Unit Converter
Conversion formula
The conversion factor from miles to kilometers is 1.609344, which means that 1 mile is equal to 1.609344 kilometers:
1 mi = 1.609344 km
To convert 31 miles into kilometers we have to multiply 31 by the conversion factor in order to get the length amount from miles to kilometers. We can also form a simple proportion to calculate the result:
1 mi → 1.609344 km
31 mi → L(km)
Solve the above proportion to obtain the length L in kilometers:
L(km) = 31 mi × 1.609344 km
L(km) = 49.889664 km
The final result is:
31 mi → 49.889664 km
We conclude that 31 miles is equivalent to 49.889664 kilometers:
31 miles = 49.889664 kilometers
Alternative conversion
We can also convert by utilizing the inverse value of the conversion factor. In this case 1 kilometer is equal to 0.020044232007656 × 31 miles.
Another way is saying that 31 miles is equal to 1 ÷ 0.020044232007656 kilometers.
Approximate result
For practical purposes we can round our final result to an approximate numerical value. We can say that thirty-one miles is approximately forty-nine point eight nine kilometers:
31 mi ≅ 49.89 km
An alternative is also that one kilometer is approximately zero point zero two times thirty-one miles.
Conversion table
miles to kilometers chart
For quick reference purposes, below is the conversion table you can use to convert from miles to kilometers
miles (mi) | kilometers (km) |
---|---|
32 miles | 51.499 kilometers |
33 miles | 53.108 kilometers |
34 miles | 54.718 kilometers |
35 miles | 56.327 kilometers |
36 miles | 57.936 kilometers |
37 miles | 59.546 kilometers |
38 miles | 61.155 kilometers |
39 miles | 62.764 kilometers |
40 miles | 64.374 kilometers |
41 miles | 65.983 kilometers |