FLUIDS
Volume flow
Volumetric flow for pipes, ducts and pumps.
Try a decimal, 1e-9, 1/3, or 5 1/2.
Result448.831 gph US1 cfm = 448.831 gph US
EVERYDAY · ENGINEERING · SCIENCE
cfm to gph US Converter
Convert cubic foot per minute (cfm) to U.S. gallon per hour (gph US). Enter a value for an instant result, or use the examples and reverse conversion below.
520units ready to convert
HOW IT IS CALCULATED
Convert through cubic metre per second
Enter a cubic foot per minute value to calculate U.S. gallon per hour with full internal precision before display rounding.
Display PrecisionAuto · 6 significant digits
Auto trims unnecessary zeroes and uses scientific notation for extreme magnitudes. Use Digits to set the display precision; calculations retain full precision.
QUICK REFERENCE
All units in this quantity
| 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.
cfm to gph US Conversion Reference
Cubic Foot Per Minute (cfm) and U.S. gallon per hour (gph US) are units of volume flow. Use this page to convert in either direction.
Conversion Examples
| Cubic Foot Per Minute (cfm) | U.S. Gallon Per Hour (gph US) |
|---|---|
| 1 cfm | 448.831 gph US |
| 5 cfm | 2244.16 gph US |
| 10 cfm | 4488.31 gph US |
| 100 cfm | 44883.1 gph US |
Examples are rounded to 6 significant digits. The interactive converter retains full calculation precision; change Display Precision to see more digits.
Reverse Conversion
gph US to cfm (U.S. gallon per hour to cubic foot per minute)
Related Volume flow Conversions
cfm to m³/s (cubic foot per minute to cubic metre per second)cfm to m³/min (cubic foot per minute to cubic metre per minute)cfm to m³/h (cubic foot per minute to cubic metre per hour)cfm to L/s (cubic foot per minute to litre per second)cfm to L/min (cubic foot per minute to litre per minute)cfm to L/h (cubic foot per minute to litre per hour)cfm to mL/min (cubic foot per minute to millilitre per minute)cfm to ft³/s (cubic foot per minute to cubic foot per second)cfm to gpm US (cubic foot per minute to U.S. gallon per minute)cfm to gpm Imp (cubic foot per minute to Imperial gallon per minute)cfm to bbl/d (cubic foot per minute to oil barrel per day)