Cubic Meter per Hour (m³/h)
Cubic meter per hour (m³/h) equals 2.777778×10⁻⁴ m³/s — common for HVAC air handlers and water mains.
Cubic meters per hour rate building ventilation, district heating loops, and municipal water supply.
Convert cubic meter per hour to gallon (us) per minute (gpm) instantly. Type in either field — results update live.
Selected m³/h values converted to GPM using the exact factor from this tool.
| m³/h | GPM |
|---|---|
| 0.01 | 0.0440286754 |
| 0.1 | 0.440286754 |
| 1 | 4.4028675397 |
| 2 | 8.8057350793 |
| 3 | 13.208602619 |
| 5 | 22.0143376983 |
| 10 | 44.0286753965 |
| 20 | 88.0573507931 |
| 50 | 220.1433769827 |
| 100 | 440.2867539655 |
| 1,000 | 4,402.8675396547 |
Exact conversion factors in both directions, plus a worked example.
1 m³/h = 4.4028675397 GPM
1 GPM = 0.227124707 m³/h
To convert cubic meter per hour to gallon (us) per minute (gpm), multiply by 4.4028675397.
To convert gallon (us) per minute (gpm) to cubic meter per hour, multiply by 0.227124707.
Example: convert 10 m³/h to GPM
10 × 4.4028675397 = 44.0286753965 GPM
Short background on the units used in this conversion.
Cubic meter per hour (m³/h) equals 2.777778×10⁻⁴ m³/s — common for HVAC air handlers and water mains.
Cubic meters per hour rate building ventilation, district heating loops, and municipal water supply.
Gallon (US) per minute (GPM) equals 6.30902×10⁻⁵ m³/s using the US liquid gallon of 3.785411784 L.
GPM is the standard US plumbing and pump rating — distinct from the larger UK imperial gallon.
GPM = m³/h × 4.4028675397m³/h = GPM × 0.227124707, using the same exact factors as this converter.Jump to any flow conversion starting from cubic meter per hour — including the reverse direction and every other unit in our dataset.