Convert astronomical units to nautical miles
1 au = 80776388.067 nmi — exactly. Both units are defined against the SI, so this factor is a fraction, not an approximation.
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Show this value in all 50 length units
- Gigameters Gm 149.597 870 7
- Megameters Mm 149 597.8707
- Kilometers km 149 597 870.7
- Hectometers hm 1 495 978 707
- Decameters dam 14 959 787 070
- Meters m 149 597 870 700
- Decimeters dm 1 495 978 707 000
- Centimeters cm 14 959 787 070 000
- Millimeters mm 149 597 870 700 000
- Micrometers µm 1.495978707e+17
- Nanometers nm 1.495978707e+20
- Picometers pm 1.495978707e+23
- Femtometers fm 1.495978707e+26
- Inches in 5 889 679 948 820
- Feet ft 490 806 662 402
- Yards yd 163 602 220 801
- Miles mi 92 955 807.273
- Nautical miles nmi 80 776 388.067
- Thous thou 5 889 679 948 820 000
- Hands hh 1 472 419 987 200
- Links li 743 646 458 184
- Spans span 654 408 883 202
- Cubits cubit 327 204 441 601
- Ells ell 130 881 776 640
- Fathoms ftm 81 801 110 400.3
- Rods rd 29 745 858 327.4
- Chains ch 7 436 464 581.84
- Furlongs fur 743 646 458.184
- Leagues lea 30 985 269.091
- Barleycorns barleycorn 17 669 039 846 500
- US survey feet ft (US) 490 805 680 788
- US survey miles mi (US) 92 955 621.3614
- Ångströms Å 1.495978707e+21
- Microns µ 1.495978707e+17
- Bohr radiuss a₀ 2.82699004642e+21
- Planck lengths ℓₚ 9.25583343594e+45
- Astronomical units au 1
- Light-years ly 0.000 015 812 507 409 8
- Light-seconds ls 499.004 783 836
- Light-minutes lmin 8.316 746 397 27
- Parsecs pc 0.000 004 848 136 811 1
- Kiloparsecs kpc 4.8481368111e-9
- Megaparsecs Mpc 4.8481368111e-12
- Solar radiuss R☉ 215.032 155 671
- Earth radiuss R🜨 23 481.065 876 6
- Point (DTP)s pt 424 056 956 315 000
- Picas pc 35 338 079 692 900
- Scandinavian miles mil 14 959 787.07
- Versts вер 140 230 474.972
- Lis 里 299 195 741.4
Every row is Astronomical unit (au) converted through the meter, in exact rational arithmetic.
How to convert astronomical units to nautical miles
Multiply the number of astronomical units by 80776388.067 to get nautical miles.
Astronomical unit: Fixed at exactly 149 597 870 700 m by the IAU in 2012.
Nautical mile: Exactly 1852 m by international agreement — roughly one minute of latitude.
Astronomical unit to Nautical mile conversion table
| Astronomical units (au) | Nautical miles (nmi) |
|---|---|
| 1 au | 80 776 388 |
| 2 au | 161 552 780 |
| 3 au | 242 329 160 |
| 5 au | 403 881 940 |
| 10 au | 807 763 880 |
| 20 au | 1 615 527 800 |
| 25 au | 2 019 409 700 |
| 50 au | 4 038 819 400 |
| 100 au | 8 077 638 800 |
| 250 au | 20 194 097 000 |
| 500 au | 40 388 194 000 |
| 1000 au | 80 776 388 000 |
Nautical mile to Astronomical unit conversion table
| Nautical miles (nmi) | Astronomical units (au) |
|---|---|
| 1 nmi | 1.2379855e-8 |
| 2 nmi | 2.4759711e-8 |
| 3 nmi | 3.7139566e-8 |
| 5 nmi | 6.1899277e-8 |
| 10 nmi | 0.000 000 123 798 55 |
| 20 nmi | 0.000 000 247 597 11 |
| 25 nmi | 0.000 000 309 496 38 |
| 50 nmi | 0.000 000 618 992 77 |
| 100 nmi | 0.000 001 237 985 5 |
| 250 nmi | 0.000 003 094 963 8 |
| 500 nmi | 0.000 006 189 927 7 |
| 1000 nmi | 0.000 012 379 855 |
Frequently asked
How many nautical miles are in a astronomical unit?
One astronomical unit equals 80776388.07 nautical miles (au → nmi). That figure is exact, not rounded.
How do you convert astronomical units to nautical miles?
Multiply the number of astronomical units by 80776388.067 to get nautical miles.
What is 1 nmi in astronomical units?
One nautical mile is 1.237985535e-8 astronomical units.
What is 10 au in nmi?
10 au = 807 763 880 nmi.
What exactly is a astronomical unit?
Fixed at exactly 149 597 870 700 m by the IAU in 2012.
What exactly is a nautical mile?
Exactly 1852 m by international agreement — roughly one minute of latitude.