1 gallon (US) per hour [gal/h] = 3.785412 liter per hour [L/h]
Example: 1 gallon (US) per hour [gal/h] equals 3.785412 liter per hour [L/h].
Examples
1 gallon (US) per hour [gal/h] = 3.785412 liter per hour [L/h]
2 gallon (US) per hour [gal/h] = 7.570824 liter per hour [L/h]
5 gallon (US) per hour [gal/h] = 18.927059 liter per hour [L/h]
10 gallon (US) per hour [gal/h] = 37.854118 liter per hour [L/h]
20 gallon (US) per hour [gal/h] = 75.708236 liter per hour [L/h]
25 gallon (US) per hour [gal/h] = 94.635295 liter per hour [L/h]
Practical Uses for gallon us per hour to liter per hour
quick homework checksshopping and product comparisonstravel planningprofessional estimatesDIY and household measurementsgeneral reference
Sources and Accuracy
Flow rate conversions use cubic meter per second as the reference unit and include common pump, plumbing, HVAC, and process-flow units.
Displayed results are rounded for readability. The calculator keeps enough precision for everyday use and switches to scientific notation for very large or very small values. Last reviewed: 2026-05-21.
About These Units
gallon (US) per hour [gal/h]
Definition
The gallon (US) per hour (gal/h) is a flow rate unit used to express measurements in this converter.
History
This unit is included because it appears in practical measurement systems, technical references, product specifications, or everyday conversion needs.
Current use
Use gallon (US) per hour when comparing flow rate values, checking specifications, converting between systems, or preparing quick estimates.
liter per hour [L/h]
Definition
The liter per hour (L/h) is a flow rate unit used to express measurements in this converter.
History
This unit is included because it appears in practical measurement systems, technical references, product specifications, or everyday conversion needs.
Current use
Use liter per hour when comparing flow rate values, checking specifications, converting between systems, or preparing quick estimates.
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How to Convert
Enter the value in the “From value” field.
Confirm the source unit is gallon (US) per hour [gal/h].