Volume Flow Rate conversion
1 cubic foot per minute (cfm) equals 6.228835459043 imperial gallon per minute (imp gpm). Enter any value below to convert from cfm to imp gpm.
Enter a value and choose units. Results update instantly.
1 cfm = 6.228835459 imp gpm
| Unit | Value |
|---|---|
| Cubic meter per second m³/s | 0.0004719474 |
| Cubic meter per hour m³/h | 1.6990107955 |
| Liter per second L/s | 0.4719474432 |
| Liter per minute L/min | 28.316846592 |
| US gallon per minute US gpm | 7.4805194805 |
| Imperial gallon per minute imp gpm | 6.228835459 |
| Cubic foot per minute cfm | 1 |
Formula
Use this relationship for a direct conversion:
2 cfm = 12.4576709181 imp gpm.
Unit conversion does not account for compressibility, pressure, or temperature effects on actual fluid volume.
Quick reference
| Cubic foot per minute (cfm) | Imperial gallon per minute (imp gpm) |
|---|---|
| 0.01 | 0.0622883546 |
| 0.1 | 0.6228835459 |
| 1 | 6.228835459 |
| 2 | 12.4576709181 |
| 5 | 31.1441772952 |
| 10 | 62.2883545904 |
| 25 | 155.7208864761 |
| 50 | 311.4417729521 |
| 100 | 622.8835459043 |
| 1,000 | 6,228.8354590428 |
From unit
One cubic foot per minute.
Symbol: cfm
To unit
One Imperial gallon per minute.
Symbol: imp gpm
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 imp gpm = cfm x 6.228835459043. 1 cubic foot per minute (cfm) equals 6.228835459043 imperial gallon per minute (imp gpm).
Both unit definitions use exact factors. Only the displayed decimal may be rounded.
