Volumetric flow rate.
Cubic Meter per Hours to Gallon per Minutes Converter — m3/h to gal/min
Convert Cubic Meter per Hours (m3/h) to Gallon per Minutes (gal/min) using the exact conversion factor (1 cubic meter per hours = 4.402867539 gallon per minutes). See the formula, worked examples, conversion table, unit comparison, and common uses.
Cubic Meter per Hours to Gallon per Minutes converter
Converter
Flow Rate Converter
Convert volumetric flow rates across metric, US, imperial, industrial, and scientific units.
Context values
Some unit families need one extra value for a physically accurate result.
Volumetric flow rate.
Result = input x 0.0002777777778 / 6.30901964e-5.
Flow rate uses cubic meters per second as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Cubic Meter per Hours to Gallon per Minutes
Cubic Meter per Hours and Gallon per Minutes both measure volumetric flow rate — how much volume passes a point over time — used to size pipes and pumps, monitor river or stream discharge, control industrial processes, and set medical infusion rates. Cubic Meter per Hours is typically associated with standard flow-rate unit for HVAC and industrial equipment ratings internationally, outside the US, while Gallon per Minutes is typically associated with united States (plumbing, pump, and irrigation industry standard).
Formula
gallon per minutes = cubic meter per hours × 4.4028675393
This factor comes from each unit's defined relationship to the category's base unit: 1 cubic meter per hours equals 0.000277777777778 base units, and 1 gallon per minutes equals 0.0000630901964 base units, so dividing one by the other gives the direct cubic meter per hours-to-gallon per minutes factor of 4.4028675393.
Simple example
1 m3/h × 4.402867539 = 4.402867539 gal/min
1 cubic meter per hours = 4.402867539 gallon per minutes.
Real-world example
60 m3/h × 4.402867539 = 264.1720524 gal/min
60 cubic meter per hours = 264.1720524 gallon per minutes.
Conversion table
| Cubic Meter per Hours (m3/h) | Gallon per Minutes (gal/min) |
|---|---|
| 0.1 m3/h | 0.4402867539 gal/min |
| 1 m3/h | 4.402867539 gal/min |
| 10 m3/h | 44.02867539 gal/min |
| 60 m3/h | 264.1720524 gal/min |
| 100 m3/h | 440.2867539 gal/min |
| 1,000 m3/h | 4,402.867539 gal/min |
Reverse conversion: Gallon per Minutes to Cubic Meter per Hours
4.402867539 gal/min × 0.227124707 = 0.9999999999 m3/h
4.402867539 gallon per minutes = 0.9999999999 cubic meter per hours.
cubic meter per hours = gallon per minutes × 0.22712470704
For a page dedicated to this direction, see Gallon per Minutes to Cubic Meter per Hours.
Cubic Meter per Hours vs. Gallon per Minutes
| Aspect | Cubic Meter per Hours | Gallon per Minutes |
|---|---|---|
| Family | metric derived flow-rate unit | US customary flow-rate unit |
| Typical use | HVAC equipment airflow and liquid-flow ratings | US residential and commercial plumbing fixture flow ratings |
| Where it's used | Standard flow-rate unit for HVAC and industrial equipment ratings internationally, outside the US | United States (plumbing, pump, and irrigation industry standard) |
Understanding the Cubic Meter per Hours
Cubic Meter per Hours (m3/h) measures volumetric flow rate. One cubic meter of volume passing a point every hour — a common scale for equipment and system flow ratings. It is classified as a metric derived flow-rate unit.
Where it's used: Standard flow-rate unit for HVAC and industrial equipment ratings internationally, outside the US
Uses of the Cubic Meter per Hours today
- HVAC equipment airflow and liquid-flow ratings
- Industrial pump and system flow specifications
- Building ventilation system design
Understanding the Gallon per Minutes
Gallon per Minutes (gal/min) measures volumetric flow rate. The standard US unit for pump, plumbing, and irrigation flow-rate specifications. It is classified as a US customary flow-rate unit.
Where it's used: United States (plumbing, pump, and irrigation industry standard)
Uses of the Gallon per Minutes today
- US residential and commercial plumbing fixture flow ratings
- US pump and irrigation system specifications
- US pool and spa filtration system sizing
Cubic Meter per Hours — sources
- ISO 5167 (flow measurement standards) — Cubic meters per hour as a standard industrial flow-rate unit.
Gallon per Minutes — sources
- NIST Handbook 44 — General tables of units including US customary flow-rate measures.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many gallon per minutes are in 1 cubic meter per hours?
1 cubic meter per hours equals 4.402867539 gallon per minutes, using the exact defined conversion factor rather than an estimate.
How do I convert cubic meter per hours to gallon per minutes?
Multiply the cubic meter per hours value by 4.402867539. The converter above does this instantly to whatever precision you set.
How do I convert gallon per minutes back to cubic meter per hours?
Use the reverse factor: 1 gallon per minutes equals 0.227124707 cubic meter per hours. You can also use the swap control in the converter above to flip the direction instantly.
What is a cubic meter per hours?
Cubic Meter per Hours (m3/h) measures volumetric flow rate. One cubic meter of volume passing a point every hour — a common scale for equipment and system flow ratings. It is classified as a metric derived flow-rate unit.
What is a gallon per minutes?
Gallon per Minutes (gal/min) measures volumetric flow rate. The standard US unit for pump, plumbing, and irrigation flow-rate specifications. It is classified as a US customary flow-rate unit.
Is the cubic meter per hours to gallon per minutes conversion exact?
Yes. Both cubic meter per hours and gallon per minutes are defined by fixed standards rather than physical artifacts, so the factor of 4.402867539 used above is exact to as many digits as you choose to display.
Where is the cubic meter per hours still used today?
Standard flow-rate unit for HVAC and industrial equipment ratings internationally, outside the US
What's the difference between volumetric and mass flow rate?
Volumetric flow rate measures the volume of fluid passing a point per unit time (for example, liters per second). Mass flow rate measures the mass instead. For a fluid of constant density the two are directly proportional, but for compressible fluids like gases, mass flow is often the more meaningful quantity.