Calling engineers: Need help with unit conversions

[daveGT]

I think you want to convert flow numbers, right?

Converting seconds^2 / cubic feet to gallons / minute doesn't make sense - you have to convert like measurements.

It sounds like you want to convert flow numbers, from gallons per minute (gal/min) to cubic feet per second (ft^3/sec).

Therefore:

1 gallon = 0.13368 cubic feet, or 1 gal / 0.13368 c.f.

1 minute = 60 seconds, or 1 min / 60 sec.

So, convert gallons to cubic feet and then convert minutes to seconds:

(1 gal/min) * (0.13368 cf/gal) * (1 min./60 seconds) = .0022

Multiply out and cancel the units:

Answer = 0.0022 cubic feet /second = 1 gallon/minute

So...

10 gallons per minute = 10(0.0022 cf/sec) = 0.022 cf/sec


Hope this helps.