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Unit Converter

Conversion formula

The conversion factor from kilometers per hour to feet per second is 0.91134441528215, which means that 1 kilometer per hour is equal to 0.91134441528215 feet per second:

1 km/h = 0.91134441528215 ft/s

To convert 420 kilometers per hour into feet per second we have to multiply 420 by the conversion factor in order to get the velocity amount from kilometers per hour to feet per second. We can also form a simple proportion to calculate the result:

1 km/h → 0.91134441528215 ft/s

420 km/h → V(ft/s)

Solve the above proportion to obtain the velocity V in feet per second:

V(ft/s) = 420 km/h × 0.91134441528215 ft/s

V(ft/s) = 382.7646544185 ft/s

The final result is:

420 km/h → 382.7646544185 ft/s

We conclude that 420 kilometers per hour is equivalent to 382.7646544185 feet per second:

420 kilometers per hour = 382.7646544185 feet per second

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 foot per second is equal to 0.0026125714285693 × 420 kilometers per hour.

Another way is saying that 420 kilometers per hour is equal to 1 ÷ 0.0026125714285693 feet per second.

Approximate result

For practical purposes we can round our final result to an approximate numerical value. We can say that four hundred twenty kilometers per hour is approximately three hundred eighty-two point seven six five feet per second:

420 km/h ≅ 382.765 ft/s

An alternative is also that one foot per second is approximately zero point zero zero three times four hundred twenty kilometers per hour.

Conversion table

kilometers per hour to feet per second chart

For quick reference purposes, below is the conversion table you can use to convert from kilometers per hour to feet per second

kilometers per hour (km/h) feet per second (ft/s)
421 kilometers per hour 383.676 feet per second
422 kilometers per hour 384.587 feet per second
423 kilometers per hour 385.499 feet per second
424 kilometers per hour 386.41 feet per second
425 kilometers per hour 387.321 feet per second
426 kilometers per hour 388.233 feet per second
427 kilometers per hour 389.144 feet per second
428 kilometers per hour 390.055 feet per second
429 kilometers per hour 390.967 feet per second
430 kilometers per hour 391.878 feet per second