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 231 feet per second into kilometers per hour we have to multiply 231 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

231 ft/s → V_(km/h)

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

V_(km/h) = 231 ft/s × 1.0972799999991 km/h

V_(km/h) = 253.4716799998 km/h

The final result is:

231 ft/s → 253.4716799998 km/h

We conclude that 231 feet per second is equivalent to 253.4716799998 kilometers per hour:

231 feet per second = 253.4716799998 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 0.0039452139189704 × 231 feet per second.

Another way is saying that 231 feet per second is equal to 1 ÷ 0.0039452139189704 kilometers per hour.

Approximate result

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

231 ft/s ≅ 253.472 km/h

An alternative is also that one kilometer per hour is approximately zero point zero zero four times two hundred thirty-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