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 1140 feet per second into kilometers per hour we have to multiply 1140 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

1140 ft/s → V_(km/h)

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

V_(km/h) = 1140 ft/s × 1.0972799999991 km/h

V_(km/h) = 1250.899199999 km/h

The final result is:

1140 ft/s → 1250.899199999 km/h

We conclude that 1140 feet per second is equivalent to 1250.899199999 kilometers per hour:

1140 feet per second = 1250.899199999 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 0.0007994249256861 × 1140 feet per second.

Another way is saying that 1140 feet per second is equal to 1 ÷ 0.0007994249256861 kilometers per hour.

Approximate result

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

1140 ft/s ≅ 1250.899 km/h

An alternative is also that one kilometer per hour is approximately zero point zero zero one times one thousand one hundred forty 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