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 2421 feet per second into kilometers per hour we have to multiply 2421 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

2421 ft/s → V_(km/h)

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

V_(km/h) = 2421 ft/s × 1.0972799999991 km/h

V_(km/h) = 2656.5148799979 km/h

The final result is:

2421 ft/s → 2656.5148799979 km/h

We conclude that 2421 feet per second is equivalent to 2656.5148799979 kilometers per hour:

2421 feet per second = 2656.5148799979 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 0.00037643305050894 × 2421 feet per second.

Another way is saying that 2421 feet per second is equal to 1 ÷ 0.00037643305050894 kilometers per hour.

Approximate result

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

2421 ft/s ≅ 2656.515 km/h

An alternative is also that one kilometer per hour is approximately zero times two thousand four 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