EngiRef / Flow rate conversion
Convert Cubic meters/hour to Gallons/minute (US) (m³/h to gpm)
1 m³/h = 4.40286754 gpm. Convert cubic meters/hour to gallons/minute (US) with the exact factor, a common-values table and a free converter.
Conversion factor
gpm = m³/h × 4.40286754
1 m³/h = 4.40286754 gpm
Multiply by 4.40286754 gpm to go from cubic meters/hour to gallons/minute (US), or divide by it to come back. The factor and every value below are computed by the same converter that runs at /convert, so this page and the tool cannot disagree.
m³/h to gpm table
| Cubic meters/hour (m³/h) | Gallons/minute (US) (gpm) |
|---|---|
| 1 m³/h | 4.40286754 gpm |
| 2 m³/h | 8.80573508 gpm |
| 5 m³/h | 22.0143377 gpm |
| 10 m³/h | 44.0286754 gpm |
| 20 m³/h | 88.0573508 gpm |
| 50 m³/h | 220.143377 gpm |
| 100 m³/h | 440.286754 gpm |
Every figure is computed at build time by the site’s own converter from the flow rate unit registry. For a value that is not listed, put it into the interactive converter.
Frequently asked questions
How many gallons/minute (US) are in one cubic meter/hour?
One cubic meter/hour is 4.40286754 gpm, so 100 m³/h is 440.286754 gpm.
What is the formula to convert cubic meters/hour to gallons/minute (US)?
gpm = m³/h × 4.40286754. Multiply the value in cubic meters/hour by 4.40286754 to get gallons/minute (US).
How do I convert gallons/minute (US) back to cubic meters/hour?
m³/h = gpm × 0.227124707, so 1 gpm is 0.227124707 m³/h. The gpm to m³/h page carries the same table in that direction.