mil to ° Converter

Convert Mil to Degree instantly.

Free online converter with accurate results and clear explanations.

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How This Tool Works

This converter uses the standard NATO mil convention where a full circle is divided into 6,400 mils. Since one full circle is 360°, 1 mil equals 0.05625°.

To convert mils to degrees, multiply the mil value by 360 / 6400, or 0.05625. To convert degrees back to mils, divide the degree value by 0.05625.

For example, 1,600 mils equals 90°, 3,200 mils equals 180°, and 6,400 mils equals 360°.

Why This Matters

Mils and degrees use different circle divisions, so treating the values as equal creates large bearing and elevation errors. Accurate conversion is useful when comparing military, surveying, navigation, mapping, and targeting references with standard degree measurements.

  • Navigation and mapping: Convert mil bearings into degree-based compass or GIS values.
  • Surveying and field notes: Keep angular references consistent across tools.
  • Sanity checks: Remember that a right angle is 1,600 mils, not 90 mils.

Common Mistakes to Avoid

  • Do not use a 1:1 conversion: 1 mil is 0.05625°, not 1°.
  • Do not mix mil systems: NATO mils use 6,400 per circle, while USSR mils use 6,000 per circle.
  • Check full-circle values: 6,400 mils should equal 360°.

Frequently Asked Questions

Common questions about the mil to ° Converter

Divide by 17.778 (NATO standard). For example, 100 mils ≈ 5.625°.
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Sources & References

International System of Units (SI): plane angle

Plane angle is measured in the radian (rad); 1° = π/180 rad. Conversions between SI and other units use exact, internationally agreed factors maintained by NIST.
→Source: NIST — International System of Units (SI)

International System of Units (SI)

Authoritative definitions for plane angle, from the BIPM SI Brochure (9th edition), the defining reference for the SI.
→Source: BIPM — SI Brochure (9th ed.)

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