circle by an arc equal in length to the radius.Although mathematically dimensionless, th...

Mil: The mil is a military angular unit used in ballistics, optics, and range estimation.In the NATO system, a full circle is divided into 6400 mils.

Frequently Asked Questions

How much is 1 radian in mils?

1 radian equals 1018.6 mils. This is calculated by multiplying 1 by the conversion factor 1018.59.

What does 1 radian look like in mils?

1 radian equals 1018.6 mils, a conversion used in navigation, trigonometry, and engineering design.

How do you calculate 1 radian to mils?

Multiply 1 by the conversion factor 1018.59. The calculation is 1 × 1018.59 = 1018.6 mils. This factor is defined by international measurement standards.

Share This Calculation

1 radian = 1018.59 mils
1 radian = 1018.59 mils — conversion chart

For general conversions between radians and mils, see the radians to mils converter.

Conversion factors verified against BIPM, ISO 80000-3 1 turn = 2π rad = 360° (exact, ISO 80000-3). Last reviewed: March 2026
Tiago Fernandes Reviewed by Tiago Fernandes

All unit conversions on CoolConversion use conversion factors defined or documented by internationally recognised standards bodies (such as ISO and NIST), including both SI and non-SI units.