Cubic Meter/Hour to Gallon (US)/Hour Converter
Convert Cubic Meter/Hour (m³/h) to Gallon (US)/Hour (gph) instantly. 1 m³/h = 264.172052 gph.
Flow Rate Converter
14 units available
1 m³/h = 264.172052 gph
Formula:
gph = m³/h × 264.1720524419With your value: 1 m³/h = 264.17205244 gph
Other Cubic Meter/Hour to Gallon (US)/Hour conversions
Cubic Meter/Hour to Gallon (US)/Hour Conversion Table
| Cubic Meter/Hour (m³/h) | Gallon (US)/Hour (gph) |
|---|---|
| 0.5 | 132.086026 |
| 1 | 264.172052 |
| 2 | 528.344105 |
| 5 | 1,320.860262 |
| 10 | 2,641.720524 |
| 15 | 3,962.580787 |
| 20 | 5,283.441049 |
| 25 | 6,604.301311 |
| 50 | 13,208.602622 |
| 100 | 26,417.205244 |
| 250 | 66,043.01311 |
| 500 | 132,086.026221 |
| 1000 | 264,172.052442 |
Gallon (US)/Hour to Cubic Meter/Hour Conversion Table
| Gallon (US)/Hour (gph) | Cubic Meter/Hour (m³/h) |
|---|---|
| 0.5 | 0.001893 |
| 1 | 0.003785 |
| 2 | 0.007571 |
| 5 | 0.018927 |
| 10 | 0.037854 |
| 15 | 0.056781 |
| 20 | 0.075708 |
| 25 | 0.094635 |
| 50 | 0.189271 |
| 100 | 0.378541 |
| 250 | 0.946353 |
| 500 | 1.892706 |
| 1000 | 3.785412 |
Where these values come from
Every factor on this page is traced to the document that defines it. See the full provenance dataset or our methodology.
Cubic Meter/Hour (m³/h)
Flow Rate
Derived quantity: a defined volume divided by a defined time interval (m³/s). All listed units are exact multiples of the cubic metre per second.
Source: ISO 80000, Quantities and units (all parts)
International Organization for Standardization · Reviewed 2026-07-01
Gallon (US)/Hour (gph)
Flow Rate
Derived quantity: a defined volume divided by a defined time interval (m³/s). All listed units are exact multiples of the cubic metre per second.
Source: ISO 80000, Quantities and units (all parts)
International Organization for Standardization · Reviewed 2026-07-01
How to Convert Cubic Meter/Hour to Gallon (US)/Hour
To convert from Cubic Meter/Hour (m³/h) to Gallon (US)/Hour (gph), multiply the value by 264.1720524419.
Formula: gph = m³/h × 264.1720524419
Reverse: m³/h = gph × 0.0037854118
Step-by-Step Example
- Start with your value in Cubic Meter/Hour. For example: 5 m³/h
- Multiply by the conversion factor: 5 x 264.1720524419
- The result is: 1,320.860262 gph
About Cubic Meter/Hour
The cubic meter/hour (m³/h) is a unit of flow rate. One cubic meter/hour equals 0.0002777777778 base units. UnitConvertLab converts it against every other flow rate unit using this exact definition, so results are reproducible to full double precision rather than rounded lookup tables.
Common uses: flow rate calculations, engineering and science, education.
About Gallon (US)/Hour
The gallon (us)/hour (gph) is a unit of flow rate. One gallon (us)/hour equals 1.051503 × 10^-6 base units. UnitConvertLab converts it against every other flow rate unit using this exact definition, so results are reproducible to full double precision rather than rounded lookup tables.
Common uses: flow rate calculations, engineering and science, education.
Frequently Asked Questions
How many Gallon (US)/Hour are in 1 Cubic Meter/Hour?
There are exactly 264.1720524419 Gallon (US)/Hour in 1 Cubic Meter/Hour. This means the conversion factor from Cubic Meter/Hour to Gallon (US)/Hour is 264.1720524419.
What is the formula to convert Cubic Meter/Hour to Gallon (US)/Hour?
The formula to convert Cubic Meter/Hour to Gallon (US)/Hour is: gph = m³/h × 264.1720524419. For example, to convert 10 Cubic Meter/Hour to Gallon (US)/Hour, you would multiply 10 by 264.1720524419.
What is a Cubic Meter/Hour?
The cubic meter/hour (m³/h) is a unit of flow rate. One cubic meter/hour equals 0.0002777777778 base units. UnitConvertLab converts it against every other flow rate unit using this exact definition, so results are reproducible to full double precision rather than rounded lookup tables.
What is a Gallon (US)/Hour?
The gallon (us)/hour (gph) is a unit of flow rate. One gallon (us)/hour equals 1.051503 × 10^-6 base units. UnitConvertLab converts it against every other flow rate unit using this exact definition, so results are reproducible to full double precision rather than rounded lookup tables.
What are the common uses of Cubic Meter/Hour?
The Cubic Meter/Hour is commonly used in flow rate calculations, engineering and science, education.
Related Flow Rate Conversions
Cite this page
UnitConvertLab. (2026). Cubic Meter/Hour to Gallon (US)/Hour converter. UnitConvertLab. Retrieved from https://unitconvertlab.com/convert/m3_per_hour-to-gph_us