Formula
imp gpm to L/min conversion formula
Use this relationship for a direct conversion:
Worked example
2 imp gpm = 9.09218 L/min.
Unit conversion does not account for compressibility, pressure, or temperature effects on actual fluid volume.
Volume Flow Rate conversion
1 imperial gallon per minute (imp gpm) equals 4.54609 liter per minute (L/min). Enter any value below to convert from imp gpm to L/min.
Enter a value and choose units. Results update instantly.
1 imp gpm = 4.54609 L/min
| Unit | Value |
|---|---|
| Cubic meter per second m³/s | 0.0000757682 |
| Cubic meter per hour m³/h | 0.2727654 |
| Liter per second L/s | 0.0757681667 |
| Liter per minute L/min | 4.54609 |
| US gallon per minute US gpm | 1.2009499255 |
| Imperial gallon per minute imp gpm | 1 |
| Cubic foot per minute cfm | 0.1605436532 |
Formula
Use this relationship for a direct conversion:
2 imp gpm = 9.09218 L/min.
Unit conversion does not account for compressibility, pressure, or temperature effects on actual fluid volume.
Quick reference
| Imperial gallon per minute (imp gpm) | Liter per minute (L/min) |
|---|---|
| 0.01 | 0.0454609 |
| 0.1 | 0.454609 |
| 1 | 4.54609 |
| 2 | 9.09218 |
| 5 | 22.73045 |
| 10 | 45.4609 |
| 25 | 113.65225 |
| 50 | 227.3045 |
| 100 | 454.609 |
| 1,000 | 4,546.09 |
From unit
One Imperial gallon per minute.
Symbol: imp gpm
To unit
One liter distributed over one minute.
Symbol: L/min
Keep converting
Source
Definitions are checked against NIST SP 811 and exact volume definitions. Calculations use full internal precision before display rounding.
View the complete volume flow rate converterQuestions
Use the formula L/min = imp gpm x 4.54609. 1 imperial gallon per minute (imp gpm) equals 4.54609 liter per minute (L/min).
Both unit definitions use exact factors. Only the displayed decimal may be rounded.