How do you convert miles to kilometers?

To convert miles to kilometers, multiply by 1.609344. For example, 31 mi is 49.889664 km.

How many kilometers are in a mile?

There are 1.609344 kilometers in one mile.

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Converters · Length

31 Miles to Kilometers

31 mi =

49.889664 km

31 miles equals 49.889664 kilometers

How to convert miles to kilometers

To get kilometers, multiply by 1.609344.

km = mi × 1.609344

Worked example: 31 × 1.609344 = 49.889664 km.

Going the other way, multiply by 0.6213711922 — one kilometer is 0.6213711922 miles.

Values near 31 mi

Mile	Kilometer
15.5 mi	24.944832 km
29 mi	46.670976 km
30 mi	48.28032 km
32 mi	51.499008 km
33 mi	53.108352 km
62 mi	99.779328 km

Mile to Kilometer — common values

Mile	Kilometer
1 mi	1.609344 km
2 mi	3.218688 km
3 mi	4.828032 km
5 mi	8.04672 km
10 mi	16.09344 km
25 mi	40.2336 km
50 mi	80.4672 km
100 mi	160.9344 km

Convert Mile to other units

mi → m mi → km mi → cm mi → mm mi → yd mi → ft mi → in mi → nmi

← Reverse: Kilometer to Mile

Questions

How do you convert miles to kilometers?: To convert miles to kilometers, multiply by 1.609344. For example, 31 mi is 49.889664 km.
How many kilometers are in a mile?: There are 1.609344 kilometers in one mile.
How do you convert kilometers back to miles?: Go the other way: multiply by 0.6213711922. One kilometer is 0.6213711922 miles.

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