Volume flow
Volumetric flow for pipes, ducts and pumps.
Try a decimal, 1e-9, 1/3, or 5 1/2.
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Convert cubic foot per minute (cfm) to Imperial gallon per minute (gpm Imp). Enter a value for an instant result, or use the examples and reverse conversion below.
Volumetric flow for pipes, ducts and pumps.
Try a decimal, 1e-9, 1/3, or 5 1/2.
Enter a cubic foot per minute value to calculate Imperial gallon per minute with full internal precision before display rounding.
Auto trims unnecessary zeroes and uses scientific notation for extreme magnitudes. Use Digits to set the display precision; calculations retain full precision.
| Unit | Symbol | Converted value |
|---|---|---|
| cubic metre per secondfrom cfm | m³/s | 0.000471947 |
| cubic metre per minutefrom cfm | m³/min | 0.0283168 |
| cubic metre per hourfrom cfm | m³/h | 1.69901 |
| litre per secondfrom cfm | L/s | 0.471947 |
| litre per minutefrom cfm | L/min | 28.3168 |
| litre per hourfrom cfm | L/h | 1699.01 |
| millilitre per minutefrom cfm | mL/min | 28316.8 |
| cubic foot per secondfrom cfm | ft³/s | 0.0166667 |
| cubic foot per minutefrom cfm | cfm | 1 |
| U.S. gallon per minutefrom cfm | gpm US | 7.48052 |
| U.S. gallon per hourfrom cfm | gph US | 448.831 |
| Imperial gallon per minutefrom cfm | gpm Imp | 6.22884 |
| oil barrel per dayfrom cfm | bbl/d | 256.475 |
SI symbols follow international notation. U.S. and Imperial measures are labelled separately where their values differ.
Cubic Foot Per Minute (cfm) and Imperial gallon per minute (gpm Imp) are units of volume flow. Use this page to convert in either direction.
| Cubic Foot Per Minute (cfm) | Imperial Gallon Per Minute (gpm Imp) |
|---|---|
| 1 cfm | 6.22884 gpm Imp |
| 5 cfm | 31.1442 gpm Imp |
| 10 cfm | 62.2884 gpm Imp |
| 100 cfm | 622.884 gpm Imp |
Examples are rounded to 6 significant digits. The interactive converter retains full calculation precision; change Display Precision to see more digits.
gpm Imp to cfm (Imperial gallon per minute to cubic foot per minute)