Whatd the formula for turning fps to m/h to km/h?

Question

im too lazy too look online and feel like giving sum1 10 points.

Answer 1

Well there are 5280 feet in a mile and 3600 seconds in an hour, so:

feet/second * 5280/3600 = miles/hour

And there are 1.6 km in a mile so:

miles/hour * 1.6 = km/hour

Answer 2

for every 10 mph thers is 5 kmh

so 20mph is 10 kmh

Answer 3

Why do you even need a formula when you can download this wonderful conversion program?

Convert:

http://joshmadison.com/article/convert-f...