Liter/Hour to Gallon (US)/Hour Converter
Convert Liter/Hour (L/h) to Gallon (US)/Hour (gph) instantly. 1 L/h = 0.264172 gph.
Flow Rate Converter
14 units available
1 L/h = 0.264172 gph
Formula:
gph = L/h × 0.2641720524With your value: 1 L/h = 0.26417205 gph
Other Liter/Hour to Gallon (US)/Hour conversions
Liter/Hour to Gallon (US)/Hour Conversion Table
| Liter/Hour (L/h) | Gallon (US)/Hour (gph) |
|---|---|
| 0.5 | 0.132086 |
| 1 | 0.264172 |
| 2 | 0.528344 |
| 5 | 1.32086 |
| 10 | 2.641721 |
| 15 | 3.962581 |
| 20 | 5.283441 |
| 25 | 6.604301 |
| 50 | 13.208603 |
| 100 | 26.417205 |
| 250 | 66.043013 |
| 500 | 132.086026 |
| 1000 | 264.172052 |
Gallon (US)/Hour to Liter/Hour Conversion Table
| Gallon (US)/Hour (gph) | Liter/Hour (L/h) |
|---|---|
| 0.5 | 1.892706 |
| 1 | 3.785412 |
| 2 | 7.570824 |
| 5 | 18.927059 |
| 10 | 37.854118 |
| 15 | 56.781177 |
| 20 | 75.708236 |
| 25 | 94.635295 |
| 50 | 189.270589 |
| 100 | 378.541178 |
| 250 | 946.352946 |
| 500 | 1,892.705891 |
| 1000 | 3,785.411783 |
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.
Liter/Hour (L/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 Liter/Hour to Gallon (US)/Hour
To convert from Liter/Hour (L/h) to Gallon (US)/Hour (gph), multiply the value by 0.2641720524.
Formula: gph = L/h × 0.2641720524
Reverse: L/h = gph × 3.7854117828
Step-by-Step Example
- Start with your value in Liter/Hour. For example: 5 L/h
- Multiply by the conversion factor: 5 x 0.2641720524
- The result is: 1.32086 gph
About Liter/Hour
The liter/hour (L/h) is a unit of flow rate. One liter/hour equals 2.777778 × 10^-7 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 Liter/Hour?
There are exactly 0.2641720524 Gallon (US)/Hour in 1 Liter/Hour. This means the conversion factor from Liter/Hour to Gallon (US)/Hour is 0.2641720524.
What is the formula to convert Liter/Hour to Gallon (US)/Hour?
The formula to convert Liter/Hour to Gallon (US)/Hour is: gph = L/h × 0.2641720524. For example, to convert 10 Liter/Hour to Gallon (US)/Hour, you would multiply 10 by 0.2641720524.
What is a Liter/Hour?
The liter/hour (L/h) is a unit of flow rate. One liter/hour equals 2.777778 × 10^-7 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 Liter/Hour?
The Liter/Hour is commonly used in flow rate calculations, engineering and science, education.
Related Flow Rate Conversions
Cite this page
UnitConvertLab. (2026). Liter/Hour to Gallon (US)/Hour converter. UnitConvertLab. Retrieved from https://unitconvertlab.com/convert/liter_per_hour-to-gph_us