80 kilometers to miles
49.71 mi
80 km = 49.71 mi.
miles
49.71mi
80 km = 49.71 mi
The short answer
How many miles is 80 kilometers?
80 km = 49.71 mi. 1 kilometer = 0.621371 miles, so the working is 80 × 0.621371 = 49.71.
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 80 × 0.621371 = 49.71
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 | 50 | +0.29030 |
| 1 decimal | 49.7 | −0.00970 |
| 2 decimals | 49.71 | +0.00030 |
Round trip: take 49.71 mi back the other way and you land on 80.0005 km — a drift of 0.0005 km. That gap is the rounding, not the conversion.
What 80 km looks like
82 km
The Panama Canal carries ships 82 km between the Atlantic and the Pacific.
Frequently asked questions
What is 80 kilometers in miles?
80 kilometers is 49.71 miles. 1 kilometer = 0.621371 miles, so the working is 80 × 0.621371 = 49.71.
How accurate is 49.71 mi?
Rounding to 49.71 mi and converting straight back gives 80.0005 km, a drift of 0.0005 km from the 80 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
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