Unit Converter
Conversion formula
The conversion factor from feet to kilometers is 0.0003048, which means that 1 foot is equal to 0.0003048 kilometers:
1 ft = 0.0003048 km
To convert 420 feet into kilometers we have to multiply 420 by the conversion factor in order to get the length amount from feet to kilometers. We can also form a simple proportion to calculate the result:
1 ft → 0.0003048 km
420 ft → L(km)
Solve the above proportion to obtain the length L in kilometers:
L(km) = 420 ft × 0.0003048 km
L(km) = 0.128016 km
The final result is:
420 ft → 0.128016 km
We conclude that 420 feet is equivalent to 0.128016 kilometers:
420 feet = 0.128016 kilometers
Alternative conversion
We can also convert by utilizing the inverse value of the conversion factor. In this case 1 kilometer is equal to 7.8115235595551 × 420 feet.
Another way is saying that 420 feet is equal to 1 ÷ 7.8115235595551 kilometers.
Approximate result
For practical purposes we can round our final result to an approximate numerical value. We can say that four hundred twenty feet is approximately zero point one two eight kilometers:
420 ft ≅ 0.128 km
An alternative is also that one kilometer is approximately seven point eight one two times four hundred twenty feet.
Conversion table
feet to kilometers chart
For quick reference purposes, below is the conversion table you can use to convert from feet to kilometers
feet (ft) | kilometers (km) |
---|---|
421 feet | 0.128 kilometers |
422 feet | 0.129 kilometers |
423 feet | 0.129 kilometers |
424 feet | 0.129 kilometers |
425 feet | 0.13 kilometers |
426 feet | 0.13 kilometers |
427 feet | 0.13 kilometers |
428 feet | 0.13 kilometers |
429 feet | 0.131 kilometers |
430 feet | 0.131 kilometers |