Conversion formula

The conversion factor from kilometers per hour to feet per second is 0.91134441528215, which means that 1 kilometer per hour is equal to 0.91134441528215 feet per second:

1 km/h = 0.91134441528215 ft/s

To convert 221 kilometers per hour into feet per second we have to multiply 221 by the conversion factor in order to get the velocity amount from kilometers per hour to feet per second. We can also form a simple proportion to calculate the result:

1 km/h → 0.91134441528215 ft/s

221 km/h → V_(ft/s)

Solve the above proportion to obtain the velocity V in feet per second:

V_(ft/s) = 221 km/h × 0.91134441528215 ft/s

V_(ft/s) = 201.40711577736 ft/s

The final result is:

221 km/h → 201.40711577736 ft/s

We conclude that 221 kilometers per hour is equivalent to 201.40711577736 feet per second:

221 kilometers per hour = 201.40711577736 feet per second

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 foot per second is equal to 0.0049650678732992 × 221 kilometers per hour.

Another way is saying that 221 kilometers per hour is equal to 1 ÷ 0.0049650678732992 feet per second.

Approximate result

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

221 km/h ≅ 201.407 ft/s

An alternative is also that one foot per second is approximately zero point zero zero five times two hundred twenty-one kilometers per hour.

Conversion table

kilometers per hour to feet per second chart

For quick reference purposes, below is the conversion table you can use to convert from kilometers per hour to feet per second