Unit Converter
Conversion formula
The conversion factor from centimeters to kilometers is 1.0E-5, which means that 1 centimeter is equal to 1.0E-5 kilometers:
1 cm = 1.0E-5 km
To convert 721 centimeters into kilometers we have to multiply 721 by the conversion factor in order to get the length amount from centimeters to kilometers. We can also form a simple proportion to calculate the result:
1 cm → 1.0E-5 km
721 cm → L(km)
Solve the above proportion to obtain the length L in kilometers:
L(km) = 721 cm × 1.0E-5 km
L(km) = 0.00721 km
The final result is:
721 cm → 0.00721 km
We conclude that 721 centimeters is equivalent to 0.00721 kilometers:
721 centimeters = 0.00721 kilometers
Alternative conversion
We can also convert by utilizing the inverse value of the conversion factor. In this case 1 kilometer is equal to 138.69625520111 × 721 centimeters.
Another way is saying that 721 centimeters is equal to 1 ÷ 138.69625520111 kilometers.
Approximate result
For practical purposes we can round our final result to an approximate numerical value. We can say that seven hundred twenty-one centimeters is approximately zero point zero zero seven kilometers:
721 cm ≅ 0.007 km
An alternative is also that one kilometer is approximately one hundred thirty-eight point six nine six times seven hundred twenty-one centimeters.
Conversion table
centimeters to kilometers chart
For quick reference purposes, below is the conversion table you can use to convert from centimeters to kilometers
centimeters (cm) | kilometers (km) |
---|---|
722 centimeters | 0.007 kilometers |
723 centimeters | 0.007 kilometers |
724 centimeters | 0.007 kilometers |
725 centimeters | 0.007 kilometers |
726 centimeters | 0.007 kilometers |
727 centimeters | 0.007 kilometers |
728 centimeters | 0.007 kilometers |
729 centimeters | 0.007 kilometers |
730 centimeters | 0.007 kilometers |
731 centimeters | 0.007 kilometers |