Skip to content
RK Calculator
Menu

Mils to Seconds of Arc Converter

Convert mils (NATO, 6,400 per turn) (mil) to seconds of arc (″), with the formula, a conversion table and exact factors.

Change the values and press Calculate to work out your own figures.

Enter an angle, choose its unit and the unit you want. The answer is exact until it is shown, and the same value appears in every other unit.

About valueA number, fraction (3/8), mixed number (1 1/2), scientific notation (2.5e6) or a simple sum such as 2*3.
About toThe unit you want the answer in. Swap exchanges the two units.
Result
Result
202.5 ″
radians
0.000981747704247 rad
milliradians
0.981747704247 mrad
degrees
0.05625 °
minutes of arc
3.375 ′
gradians (gons)
0.0625 gon
revolutions (turns)
0.00015625 rev

1 mil = 202.5 ″

Show the working
  1. 1 mil = 202.5 ″
  2. 1 × 202.5 = 202.5 ″

How to convert mils to seconds of arc

1 mil = 202.5 ″, so multiply by 202.5 to go from mils (NATO, 6,400 per turn) to seconds of arc. Going the other way, 1 ″ = 0.00493827160494 mil.

″ = mil × 202.5
mil = ″ × 0.00493827160494

Worked example:

1 mil = 202.5 ″
5 × 202.5 = 1012.5 ″

Mils to seconds of arc table

MilsSeconds of Arc
1 mil202.5 ″
2 mil405 ″
3 mil607.5 ″
4 mil810 ″
5 mil1,012.5 ″
6 mil1,215 ″
7 mil1,417.5 ″
8 mil1,620 ″
9 mil1,822.5 ″
10 mil2,025 ″
15 mil3,037.5 ″
20 mil4,050 ″
25 mil5,062.5 ″
30 mil6,075 ″
40 mil8,100 ″
50 mil10,125 ″
75 mil15,187.5 ″
100 mil20,250 ″
250 mil50,625 ″
500 mil101,250 ″
1000 mil202,500 ″

About the units

Mils (mil)
Mils (NATO, 6,400 per turn), a specialised unit. Involves π, which no fraction equals exactly; this converter uses π to 50 significant digits, far beyond the 12 digits shown. Other armies use 6,000 or 6,300 mils per turn. Definition: NATO angular mil: 6,400 mils per revolution (STANAG 2261).
Seconds of Arc (″)
Seconds of arc, a metric unit. Involves π, which no fraction equals exactly; this converter uses π to 50 significant digits, far beyond the 12 digits shown. Definition: BIPM SI Brochure, 9th edition (SI units, prefixes and units accepted for use with the SI).

Formula version 0.1.0Reviewed