cfs to gpm online converter Converter cubic feet per second [cfs, ft3/s] and US gallon per minute [gpm] (cfs to gpm, convert gpm to ft3/s) and vice versa. Conversion formulas Cubic feet per second , US gallon per minute (cfs, ft3/s, gpm): cfs= 448.8325660485*gpm. gpm= cfs/448.8325660485. where: cfs: Cubic feet per second. gpm: US gallon…