Convert Light Years to Nautical Miles

Q: How many nautical miles are in a light year?

There are 5,108,385,784,331 nautical miles in one light year.

Q: How many light years are in a nautical mile?

There are 1.957566e-13 light years in one nautical mile.

1 light year = 5,108,385,784,331 nautical miles. Type any value below to convert in either direction — the calculation happens in your browser.

light years

nautical miles

Light Years to Nautical Miles formula

Multiply the number of light years by 5108385784331 to get nautical miles.

nautical miles = light years × 5108385784331

To go the other way: divide the number of nautical miles by 5108385784331, or multiply by 1.957566e-13.

light years = nautical miles ÷ 5108385784331

Light Years to Nautical Miles conversion table

Light Years	Nautical Miles
1 ly	5,108,385,784,331 nmi
2 ly	10,216,771,568,662 nmi
3 ly	15,325,157,352,993 nmi
4 ly	20,433,543,137,324 nmi
5 ly	25,541,928,921,654 nmi
6 ly	30,650,314,705,985 nmi
7 ly	35,758,700,490,316 nmi
8 ly	40,867,086,274,647 nmi
9 ly	45,975,472,058,978 nmi
10 ly	51,083,857,843,309 nmi
15 ly	76,625,786,764,963 nmi
20 ly	102,167,715,686,618 nmi
25 ly	127,709,644,608,272 nmi
30 ly	153,251,573,529,927 nmi
40 ly	204,335,431,373,235 nmi
50 ly	255,419,289,216,544 nmi
75 ly	383,128,933,824,816 nmi
100 ly	510,838,578,433,089 nmi
250 ly	1.277096e+15 nmi
500 ly	2.554193e+15 nmi
1,000 ly	5.108386e+15 nmi

Nautical Miles to Light Years conversion table

Nautical Miles	Light Years
1 nmi	1.957566e-13 ly
2 nmi	3.915131e-13 ly
3 nmi	5.872697e-13 ly
4 nmi	7.830262e-13 ly
5 nmi	9.787828e-13 ly
6 nmi	1.174539e-12 ly
7 nmi	1.370296e-12 ly
8 nmi	1.566052e-12 ly
9 nmi	1.761809e-12 ly
10 nmi	1.957566e-12 ly

About the light year

A light year is the distance light travels in one Julian year, about 9.46 trillion kilometres.

About the nautical mile

A nautical mile is exactly 1,852 metres — one minute of latitude — and is the distance unit of sea and air navigation.

Frequently asked questions

How many nautical miles are in a light year?

There are 5,108,385,784,331 nautical miles in one light year.

How many light years are in a nautical mile?

There are 1.957566e-13 light years in one nautical mile.

Is this conversion exact?

The ratio between the light year and the nautical mile is fixed by definition, so the conversion is exact — the figures shown here are rounded for readability only.

What is 10 light years in nautical miles?

10 light years equals 51,083,857,843,309 nautical miles.

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