FLUIDS
Volume flow
Volumetric flow for pipes, ducts and pumps.
Try a decimal, 1e-9, 1/3, or 5 1/2.
Result0.00378541 m³/h1 gph US = 0.00378541 m³/h
EVERYDAY · ENGINEERING · SCIENCE
gph US to m³/h Converter
Convert U.S. gallon per hour (gph US) to cubic metre per hour (m³/h). Enter a value for an instant result, or use the examples and reverse conversion below.
520units ready to convert
HOW IT IS CALCULATED
Convert through cubic metre per second
Enter a U.S. gallon per hour value to calculate cubic metre per hour with full internal precision before display rounding.
Display PrecisionAuto · 6 significant digits
Auto trims unnecessary zeroes and uses scientific notation for extreme magnitudes. Use Digits to set the display precision; calculations retain full precision.
QUICK REFERENCE
All units in this quantity
| Unit | Symbol | Converted value |
|---|---|---|
| cubic metre per secondfrom gph US | m³/s | 0.0000010515 |
| cubic metre per minutefrom gph US | m³/min | 0.0000630902 |
| cubic metre per hourfrom gph US | m³/h | 0.00378541 |
| litre per secondfrom gph US | L/s | 0.0010515 |
| litre per minutefrom gph US | L/min | 0.0630902 |
| litre per hourfrom gph US | L/h | 3.78541 |
| millilitre per minutefrom gph US | mL/min | 63.0902 |
| cubic foot per secondfrom gph US | ft³/s | 0.0000371335 |
| cubic foot per minutefrom gph US | cfm | 0.00222801 |
| U.S. gallon per minutefrom gph US | gpm US | 0.0166667 |
| U.S. gallon per hourfrom gph US | gph US | 1 |
| Imperial gallon per minutefrom gph US | gpm Imp | 0.0138779 |
| oil barrel per dayfrom gph US | bbl/d | 0.571429 |
SI symbols follow international notation. U.S. and Imperial measures are labelled separately where their values differ.
gph US to m³/h Conversion Reference
U.S. Gallon Per Hour (gph US) and cubic metre per hour (m³/h) are units of volume flow. Use this page to convert in either direction.
Conversion Examples
| U.S. Gallon Per Hour (gph US) | Cubic Metre Per Hour (m³/h) |
|---|---|
| 1 gph US | 0.00378541 m³/h |
| 5 gph US | 0.0189271 m³/h |
| 10 gph US | 0.0378541 m³/h |
| 100 gph US | 0.378541 m³/h |
Examples are rounded to 6 significant digits. The interactive converter retains full calculation precision; change Display Precision to see more digits.
Reverse Conversion
m³/h to gph US (cubic metre per hour to U.S. gallon per hour)
Related Volume flow Conversions
gph US to m³/s (U.S. gallon per hour to cubic metre per second)gph US to m³/min (U.S. gallon per hour to cubic metre per minute)gph US to L/s (U.S. gallon per hour to litre per second)gph US to L/min (U.S. gallon per hour to litre per minute)gph US to L/h (U.S. gallon per hour to litre per hour)gph US to mL/min (U.S. gallon per hour to millilitre per minute)gph US to ft³/s (U.S. gallon per hour to cubic foot per second)gph US to cfm (U.S. gallon per hour to cubic foot per minute)gph US to gpm US (U.S. gallon per hour to U.S. gallon per minute)gph US to gpm Imp (U.S. gallon per hour to Imperial gallon per minute)gph US to bbl/d (U.S. gallon per hour to oil barrel per day)