US gallons per minute to cubic meters per hour
Type a value in US gallons per minute to see it in cubic meters per hour straight away, or type in the second box to convert back.
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Processing and privacy: The result is calculated inside your browser and your data is not sent to any server.
How to use it
- Type the value in the US gallons per minute box.
- Read the result in cubic meters per hour as you type, and pick the precision you need.
- Swap the direction to convert back, or copy the result.
How it is calculated
m³/h = gpm (US) × 0.227124707
Multiply the value in US gallons per minute by 0.227124707 to get cubic meters per hour.
Example
To convert 25 gpm (US) to cubic meters per hour: 25 × 0.227124707 = 5.67812 m³/h.
Conversion table
| US gallons per minute (gpm (US)) | Cubic meters per hour (m³/h) |
|---|---|
| 1 | 0.227125 |
| 2 | 0.454249 |
| 3 | 0.681374 |
| 5 | 1.13562 |
| 10 | 2.27125 |
| 20 | 4.54249 |
| 25 | 5.67812 |
| 50 | 11.3562 |
| 100 | 22.7125 |
| 250 | 56.7812 |
| 500 | 113.562 |
| 1,000 | 227.125 |
About the units
- US gallon per minute
- One US gallon (3.785411784 L) passing each minute, a common unit on US pump specifications.
- Cubic meter per hour
- One cubic meter passing each hour, 1/3600 m³/s, the usual unit for water pumps and ventilation.
Limits and caveats
- Results are rounded for display and computed with the browser's floating point precision (about 15 significant digits).
- Both unit factors are exact by their official definitions.
Questions about this tool
How many cubic meters per hour are in one US gallon per minute?
1 gpm (US) = 0.227125 m³/h exactly.
How do I convert US gallons per minute to cubic meters per hour?
Use m³/h = gpm (US) × 0.227124707. For example, 25 gpm (US) = 5.67812 m³/h.
How many US gallons per minute are in one cubic meter per hour?
1 m³/h = 4.40287 gpm (US).
How do I convert liters per minute to US gallons per minute?
One US gallon per minute is exactly 3.785411784 L/min, so divide the liters figure by 3.785411784. For example, 20 L/min is about 5.28 US gpm.
What does CFM mean on AC units and fans?
CFM stands for cubic feet per minute and describes how much air a unit moves. One CFM equals 1.69901079552 cubic meters per hour or 0.4719474432 liters per second.