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Cubic Meter per Hour to Gallon (US) per Minute (GPM)

Convert cubic meter per hour to gallon (us) per minute (gpm) instantly. Type in either field — results update live.

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Flow Cubic Meter per Hour Gallon (US) per Minute (GPM)

1 cubic meter per hour = 4.4028675397 gallons (US) per minute

Unit
Unit
Format

Conversion table

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

How to convert

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

About these units

Short background on the units used in this conversion.

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.

Gallon (US) per Minute (GPM) (GPM)

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.

Frequently asked questions

How many gallons (US) per minute are in one cubic meter per hour?
One cubic meter per hour equals 4.4028675397 gallons (US) per minute. Multiply your cubic meters per hour value by 4.4028675397 to convert to gallons (US) per minute.
What is the conversion formula?
GPM = m³/h × 4.4028675397

The reverse is m³/h = GPM × 0.227124707, using the same exact factors as this converter.
Is this Cubic Meter per Hour to Gallon (US) per Minute (GPM) converter private?
Yes. All calculations run locally in your browser. Nothing you type is sent to a server.

All cubic meter per hour conversions

Jump to any flow conversion starting from cubic meter per hour — including the reverse direction and every other unit in our dataset.

gallon (us) per minute (gpm) (GPM) → cubic meter per hour (m³/h)
cubic meter per hour (m³/h) → cubic meter per second (m³/s)cubic meter per hour (m³/h) → cubic meter per day (m³/day)cubic meter per hour (m³/h) → cubic meter per minute (m³/min)cubic meter per hour (m³/h) → cubic centimeter per day (cm³/day)cubic meter per hour (m³/h) → cubic centimeter per hour (cm³/h)cubic meter per hour (m³/h) → cubic centimeter per minute (cm³/min)cubic meter per hour (m³/h) → cubic centimeter per second (cm³/s)cubic meter per hour (m³/h) → liter per day (L/day)cubic meter per hour (m³/h) → liter per hour (L/h)cubic meter per hour (m³/h) → liter per minute (L/min)cubic meter per hour (m³/h) → liter per second (L/s)cubic meter per hour (m³/h) → milliliter per day (mL/day)cubic meter per hour (m³/h) → milliliter per hour (mL/h)cubic meter per hour (m³/h) → milliliter per minute (mL/min)cubic meter per hour (m³/h) → milliliter per second (mL/s)cubic meter per hour (m³/h) → gallon (us) per day (gal (US)/day)cubic meter per hour (m³/h) → gallon (us) per hour (gal (US)/h)cubic meter per hour (m³/h) → gallon (us) per second (gal (US)/s)cubic meter per hour (m³/h) → gallon (uk) per day (gal (UK)/day)cubic meter per hour (m³/h) → gallon (uk) per hour (gal (UK)/h)cubic meter per hour (m³/h) → gallon (uk) per minute (gal (UK)/min)cubic meter per hour (m³/h) → gallon (uk) per second (gal (UK)/s)cubic meter per hour (m³/h) → kilobarrel (us) per day (kbbl (US)/day)cubic meter per hour (m³/h) → barrel (us) per day (bbl (US)/day)cubic meter per hour (m³/h) → barrel (us) per hour (bbl (US)/h)cubic meter per hour (m³/h) → barrel (us) per minute (bbl (US)/min)cubic meter per hour (m³/h) → barrel (us) per second (bbl (US)/s)cubic meter per hour (m³/h) → acre-foot per year (ac-ft/yr)cubic meter per hour (m³/h) → acre-foot per day (ac-ft/day)cubic meter per hour (m³/h) → acre-foot per hour (ac-ft/h)cubic meter per hour (m³/h) → hundred cubic foot per day (100 ft³/day)cubic meter per hour (m³/h) → hundred cubic foot per hour (100 ft³/h)cubic meter per hour (m³/h) → hundred cubic foot per minute (100 ft³/min)cubic meter per hour (m³/h) → fluid ounce (us) per hour (fl oz (US)/h)cubic meter per hour (m³/h) → fluid ounce (us) per minute (fl oz (US)/min)cubic meter per hour (m³/h) → fluid ounce (us) per second (fl oz (US)/s)cubic meter per hour (m³/h) → fluid ounce (uk) per hour (fl oz (UK)/h)cubic meter per hour (m³/h) → fluid ounce (uk) per minute (fl oz (UK)/min)cubic meter per hour (m³/h) → fluid ounce (uk) per second (fl oz (UK)/s)cubic meter per hour (m³/h) → cubic yard per hour (yd³/h)cubic meter per hour (m³/h) → cubic yard per minute (yd³/min)cubic meter per hour (m³/h) → cubic yard per second (yd³/s)cubic meter per hour (m³/h) → cubic foot per hour (ft³/h)cubic meter per hour (m³/h) → cubic foot per minute (cfm) (CFM)cubic meter per hour (m³/h) → cubic foot per second (ft³/s)cubic meter per hour (m³/h) → cubic inch per hour (in³/h)cubic meter per hour (m³/h) → cubic inch per minute (in³/min)cubic meter per hour (m³/h) → cubic inch per second (in³/s)