21 miles to km

To convert miles to kilometers, you can use the following conversion factor: 1 mile = 1.60934 kilometers.

To convert 21 miles to kilometers, you can use the following steps:

Step 1: Write down the given value in miles.
21 miles

Step 2: Multiply the given value by the conversion factor.
21 miles * 1.60934 kilometers/mile = 33.79614 kilometers

So, 21 miles is equal to 33.79614 kilometers.