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 8521 feet per second into kilometers per hour we have to multiply 8521 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

8521 ft/s → V_(km/h)

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

V_(km/h) = 8521 ft/s × 1.0972799999991 km/h

V_(km/h) = 9349.9228799925 km/h

The final result is:

8521 ft/s → 9349.9228799925 km/h

We conclude that 8521 feet per second is equivalent to 9349.9228799925 kilometers per hour:

8521 feet per second = 9349.9228799925 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 0.00010695275381788 × 8521 feet per second.

Another way is saying that 8521 feet per second is equal to 1 ÷ 0.00010695275381788 kilometers per hour.

Approximate result

For practical purposes we can round our final result to an approximate numerical value. We can say that eight thousand five hundred twenty-one feet per second is approximately nine thousand three hundred forty-nine point nine two three kilometers per hour:

8521 ft/s ≅ 9349.923 km/h

An alternative is also that one kilometer per hour is approximately zero times eight thousand five hundred twenty-one 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