**Definitions:**

**Mile** (abbreviation: **mi**): is an English unit of length of distance equal to 5,280 feet, or 1,760 yards, and standardised as exactly 1,609.344 metres by international agreement in 1959.

**Kilometer** (abbreviation: **km**): is a unit of length in the SI metric system, equal to one thousand metres (kilo- being the prefix for 1000). It is now the measurement unit used officially for expressing distances between geographical places on land in most of the world countries.

## How to Convert Miles to Kilometers

*Example: How many kilometers are equivalent to 91.53 miles?*

As;

1 miles = 1.609344 kilometers

91.53 miles = Y kilometers

Assuming Y is the answer, and by criss-cross principle;

Y equals 91.53 times 1.609344 over 1

(i.e.) Y = 91.53 * 1.609344 / 1 = 147.30325632 kilometers

Answer is: 147.30325632 kilometers are equivalent to 91.53 miles.

*Practice Question: Convert the following units into km:*

N.B.: After working out the answer to each of the next questions, click adjacent button to see the correct answer.

( i ) 36.01 mi

( ii ) 35.9 mi

( iii ) 71.94 mi