How to convert cubic meters per hour to gallons per minute
gpm = m³/h × 4.402867539Multiply the value in cubic meters per hour by 4.402867539. To go the other way, multiply by 0.227124707 (or divide by 4.402867539).
A cubic meter per hour is larger than an US gallon per minute: one cubic meter per hour contains 4.402867539 gallons per minute.
Worked examples
- 1 cubic meter per hour1 m³/h × 4.402867539 = 4.402867539 gpm
- 5 cubic meters per hour5 m³/h × 4.402867539 = 22.0143377 gpm
- 10 cubic meters per hour10 m³/h × 4.402867539 = 44.02867539 gpm
- 20 cubic meters per hour20 m³/h × 4.402867539 = 88.05735079 gpm
- 100 cubic meters per hour100 m³/h × 4.402867539 = 440.2867539 gpm
Cubic meters per hour to gallons per minute conversion table
Values are calculated by the conversion engine and rounded to 8 significant figures.
| Cubic meters per hour (m³/h) | Gallons per minute (gpm) |
|---|---|
| 0.1 m³/h | 0.44028675 gpm |
| 0.25 m³/h | 1.1007169 gpm |
| 0.5 m³/h | 2.2014338 gpm |
| 1 m³/h | 4.4028675 gpm |
| 2 m³/h | 8.8057351 gpm |
| 3 m³/h | 13.208603 gpm |
| 4 m³/h | 17.61147 gpm |
| 5 m³/h | 22.014338 gpm |
| 6 m³/h | 26.417205 gpm |
| 7 m³/h | 30.820073 gpm |
| 8 m³/h | 35.22294 gpm |
| 9 m³/h | 39.625808 gpm |
| 10 m³/h | 44.028675 gpm |
| Cubic meters per hour (m³/h) | Gallons per minute (gpm) |
|---|---|
| 12 m³/h | 52.83441 gpm |
| 15 m³/h | 66.043013 gpm |
| 20 m³/h | 88.057351 gpm |
| 25 m³/h | 110.07169 gpm |
| 30 m³/h | 132.08603 gpm |
| 40 m³/h | 176.1147 gpm |
| 50 m³/h | 220.14338 gpm |
| 75 m³/h | 330.21507 gpm |
| 100 m³/h | 440.28675 gpm |
| 250 m³/h | 1,100.7169 gpm |
| 500 m³/h | 2,201.4338 gpm |
| 1,000 m³/h | 4,402.8675 gpm |
About the units
Cubic meter per hour (m³/h)
Common rating unit for pumps and ventilation outside the US. One cubic meter per hour equals 0.0002777777778 cubic meters per second (m³/s).
US gallon per minute (gpm)
The standard US unit for pumps, wells and fixtures; about 3.785 L/min. One US gallon per minute equals 0.0000630901964 cubic meters per second (m³/s).
Frequently asked questions
How many gallons per minute are in one cubic meter per hour?
There are 4.402867539 gallons per minute in one cubic meter per hour, and this value is exact by definition.
How do I convert cubic meters per hour to gallons per minute?
Multiply the number of cubic meters per hour by 4.402867539. For example, 10 m³/h × 4.402867539 = 44.02867539 gpm.
How many cubic meters per hour are in one US gallon per minute?
One US gallon per minute equals 0.227124707 cubic meters per hour. That is the reverse factor, 1 ÷ 4.402867539.
What is 10 cubic meters per hour in gallons per minute?
10 m³/h = 44.02867539 gpm.
Is this m³/h to gpm converter accurate?
Yes. Both units are defined exactly in terms of SI units, so the conversion factor is exact; results are shown to 12 significant figures by default and you can change precision in the converter. Calculations run in your browser using the same tested engine that generated this page.