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 1389 feet per second into kilometers per hour we have to multiply 1389 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

1389 ft/s → V_(km/h)

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

V_(km/h) = 1389 ft/s × 1.0972799999991 km/h

V_(km/h) = 1524.1219199988 km/h

The final result is:

1389 ft/s → 1524.1219199988 km/h

We conclude that 1389 feet per second is equivalent to 1524.1219199988 kilometers per hour:

1389 feet per second = 1524.1219199988 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 0.00065611548976397 × 1389 feet per second.

Another way is saying that 1389 feet per second is equal to 1 ÷ 0.00065611548976397 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 three hundred eighty-nine feet per second is approximately one thousand five hundred twenty-four point one two two kilometers per hour:

1389 ft/s ≅ 1524.122 km/h

An alternative is also that one kilometer per hour is approximately zero point zero zero one times one thousand three hundred eighty-nine 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