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    Flow Rate Conversion

    Gallon (US)/Hour to Liter/Second Converter

    Quick answer

    To convert Gallon (US)/Hours to Liter/Seconds, multiply by 0.0010515033 (or divide by 951.0193887908). Therefore, 1 Gallon (US)/Hour (gph) equals 0.0010515 Liter/Seconds (L/s).

    Formula: L/s = gph × 0.0010515033. Worked example: 10 gph = 0.010515 L/s.

    Convert Gallon (US)/Hour (gph) to Liter/Second (L/s) online with our free unit converter. In flow rate, 1 gph = 0.001052 L/s. Explore step-by-step conversion steps, mathematical formulas, and quick conversion reference tables below.

    Worked example: converting Gallon (US)/Hour to Liter/Second

    1. Step 1 — start with the formula. L/s = gph × 0.0010515033
    2. Step 2 — substitute your figure. 10 gph × 0.0010515033
    3. Step 3 — read the result. 10 gph = 0.010515 L/s
    4. Step 4 — check it in reverse. gph = L/s × 951.0193887908 returns 10 gph, which matches the figure you started with.

    Flow Rate Converter

    14 units available

    Decimals:
    0.001052

    1 gph = 0.001052 L/s

    Formula:

    L/s = gph × 0.0010515033

    With your value: 1 gph = 0.0010515 L/s

    Other Gallon (US)/Hour to Liter/Second conversions

    2 gph to L/s3 gph to L/s4 gph to L/s5 gph to L/s6 gph to L/s7 gph to L/s8 gph to L/s

    Gallon (US)/Hour to Liter/Second Conversion Table

    Gallon (US)/Hour (gph)Liter/Second (L/s)
    0.50.000526
    10.001052
    20.002103
    50.005258
    100.010515
    150.015773
    200.02103
    250.026288
    500.052575
    1000.10515
    2500.262876
    5000.525752
    10001.051503

    Liter/Second to Gallon (US)/Hour Conversion Table

    Liter/Second (L/s)Gallon (US)/Hour (gph)
    0.5475.509694
    1951.019389
    21,902.038778
    54,755.096944
    109,510.193888
    1514,265.290832
    2019,020.387776
    2523,775.48472
    5047,550.96944
    10095,101.938879
    250237,754.847198
    500475,509.694395
    1000951,019.388791

    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.

    Gallon (US)/Hour (gph)

    Flow Rate

    Exact conversion

    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

    Liter/Second (L/s)

    Flow Rate

    Exact conversion

    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 Gallon (US)/Hour to Liter/Second

    To convert from Gallon (US)/Hour (gph) to Liter/Second (L/s), multiply the value by 0.0010515033.

    Formula: L/s = gph × 0.0010515033

    Reverse: gph = L/s × 951.0193887908

    Step-by-Step Example

    1. Start with your value in Gallon (US)/Hour. For example: 5 gph
    2. Multiply by the conversion factor: 5 x 0.0010515033
    3. The result is: 0.005258 L/s

    Gallon (US)/Hour and Liter/Second Relationship

    This calculation facilitates standardized conversion between recognized units of flow rate. Since 1 Gallon (US)/Hour represents a fraction of a Liter/Second (1 Liter/Second ≈ 951.0194 Gallon (US)/Hours), the Liter/Second is the larger measurement interval. Understanding the relationship between Gallon (US)/Hour and Liter/Second is essential for accurate calculations in physics, engineering, commerce, and daily applications.

    About Gallon (US)/Hour

    The Gallon (US)/Hour (symbol: gph) is a recognized unit in the Standard measurement framework, utilized within flow rate applications for precision and standardized data representation.

    Common uses of Gallon (US)/Hour: flow rate calculations, engineering and science, education.

    About Liter/Second

    The Liter/Second (symbol: L/s) is a recognized unit in the Metric (SI) measurement framework, utilized within flow rate applications for precision and standardized data representation.

    Common uses of Liter/Second: flow rate calculations, engineering and science, education.

    Frequently Asked Questions

    How many Liter/Seconds are in 1 Gallon (US)/Hour?
    There are exactly 0.0010515033 Liter/Seconds in 1 Gallon (US)/Hour. This means the conversion factor from Gallon (US)/Hour to Liter/Second is 0.0010515033.
    What is the formula to convert Gallon (US)/Hour to Liter/Second?
    The formula to convert Gallon (US)/Hour to Liter/Second is: L/s = gph × 0.0010515033. For example, to convert 10 Gallon (US)/Hours to Liter/Seconds, you would multiply 10 by 0.0010515033.
    What is a Gallon (US)/Hour?
    The Gallon (US)/Hour (symbol: gph) is a recognized unit in the Standard measurement framework, utilized within flow rate applications for precision and standardized data representation.
    What is a Liter/Second?
    The Liter/Second (symbol: L/s) is a recognized unit in the Metric (SI) measurement framework, utilized within flow rate applications for precision and standardized data representation.
    What are the common uses of Gallon (US)/Hour?
    The Gallon (US)/Hour is commonly used in flow rate calculations, engineering and science, education.

    Related Flow Rate Conversions

    Cubic Meter/Second → Liter/SecondCubic Meter/Hour → Liter/SecondLiter/Minute → Liter/SecondLiter/Hour → Liter/SecondMilliliter/Minute → Liter/SecondGallon (US)/Minute → Liter/SecondGallon (US)/Hour → Cubic Meter/SecondGallon (US)/Hour → Cubic Meter/HourGallon (US)/Hour → Liter/Minute

    Cite this page

    UnitConvertLab. (2026). Gallon (US)/Hour to Liter/Second converter. UnitConvertLab. Retrieved from https://unitconvertlab.com/convert/gph_us-to-liter_per_second