5 kilometers to miles
3.11 mi
5 km = 3.11 mi.
miles
3.11mi
5 km = 3.11 mi
The short answer
How many miles is 5 kilometers?
5 km = 3.11 mi. 1 kilometer = 0.621371 miles, so the working is 5 × 0.621371 = 3.11.
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 kilometer = 0.621371 miles 5 × 0.621371 = 3.11
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 (mi) | Off by |
|---|---|---|
| Whole number | 3 | −0.10686 |
| 1 decimal | 3.1 | −0.00686 |
| 2 decimals | 3.11 | +0.00314 |
Round trip: take 3.11 mi back the other way and you land on 5.0051 km — a drift of 0.0051 km. That gap is the rounding, not the conversion.
What 5 km looks like
5 km
A parkrun is 5 km, the same distance at every event, every Saturday morning.
Frequently asked questions
What is 5 kilometers in miles?
5 kilometers is 3.11 miles. 1 kilometer = 0.621371 miles, so the working is 5 × 0.621371 = 3.11.
How accurate is 3.11 mi?
Rounding to 3.11 mi and converting straight back gives 5.0051 km, a drift of 0.0051 km 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
Km to Miles Converter
Convert kilometers to miles — race distances, road signs, and trip odometers.
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