20 Mils to Radians

20 mil ≈ 0.019635 rad

Calculation: rad = 20 mil × 0.000981748 ≈ 0.019635 rad

Mil to Radian Converter

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Sig. Figures:

How wide is 20 mil?

20 mil (1.1 degrees) is comparable to the angle a clock minute hand sweeps in a few seconds to one minute.

What does 20 mil look like?

Illustration of a clock minute hand movement
20 mil (1.1 degrees) is comparable to the angle a clock minute hand sweeps in a few seconds to one minute.

Did you know? Thumb width at arm's length is 1°.

Your thumb held at arm's length covers about 1-2° of sky. Astronomers use this as a quick reference.

How to Convert Mil to Radian

1 mil = 0.000981748 radians

Radian = Mil × 0.000981748

Example: 20 mil × 0.000981748 = 0.019635 rad

Reverse Conversion

To convert radians back to mils:

  • Remember, 1 radian equals 1018.59 mils.
  • To convert 0.019635 rad to mil, multiply 0.019635 x 1018.59, resulting in 20 mil.

20 mil is also equal to:

  • 1 18 degree
  • 1 14 gradian
  • 0.003125 turn
About these units

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.

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...

Frequently Asked Questions

How much is 20 mils in radians?

20 mils equals 0.019635 radians. This is calculated by multiplying 20 by the conversion factor 0.000981748.

What does 20 mils look like in radians?

20 mils equals 0.019635 radians, a conversion used in navigation, trigonometry, and engineering design.

How do you calculate 20 mils to radians?

Multiply 20 by the conversion factor 0.000981748. The calculation is 20 × 0.000981748 = 0.019635 radians. This factor is defined by international measurement standards.

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20 mils = 0.019635 radians
20 mils = 0.019635 radians — conversion chart

Nearby Conversions

10 mils0.009817 radians 30 mils0.02945 radians 40 mils0.03927 radians 50 mils0.04909 radians 60 mils0.0589 radians 70 mils0.06872 radians 80 mils0.07854 radians 90 mils0.08836 radians 100 mils0.09817 radians 110 mils0.108 radians 120 mils0.1178 radians

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

Also convert Mils to:

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