Convert miles to astronomical units
1 mi = 0.0000000107578001777 au — 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 0.000 001 609 344
- Megameters Mm 0.001 609 344
- Kilometers km 1.609 344
- Hectometers hm 16.093 44
- Decameters dam 160.9344
- Meters m 1609.344
- Decimeters dm 16 093.44
- Centimeters cm 160 934.4
- Millimeters mm 1 609 344
- Micrometers µm 1 609 344 000
- Nanometers nm 1 609 344 000 000
- Picometers pm 1 609 344 000 000 000
- Femtometers fm 1.609344e+18
- Inches in 63 360
- Feet ft 5280
- Yards yd 1760
- Miles mi 1
- Nautical miles nmi 0.868 976 241 901
- Thous thou 63 360 000
- Hands hh 15 840
- Links li 8000
- Spans span 7040
- Cubits cubit 3520
- Ells ell 1408
- Fathoms ftm 880
- Rods rd 320
- Chains ch 80
- Furlongs fur 8
- Leagues lea 0.333 333 333 333
- Barleycorns barleycorn 190 080
- US survey feet ft (US) 5279.989 44
- US survey miles mi (US) 0.999 998
- Ångströms Å 16 093 440 000 000
- Microns µ 1 609 344 000
- Bohr radiuss a₀ 30 412 194 023 700
- Planck lengths ℓₚ 9.95724065819e+37
- Astronomical units au 1.07578001777e-8
- Light-years ly 1.70107795023e-13
- Light-seconds ls 0.000 005 368 193 752 23
- Light-minutes lmin 8.94698958704e-8
- Parsecs pc 5.21552870479e-14
- Kiloparsecs kpc 5.21552870479e-17
- Megaparsecs Mpc 5.21552870479e-20
- Solar radiuss R☉ 0.000 002 313 272 962 48
- Earth radiuss R🜨 0.000 252 604 614 66
- Point (DTP)s pt 4 561 920
- Picas pc 380 160
- Scandinavian miles mil 0.160 934 4
- Versts вер 1.508 571 428 57
- Lis 里 3.218 688
Every row is Mile (mi) converted through the meter, in exact rational arithmetic.
How to convert miles to astronomical units
Multiply the number of miles by 0.0000000107578001777 to get astronomical units.
Mile: The statute mile: 5280 international feet, exactly 1609.344 m.
Astronomical unit: Fixed at exactly 149 597 870 700 m by the IAU in 2012.
Mile to Astronomical unit conversion table
| Miles (mi) | Astronomical units (au) |
|---|---|
| 1 mi | 1.07578e-8 |
| 2 mi | 2.15156e-8 |
| 3 mi | 3.2273401e-8 |
| 5 mi | 5.3789001e-8 |
| 10 mi | 0.000 000 107 578 |
| 20 mi | 0.000 000 215 156 |
| 25 mi | 0.000 000 268 945 |
| 50 mi | 0.000 000 537 890 01 |
| 100 mi | 0.000 001 075 78 |
| 250 mi | 0.000 002 689 45 |
| 500 mi | 0.000 005 378 900 1 |
| 1000 mi | 0.000 010 757 8 |
Astronomical unit to Mile conversion table
| Astronomical units (au) | Miles (mi) |
|---|---|
| 1 au | 92 955 807 |
| 2 au | 185 911 610 |
| 3 au | 278 867 420 |
| 5 au | 464 779 040 |
| 10 au | 929 558 070 |
| 20 au | 1 859 116 100 |
| 25 au | 2 323 895 200 |
| 50 au | 4 647 790 400 |
| 100 au | 9 295 580 700 |
| 250 au | 23 238 952 000 |
| 500 au | 46 477 904 000 |
| 1000 au | 92 955 807 000 |
Frequently asked
How many astronomical units are in a mile?
One mile equals 1.075780018e-8 astronomical units (mi → au). That figure is exact, not rounded.
How do you convert miles to astronomical units?
Multiply the number of miles by 0.0000000107578001777 to get astronomical units.
What is 1 au in miles?
One astronomical unit is 92955807.27 miles.
What is 10 mi in au?
10 mi = 0.000 000 107 578 au.
What exactly is a mile?
The statute mile: 5280 international feet, exactly 1609.344 m.
What exactly is a astronomical unit?
Fixed at exactly 149 597 870 700 m by the IAU in 2012.