Convert miles to kilometers
1 mi = 1.609344 km — exactly. Both units are defined against the SI, so this factor is a fraction, not an approximation.
1.609 344km
As a fraction: 25146/15625
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1 mi = 1.609344 km
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 kilometers
Multiply the number of miles by 1.609344 to get kilometers.
The exact factor is 1.609344 — as a fraction, 25146/15625.
Mile: The statute mile: 5280 international feet, exactly 1609.344 m.
Mile to Kilometer conversion table
| Miles (mi) | Kilometers (km) |
|---|---|
| 1 mi | 1.609 344 |
| 2 mi | 3.218 688 |
| 3 mi | 4.828 032 |
| 5 mi | 8.046 72 |
| 10 mi | 16.093 44 |
| 20 mi | 32.186 88 |
| 25 mi | 40.2336 |
| 50 mi | 80.4672 |
| 100 mi | 160.9344 |
| 250 mi | 402.336 |
| 500 mi | 804.672 |
| 1000 mi | 1609.344 |
Kilometer to Mile conversion table
| Kilometers (km) | Miles (mi) |
|---|---|
| 1 km | 0.621 371 19 |
| 2 km | 1.242 742 4 |
| 3 km | 1.864 113 6 |
| 5 km | 3.106 856 |
| 10 km | 6.213 711 9 |
| 20 km | 12.427 424 |
| 25 km | 15.534 28 |
| 50 km | 31.068 56 |
| 100 km | 62.137 119 |
| 250 km | 155.3428 |
| 500 km | 310.6856 |
| 1000 km | 621.371 19 |
Frequently asked
How many kilometers are in a mile?
One mile equals 1.609344 kilometers (mi → km). That figure is exact, not rounded.
How do you convert miles to kilometers?
Multiply the number of miles by 1.609344 to get kilometers.
What is 1 km in miles?
One kilometer is 0.6213711922 miles.
What is 10 mi in km?
10 mi = 16.093 44 km.
What exactly is a mile?
The statute mile: 5280 international feet, exactly 1609.344 m.