Unit Converter
Conversion formula
The conversion factor from kilometers to meters is 1000, which means that 1 kilometer is equal to 1000 meters:
1 km = 1000 m
To convert 21 kilometers into meters we have to multiply 21 by the conversion factor in order to get the length amount from kilometers to meters. We can also form a simple proportion to calculate the result:
1 km → 1000 m
21 km → L(m)
Solve the above proportion to obtain the length L in meters:
L(m) = 21 km × 1000 m
L(m) = 21000 m
The final result is:
21 km → 21000 m
We conclude that 21 kilometers is equivalent to 21000 meters:
21 kilometers = 21000 meters
Alternative conversion
We can also convert by utilizing the inverse value of the conversion factor. In this case 1 meter is equal to 4.7619047619048E-5 × 21 kilometers.
Another way is saying that 21 kilometers is equal to 1 ÷ 4.7619047619048E-5 meters.
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 twenty-one thousand meters:
21 km ≅ 21000 m
An alternative is also that one meter is approximately zero times twenty-one kilometers.
Conversion table
kilometers to meters chart
For quick reference purposes, below is the conversion table you can use to convert from kilometers to meters
kilometers (km) | meters (m) |
---|---|
22 kilometers | 22000 meters |
23 kilometers | 23000 meters |
24 kilometers | 24000 meters |
25 kilometers | 25000 meters |
26 kilometers | 26000 meters |
27 kilometers | 27000 meters |
28 kilometers | 28000 meters |
29 kilometers | 29000 meters |
30 kilometers | 30000 meters |
31 kilometers | 31000 meters |