Convert nautical miles to light-years
1 nmi = 0.000000000000195756554461 ly — exactly. Both units are defined against the SI, so this factor is a fraction, not an approximation.
More converter tools
Readable results
Ranges, ± tolerances, feet/inches and clock durations work in the value field.
Unit picker
Export this result
Show this value in all 50 length units
- Gigameters Gm 0.000 001 852
- Megameters Mm 0.001 852
- Kilometers km 1.852
- Hectometers hm 18.52
- Decameters dam 185.2
- Meters m 1852
- Decimeters dm 18 520
- Centimeters cm 185 200
- Millimeters mm 1 852 000
- Micrometers µm 1 852 000 000
- Nanometers nm 1 852 000 000 000
- Picometers pm 1 852 000 000 000 000
- Femtometers fm 1.852e+18
- Inches in 72 913.385 826 8
- Feet ft 6076.115 485 56
- Yards yd 2025.371 828 52
- Miles mi 1.150 779 448 02
- Nautical miles nmi 1
- Thous thou 72 913 385.8268
- Hands hh 18 228.346 456 7
- Links li 9206.235 584 19
- Spans span 8101.487 314 09
- Cubits cubit 4050.743 657 04
- Ells ell 1620.297 462 82
- Fathoms ftm 1012.685 914 26
- Rods rd 368.249 423 368
- Chains ch 92.062 355 841 9
- Furlongs fur 9.206 235 584 19
- Leagues lea 0.383 593 149 341
- Barleycorns barleycorn 218 740.157 48
- US survey feet ft (US) 6076.103 333 33
- US survey miles mi (US) 1.150 777 146 46
- Ångströms Å 18 520 000 000 000
- Microns µ 1 852 000 000
- Bohr radiuss a₀ 34 997 727 851 800
- Planck lengths ℓₚ 1.14585879085e+38
- Astronomical units au 1.23798553504e-8
- Light-years ly 1.95756554461e-13
- Light-seconds ls 0.000 006 177 607 043 07
- Light-minutes lmin 0.000 000 102 960 117 384
- Parsecs pc 6.00192324405e-14
- Kiloparsecs kpc 6.00192324405e-17
- Megaparsecs Mpc 6.00192324405e-20
- Solar radiuss R☉ 0.000 002 662 066 982 89
- Earth radiuss R🜨 0.000 290 692 199 027
- Point (DTP)s pt 5 249 763.779 53
- Picas pc 437 480.314 961
- Scandinavian miles mil 0.1852
- Versts вер 1.736 032 995 88
- Lis 里 3.704
Every row is Nautical mile (nmi) converted through the meter, in exact rational arithmetic.
How to convert nautical miles to light-years
Multiply the number of nautical miles by 0.000000000000195756554461 to get light-years.
Nautical mile: Exactly 1852 m by international agreement — roughly one minute of latitude.
Light-year: Light travelling for one Julian year (365.25 days) in vacuum — exact, since both inputs are defined values.
Nautical mile to Light-year conversion table
| Nautical miles (nmi) | Light-years (ly) |
|---|---|
| 1 nmi | 1.9575655e-13 |
| 2 nmi | 3.9151311e-13 |
| 3 nmi | 5.8726966e-13 |
| 5 nmi | 9.7878277e-13 |
| 10 nmi | 1.9575655e-12 |
| 20 nmi | 3.9151311e-12 |
| 25 nmi | 4.8939139e-12 |
| 50 nmi | 9.7878277e-12 |
| 100 nmi | 1.9575655e-11 |
| 250 nmi | 4.8939139e-11 |
| 500 nmi | 9.7878277e-11 |
| 1000 nmi | 1.9575655e-10 |
Light-year to Nautical mile conversion table
| Light-years (ly) | Nautical miles (nmi) |
|---|---|
| 1 ly | 5 108 385 800 000 |
| 2 ly | 10 216 772 000 000 |
| 3 ly | 15 325 157 000 000 |
| 5 ly | 25 541 929 000 000 |
| 10 ly | 51 083 858 000 000 |
| 20 ly | 102 167 720 000 000 |
| 25 ly | 127 709 640 000 000 |
| 50 ly | 255 419 290 000 000 |
| 100 ly | 510 838 580 000 000 |
| 250 ly | 1 277 096 400 000 000 |
| 500 ly | 2 554 192 900 000 000 |
| 1000 ly | 5 108 385 800 000 000 |
Frequently asked
How many light-years are in a nautical mile?
One nautical mile equals 1.957565545e-13 light-years (nmi → ly). That figure is exact, not rounded.
How do you convert nautical miles to light-years?
Multiply the number of nautical miles by 0.000000000000195756554461 to get light-years.
What is 1 ly in nautical miles?
One light-year is 5108385784000 nautical miles.
What is 10 nmi in ly?
10 nmi = 1.9575655e-12 ly.
What exactly is a nautical mile?
Exactly 1852 m by international agreement — roughly one minute of latitude.
What exactly is a light-year?
Light travelling for one Julian year (365.25 days) in vacuum — exact, since both inputs are defined values.