Imperial gallons per minute to US gallons per minute formula
us gallons per minute = imperial gallons per minute × 1.20095
Multiply the number of imperial gallons per minute by 1.20095 to get us gallons per minute. To go the other way, multiply by 0.832674 instead, or use the gpm to imperial gpm converter.
Imperial gallons per minute to US gallons per minute conversion table
Common imperial gpm to gpm values, rounded for reading. The converter above keeps full precision.
| Imperial gallons per minute | US gallons per minute |
|---|---|
| 1 imp gal/min | 1.20095 US gal/min |
| 2 imp gal/min | 2.4019 US gal/min |
| 5 imp gal/min | 6.00475 US gal/min |
| 10 imp gal/min | 12.0095 US gal/min |
| 15 imp gal/min | 18.0142 US gal/min |
| 20 imp gal/min | 24.019 US gal/min |
| 25 imp gal/min | 30.0237 US gal/min |
| 50 imp gal/min | 60.0475 US gal/min |
| 60 imp gal/min | 72.057 US gal/min |
| 100 imp gal/min | 120.095 US gal/min |
| 250 imp gal/min | 300.237 US gal/min |
| 500 imp gal/min | 600.475 US gal/min |
| 1,000 imp gal/min | 1,200.95 US gal/min |
| 2,500 imp gal/min | 3,002.37 US gal/min |
| 5,000 imp gal/min | 6,004.75 US gal/min |
Worked example
To convert 20 imp gal/min to us gallons per minute, multiply by 1.20095: the result is 24.019 US gal/min. US and Imperial gallons are different sizes. This tool converts volumetric flow only; mass flow also depends on fluid density.
Frequently asked questions
How many us gallons per minute are in a imperial gallon per minute?
One imperial gallon per minute equals 1.20095 us gallons per minute (1 imp gal/min = 1.20095 US gal/min).
What is 20 imperial gallons per minute in us gallons per minute?
20 imp gal/min converts to 24.019 US gal/min. Enter any other value in the converter above to see it recalculated instantly.
How do I convert us gallons per minute back to imperial gallons per minute?
Reverse the calculation: one us gallon per minute equals 0.832674 imperial gallons per minute. You can also swap the units in the converter or open the gpm to imperial gpm page.
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