GPM Calculator
Calculate flow rate (GPM), volume, or time using the GPM formula.
Calculation Mode
What value do you want to calculate?
Input Values
Gallons per minute
Gallons or liters
Minutes or seconds
Units for flow rate
Unit for time input
Flow Rate
0.00
GPM
Volume
0.00
gal
Time
0.00
min
Formula
GPM = Volume / Time
Converted Volume
0.00 gal
Converted Time
0.00 min
Unit System
US Gallons
Mode
Flow Rate
solving for
Flow Rate (LPM)
0.00
liters per minute
Flow Rate (m³/hr)
0.000
cubic meters per hour
GPM = Volume ÷ Time. Enter any two values to calculate the third.
1 GPM = 3.785 LPM = 0.227 m³/hr
1 US Gallon = 0.833 Imperial Gallons