Unit Converter
Conversion formula
The conversion factor from kilometers to miles is 0.62137119223733, which means that 1 kilometer is equal to 0.62137119223733 miles:
1 km = 0.62137119223733 mi
To convert 21 kilometers into miles we have to multiply 21 by the conversion factor in order to get the length amount from kilometers to miles. We can also form a simple proportion to calculate the result:
1 km → 0.62137119223733 mi
21 km → L(mi)
Solve the above proportion to obtain the length L in miles:
L(mi) = 21 km × 0.62137119223733 mi
L(mi) = 13.048795036984 mi
The final result is:
21 km → 13.048795036984 mi
We conclude that 21 kilometers is equivalent to 13.048795036984 miles:
21 kilometers = 13.048795036984 miles
Alternative conversion
We can also convert by utilizing the inverse value of the conversion factor. In this case 1 mile is equal to 0.076635428571429 × 21 kilometers.
Another way is saying that 21 kilometers is equal to 1 ÷ 0.076635428571429 miles.
Approximate result
For practical purposes we can round our final result to an approximate numerical value. We can say that twenty-one kilometers is approximately thirteen point zero four nine miles:
21 km ≅ 13.049 mi
An alternative is also that one mile is approximately zero point zero seven seven times twenty-one kilometers.
Conversion table
kilometers to miles chart
For quick reference purposes, below is the conversion table you can use to convert from kilometers to miles
kilometers (km) | miles (mi) |
---|---|
22 kilometers | 13.67 miles |
23 kilometers | 14.292 miles |
24 kilometers | 14.913 miles |
25 kilometers | 15.534 miles |
26 kilometers | 16.156 miles |
27 kilometers | 16.777 miles |
28 kilometers | 17.398 miles |
29 kilometers | 18.02 miles |
30 kilometers | 18.641 miles |
31 kilometers | 19.263 miles |