## 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 553 feet per second into kilometers per hour we have to multiply 553 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

553 ft/s → V(km/h)

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

V(km/h) = 553 ft/s × 1.0972799999991 km/h

V(km/h) = 606.79583999951 km/h

The final result is:

553 ft/s → 606.79583999951 km/h

We conclude that 553 feet per second is equivalent to 606.79583999951 kilometers per hour:

553 feet per second = 606.79583999951 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 0.0016480007509623 × 553 feet per second.

Another way is saying that 553 feet per second is equal to 1 ÷ 0.0016480007509623 kilometers per hour.

## Approximate result

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

553 ft/s ≅ 606.796 km/h

An alternative is also that one kilometer per hour is approximately zero point zero zero two times five hundred fifty-three 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)
554 feet per second 607.893 kilometers per hour
555 feet per second 608.99 kilometers per hour
556 feet per second 610.088 kilometers per hour
557 feet per second 611.185 kilometers per hour
558 feet per second 612.282 kilometers per hour
559 feet per second 613.38 kilometers per hour
560 feet per second 614.477 kilometers per hour
561 feet per second 615.574 kilometers per hour
562 feet per second 616.671 kilometers per hour
563 feet per second 617.769 kilometers per hour