Unit Converter
Conversion formula
The conversion factor from feet per second to kilometers per hour is 1.0972799999991, which means that 1 foot per second is equal to 1.0972799999991 kilometers per hour:
1 ft/s = 1.0972799999991 km/h
To convert 428 feet per second into kilometers per hour we have to multiply 428 by the conversion factor in order to get the velocity amount from feet per second to kilometers per hour. We can also form a simple proportion to calculate the result:
1 ft/s → 1.0972799999991 km/h
428 ft/s → V(km/h)
Solve the above proportion to obtain the velocity V in kilometers per hour:
V(km/h) = 428 ft/s × 1.0972799999991 km/h
V(km/h) = 469.63583999962 km/h
The final result is:
428 ft/s → 469.63583999962 km/h
We conclude that 428 feet per second is equivalent to 469.63583999962 kilometers per hour:
428 feet per second = 469.63583999962 kilometers per hour
Alternative conversion
We can also convert by utilizing the inverse value of the conversion factor. In this case 1 kilometer per hour is equal to 0.0021293093815004 × 428 feet per second.
Another way is saying that 428 feet per second is equal to 1 ÷ 0.0021293093815004 kilometers per hour.
Approximate result
For practical purposes we can round our final result to an approximate numerical value. We can say that four hundred twenty-eight feet per second is approximately four hundred sixty-nine point six three six kilometers per hour:
428 ft/s ≅ 469.636 km/h
An alternative is also that one kilometer per hour is approximately zero point zero zero two times four hundred twenty-eight feet per second.
Conversion table
feet per second to kilometers per hour chart
For quick reference purposes, below is the conversion table you can use to convert from feet per second to kilometers per hour
feet per second (ft/s) | kilometers per hour (km/h) |
---|---|
429 feet per second | 470.733 kilometers per hour |
430 feet per second | 471.83 kilometers per hour |
431 feet per second | 472.928 kilometers per hour |
432 feet per second | 474.025 kilometers per hour |
433 feet per second | 475.122 kilometers per hour |
434 feet per second | 476.22 kilometers per hour |
435 feet per second | 477.317 kilometers per hour |
436 feet per second | 478.414 kilometers per hour |
437 feet per second | 479.511 kilometers per hour |
438 feet per second | 480.609 kilometers per hour |