Gallon (US)/Hour to Liter/Second Converter

Flow Rate Converter

14 units available

Decimals:

From

To

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/s 3 gph to L/s 4 gph to L/s 5 gph to L/s 6 gph to L/s 7 gph to L/s 8 gph to L/s

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

Gallon (US)/Hour (gph)	Liter/Second (L/s)
0.5	0.000526
1	0.001052
2	0.002103
5	0.005258
10	0.010515
15	0.015773
20	0.02103
25	0.026288
50	0.052575
100	0.10515
250	0.262876
500	0.525752
1000	1.051503

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

Liter/Second (L/s)	Gallon (US)/Hour (gph)
0.5	475.509694
1	951.019389
2	1,902.038778
5	4,755.096944
10	9,510.193888
15	14,265.290832
20	19,020.387776
25	23,775.48472
50	47,550.96944
100	95,101.938879
250	237,754.847198
500	475,509.694395
1000	951,019.388791

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

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

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.

About Liter/Second

The liter/second (L/s) is a unit of flow rate. One liter/second equals 0.001 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 Liter/Second are in 1 Gallon (US)/Hour?

There are exactly 0.0010515033 Liter/Second 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)/Hour to Liter/Second, you would multiply 10 by 0.0010515033.

What is a Gallon (US)/Hour?