Sumwise

Miles to kilometers

kilometers = miles × 1.609344

Reverse: kilometers to miles

How to convert miles to kilometers

One mile is 1.609344 kilometers, so multiply the number of miles by 1.609344. For example, 20 miles is 20 × 1.609344 = 32.18688 kilometers. To go back, divide by the same number, or multiply by 0.62137119.

Quick estimate

Multiplying by about 1.6 gets within 0.6% of the exact answer, which is enough to check that a result makes sense.

Where it comes up

Length conversions come up in DIY and building plans, running and cycling distances, maps, clothing sizes and travel between countries that use metric and imperial units.

mileskilometers
1 mi1.609344 km
2 mi3.218688 km
3 mi4.828032 km
4 mi6.437376 km
5 mi8.04672 km
6 mi9.656064 km
7 mi11.265408 km
8 mi12.874752 km
9 mi14.484096 km
10 mi16.09344 km
11 mi17.702784 km
12 mi19.312128 km
13 mi20.921472 km
14 mi22.530816 km
15 mi24.14016 km
16 mi25.749504 km
17 mi27.358848 km
18 mi28.968192 km
19 mi30.577536 km
20 mi32.18688 km
25 mi40.2336 km
30 mi48.28032 km
40 mi64.37376 km
50 mi80.4672 km
60 mi96.56064 km
70 mi112.65408 km
75 mi120.7008 km
80 mi128.74752 km
90 mi144.84096 km
100 mi160.9344 km
120 mi193.12128 km
150 mi241.4016 km
200 mi321.8688 km
250 mi402.336 km
300 mi482.8032 km
400 mi643.7376 km
500 mi804.672 km
750 mi1,207.01 km
1,000 mi1,609.34 km
1,500 mi2,414.02 km
2,000 mi3,218.69 km
5,000 mi8,046.72 km
10,000 mi16,093.44 km

Questions

How many kilometers are in a mile?

1.609344 kilometers.

How do I convert miles to kilometers in a spreadsheet?

Put the value in A1 and type =A1*1.609344, then fill the formula down the column.

Are the values in the table exact?

They are calculated from the exact definitions of the units and rounded only for display. Open any row for the full working.