5 miles to kilometers
8.05 km
5 mi = 8.05 km.
kilometers
8.05km
5 mi = 8.05 km
The short answer
How many kilometers is 5 miles?
5 mi = 8.05 km. 1 mile = 1.609344 kilometers, so the working is 5 × 1.609344 = 8.05.
The working
The factor below is an exact definition rather than a measurement, so nothing is approximated in the arithmetic. The only rounding on this page happens where a number is displayed.
1 mile = 1.609344 kilometers 5 × 1.609344 = 8.05
How much precision do you need?
Each row is the same answer cut at a different number of decimals, with what that choice costs you. Pick the shortest row whose error is smaller than whatever you are measuring with.
| Rounded to | Answer (km) | Off by |
|---|---|---|
| Whole number | 8 | −0.04672 |
| 1 decimal | 8.0 | −0.04672 |
| 2 decimals | 8.05 | +0.00328 |
Round trip: take 8.05 km back the other way and you land on 5.0020 mi — a drift of 0.0020 mi. That gap is the rounding, not the conversion.
What 5 mi looks like
6 mi
The 10 km road race, a fixture of the running calendar, works out at 6.2 miles.
Frequently asked questions
What is 5 miles in kilometers?
5 miles is 8.05 kilometers. 1 mile = 1.609344 kilometers, so the working is 5 × 1.609344 = 8.05.
How accurate is 8.05 km?
Rounding to 8.05 km and converting straight back gives 5.0020 mi, a drift of 0.0020 mi from the 5 you started with. The factor itself is exact; every bit of that difference comes from the rounding, not the conversion.
Nearby values
Any value at all
Miles to Km Converter
Convert miles to kilometers — marathons, road trips abroad, and run logs.
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