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Convert Nautical Mile to Astronomical Unit

1 nautical mile = 1.2379855e-8 astronomical units (nmi to AU).

The nautical mile (nmi) and the astronomical unit (AU) both measure length. A nautical mile is smaller than a astronomical unit — it takes 80,776,400 of them to make a single astronomical unit. Going the other way, one astronomical unit is 80,776,400 nautical miles. The converter above does this in real time, and the reference chart lists the values that come up most often.

1.2379855e-8

1 nmi = 1.2379855e-8 AU

How to convert Nautical Miles to Astronomical Units

Multiply the nautical mile value by 1.23799e-8 to get astronomical units.

Example: 10 nautical miles = 1.23799e-7 astronomical units.

Nautical Mile to Astronomical Unit Conversion Chart

Nautical MilesAstronomical Units
1 nmi1.2379855e-8 AU
2 nmi2.4759711e-8 AU
3 nmi3.7139566e-8 AU
5 nmi6.1899277e-8 AU
10 nmi1.2379855e-7 AU
20 nmi2.4759711e-7 AU
25 nmi3.0949638e-7 AU
50 nmi6.1899277e-7 AU
100 nmi0.0000012379855 AU
1000 nmi0.000012379855 AU

Frequently Asked Questions

How many astronomical units are in a nautical mile?
There are 1.2379855e-8 astronomical units in 1 nautical mile.
How do you convert nautical miles to astronomical units?
Multiply the nautical mile value by 1.23799e-8 to get astronomical units.
What is 5 nautical miles in astronomical units?
5 nautical miles equals 6.1899277e-8 astronomical units.
What is 100 nautical miles in astronomical units?
100 nautical miles equals 0.0000012379855 astronomical units.
What is 1 astronomical unit in nautical miles?
1 astronomical unit equals 80,776,388 nautical miles.
Is this nautical mile to astronomical unit converter free?
Yes. The converter is free, needs no sign-up, and runs entirely in your browser — the values you enter never leave your device.

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