21 miles in km
Understand the Problem
The question is asking to convert a distance of 21 miles into kilometers. To do this, we will use the conversion factor where 1 mile is approximately equal to 1.60934 kilometers.
Answer
33.79614 kilometers
Answer for screen readers
The final answer is 33.79614 kilometers.
Steps to Solve
- Identify the conversion factor
We know that 1 mile is approximately equal to 1.60934 kilometers.
- Set up the conversion
To convert 21 miles to kilometers, we multiply the number of miles by the conversion factor.
$$ 21 ext{ miles} imes 1.60934 rac{ ext{km}}{ ext{mile}} $$
- Perform the multiplication
Calculate the multiplication to convert miles to kilometers.
$$ 21 imes 1.60934 = 33.79614 ext{ kilometers} $$
The final answer is 33.79614 kilometers.
More Information
Kilometers and miles are both units of distance; kilometers are used primarily in the metric system while miles are used in the imperial system.
Tips
A common mistake is to use the wrong conversion factor. Ensure 1 mile = 1.60934 kilometers.
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