## 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 1238 feet per second into kilometers per hour we have to multiply 1238 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

1238 ft/s → V(km/h)

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

V(km/h) = 1238 ft/s × 1.0972799999991 km/h

V(km/h) = 1358.4326399989 km/h

The final result is:

1238 ft/s → 1358.4326399989 km/h

We conclude that 1238 feet per second is equivalent to 1358.4326399989 kilometers per hour:

1238 feet per second = 1358.4326399989 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 0.00073614250022791 × 1238 feet per second.

Another way is saying that 1238 feet per second is equal to 1 ÷ 0.00073614250022791 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 two hundred thirty-eight feet per second is approximately one thousand three hundred fifty-eight point four three three kilometers per hour:

1238 ft/s ≅ 1358.433 km/h

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

feet per second (ft/s) kilometers per hour (km/h)
1239 feet per second 1359.53 kilometers per hour
1240 feet per second 1360.627 kilometers per hour
1241 feet per second 1361.724 kilometers per hour
1242 feet per second 1362.822 kilometers per hour
1243 feet per second 1363.919 kilometers per hour
1244 feet per second 1365.016 kilometers per hour
1245 feet per second 1366.114 kilometers per hour
1246 feet per second 1367.211 kilometers per hour
1247 feet per second 1368.308 kilometers per hour
1248 feet per second 1369.405 kilometers per hour