Mils to Nautical Miles (mil to nmi) Converter

How to convert mils to nautical miles

Formulanmi = mil × 1.371490281×10⁻⁸

Multiply the value in mils by 1.371490281×10⁻⁸. To go the other way, multiply by 72,913,385.83 (or divide by 1.371490281×10⁻⁸).

A mil is smaller than a nautical mile: it takes 72,913,385.83 mils to make one nautical mile.

Worked examples

1 mil (thou)1 mil × 1.371490281×10⁻⁸ = 1.371490281×10⁻⁸ nmi
5 mils5 mil × 1.371490281×10⁻⁸ = 6.857451404×10⁻⁸ nmi
10 mils10 mil × 1.371490281×10⁻⁸ = 1.371490281×10⁻⁷ nmi
20 mils20 mil × 1.371490281×10⁻⁸ = 2.742980562×10⁻⁷ nmi
100 mils100 mil × 1.371490281×10⁻⁸ = 0.000001371490281 nmi

Mils to nautical miles conversion table

Values are calculated by the conversion engine and rounded to 8 significant figures.

Mils to nautical miles: 0.1–10 mil
Mils (mil)	Nautical miles (nmi)
0.1 mil	1.3714903×10⁻⁹ nmi
0.25 mil	3.4287257×10⁻⁹ nmi
0.5 mil	6.8574514×10⁻⁹ nmi
1 mil	1.3714903×10⁻⁸ nmi
2 mil	2.7429806×10⁻⁸ nmi
3 mil	4.1144708×10⁻⁸ nmi
4 mil	5.4859611×10⁻⁸ nmi
5 mil	6.8574514×10⁻⁸ nmi
6 mil	8.2289417×10⁻⁸ nmi
7 mil	9.600432×10⁻⁸ nmi
8 mil	1.0971922×10⁻⁷ nmi
9 mil	1.2343413×10⁻⁷ nmi
10 mil	1.3714903×10⁻⁷ nmi

Mils to nautical miles: 12–1,000 mil
Mils (mil)	Nautical miles (nmi)
12 mil	1.6457883×10⁻⁷ nmi
15 mil	2.0572354×10⁻⁷ nmi
20 mil	2.7429806×10⁻⁷ nmi
25 mil	3.4287257×10⁻⁷ nmi
30 mil	4.1144708×10⁻⁷ nmi
40 mil	5.4859611×10⁻⁷ nmi
50 mil	6.8574514×10⁻⁷ nmi
75 mil	0.0000010286177 nmi
100 mil	0.0000013714903 nmi
250 mil	0.0000034287257 nmi
500 mil	0.0000068574514 nmi
1,000 mil	0.000013714903 nmi

About the units

Mil (mil)

One thousandth of an inch (0.0254 mm). Used for plastic-film and coating thickness and machining tolerances. One mil equals 0.0000254 meters (m).

Nautical mile (nmi)

Exactly 1,852 m, originally one minute of latitude. Nautical miles are used in aviation and at sea, together with the knot (one nautical mile per hour).

Frequently asked questions

How many nautical miles are in one mil?

There are 1.371490281×10⁻⁸ nautical miles in one mil, and this value is exact by definition.

How do I convert mils to nautical miles?

Multiply the number of mils by 1.371490281×10⁻⁸. For example, 10 mil × 1.371490281×10⁻⁸ = 1.371490281×10⁻⁷ nmi.

How many mils are in one nautical mile?

One nautical mile equals 72,913,385.83 mils. That is the reverse factor, 1 ÷ 1.371490281×10⁻⁸.

What is 10 mils in nautical miles?

10 mil = 1.371490281×10⁻⁷ nmi.

Is this mil to nmi converter accurate?

Yes. Both units are defined exactly in terms of SI units, so the conversion factor is exact; results are shown to 12 significant figures by default and you can change precision in the converter. Calculations run in your browser using the same tested engine that generated this page.

Mils to Nautical Miles Converter