## 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 1251 feet per second into kilometers per hour we have to multiply 1251 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

1251 ft/s → V(km/h)

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

V(km/h) = 1251 ft/s × 1.0972799999991 km/h

V(km/h) = 1372.6972799989 km/h

The final result is:

1251 ft/s → 1372.6972799989 km/h

We conclude that 1251 feet per second is equivalent to 1372.6972799989 kilometers per hour:

1251 feet per second = 1372.6972799989 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 0.00072849273803529 × 1251 feet per second.

Another way is saying that 1251 feet per second is equal to 1 ÷ 0.00072849273803529 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 fifty-one feet per second is approximately one thousand three hundred seventy-two point six nine seven kilometers per hour:

1251 ft/s ≅ 1372.697 km/h

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

feet per second (ft/s) kilometers per hour (km/h)
1252 feet per second 1373.795 kilometers per hour
1253 feet per second 1374.892 kilometers per hour
1254 feet per second 1375.989 kilometers per hour
1255 feet per second 1377.086 kilometers per hour
1256 feet per second 1378.184 kilometers per hour
1257 feet per second 1379.281 kilometers per hour
1258 feet per second 1380.378 kilometers per hour
1259 feet per second 1381.476 kilometers per hour
1260 feet per second 1382.573 kilometers per hour
1261 feet per second 1383.67 kilometers per hour