## 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 387 feet per second into kilometers per hour we have to multiply 387 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

387 ft/s → V(km/h)

Solve the above proportion to obtain the velocity V in kilometers per hour:

V(km/h) = 387 ft/s × 1.0972799999991 km/h

V(km/h) = 424.64735999966 km/h

The final result is:

387 ft/s → 424.64735999966 km/h

We conclude that 387 feet per second is equivalent to 424.64735999966 kilometers per hour:

387 feet per second = 424.64735999966 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 0.002354895129928 × 387 feet per second.

Another way is saying that 387 feet per second is equal to 1 ÷ 0.002354895129928 kilometers per hour.

## Approximate result

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

387 ft/s ≅ 424.647 km/h

An alternative is also that one kilometer per hour is approximately zero point zero zero two times three hundred eighty-seven 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)
388 feet per second 425.745 kilometers per hour
389 feet per second 426.842 kilometers per hour
390 feet per second 427.939 kilometers per hour
391 feet per second 429.036 kilometers per hour
392 feet per second 430.134 kilometers per hour
393 feet per second 431.231 kilometers per hour
394 feet per second 432.328 kilometers per hour
395 feet per second 433.426 kilometers per hour
396 feet per second 434.523 kilometers per hour
397 feet per second 435.62 kilometers per hour