Convert Gallons per hour to Liters per second
Instantly convert Gallons per hour (GPH) to Liters per second (L/s) with our free online calculator.
Formula: GPH to L/s — multiply by 0.00105151
Reference Table
| Gallons per hour (GPH) | Liters per second (L/s) |
|---|---|
| 1 | 0.00105151 |
| 5 | 0.00525755 |
| 10 | 0.0105151 |
| 25 | 0.0262878 |
| 50 | 0.0525755 |
| 100 | 0.105151 |
How to Convert Gallons per hour to Liters per second
Formula
To convert Gallons per hour (GPH) to Liters per second (L/s): multiply by 0.00105151
Step-by-Step
- Start with your value in Gallons per hour (GPH).
- Multiply by 0.00105151 to perform the conversion.
- The result is your value expressed in Liters per second (L/s).
Conversion Factor
1 GPH = 0.00105151 L/s
Reverse Factor
1 L/s = 951.013 GPH
Worked Example
Convert 25 Gallons per hour to Liters per second: 25 GPH = 0.0262878 L/s
About Gallon per hour (GPH)
A US flow-rate unit (US gallons per hour) used for slow, metered, or steady-state low-flow applications. Common applications: aquarium and pond circulation pumps (a typical canister filter for a 75-gallon aquarium delivers 250-350 GPH), water-feature and fountain recirculators, agricultural drip-irrigation emitters (rated 0.5-4 GPH at design pressure per ASABE EP458), residential oil-burner fuel nozzle ratings (most US oil furnaces use 0.5-2.0 GPH nozzles), commercial fuel-dispensing meters (where GPH is the throughput rating, often combined with a separate gallons-pumped-per-minute peak), and reverse-osmosis water-purification membranes (GPH membrane capacity is the marketing spec on most US residential RO systems). Marine fuel-flow meters typically report consumption in GPH, a useful figure for cruising range and fuel-burn-per-mile calculations. 1 GPH = 0.01667 GPM = 0.0631 L/min = 1.0515 × 10⁻⁶ m³/s.
About Liter per second (L/s)
A metric flow-rate unit equal to exactly 0.001 m³/s. L/s is the typical unit for plumbing fixtures in metric-using countries, the SI-aligned sizing unit for water-supply mains (per ISO 4064 water meter specs and EN 805 European water-supply standard), fire-pump capacities (often dual-listed in L/s and m³/hr on European fire-rated pumps), and medium-flow industrial processes. Reference values: a typical kitchen faucet flows 0.1-0.15 L/s, a metric shower head 0.13-0.20 L/s, a 50 mm domestic-water service ~3-5 L/s, a 100 mm fire-hydrant supply main 30-60 L/s. Converting L/s to GPM (US gallons per minute) is multiply by 15.85 — one of the most-needed unit conversions for buyers of imported European pump/plumbing equipment specifying performance in metric units. 1 L/s = 60 L/min = 3.6 m³/hr.
Quick Facts
- 1 Gallon per hour equals 0.00105151 Liters per second
- 1 Liter per second equals 951.013 Gallons per hour
- Gallon per hour is a unit of volumetric flow rate
- Liter per second is a unit of volumetric flow rate
- This conversion is commonly used in plumbing, HVAC systems, and chemical process engineering
- The Gallon per hour belongs to the imperial system
- The Liter per second belongs to the metric system
Common Gallon per hour to Liter per second Conversions
| Gallons per hour (GPH) | Liters per second (L/s) |
|---|---|
| 0.01 | 0.0000105151 |
| 0.1 | 0.000105151 |
| 0.25 | 0.000262878 |
| 0.5 | 0.000525755 |
| 1 | 0.00105151 |
| 2 | 0.00210302 |
| 3 | 0.00315453 |
| 5 | 0.00525755 |
| 10 | 0.0105151 |
| 15 | 0.0157727 |
| 20 | 0.0210302 |
| 25 | 0.0262878 |
| 50 | 0.0525755 |
| 75 | 0.0788633 |
| 100 | 0.105151 |
| 250 | 0.262877 |
| 500 | 0.525755 |
| 1000 | 1.05151 |
| 5000 | 5.25755 |
| 10000 | 10.5151 |
Understanding Gallons per hour
The Gallon per hour (symbol: GPH) is a unit of volumetric flow rate. A US flow-rate unit (US gallons per hour) used for slow, metered, or steady-state low-flow applications. Common applications: aquarium and pond circulation pumps (a typical canister filter for a 75-gallon aquarium delivers 250-350 GPH), water-feature and fountain recirculators, agricultural drip-irrigation emitters (rated 0.5-4 GPH at design pressure per ASABE EP458), residential oil-burner fuel nozzle ratings (most US oil furnaces use 0.5-2.0 GPH nozzles), commercial fuel-dispensing meters (where GPH is the throughput rating, often combined with a separate gallons-pumped-per-minute peak), and reverse-osmosis water-purification membranes (GPH membrane capacity is the marketing spec on most US residential RO systems). Marine fuel-flow meters typically report consumption in GPH, a useful figure for cruising range and fuel-burn-per-mile calculations. 1 GPH = 0.01667 GPM = 0.0631 L/min = 1.0515 × 10⁻⁶ m³/s.
It belongs to the imperial measurement system.
Gallons per hour are commonly used in plumbing, HVAC systems, and chemical process engineering.
Understanding Liters per second
The Liter per second (symbol: L/s) is a unit of volumetric flow rate. A metric flow-rate unit equal to exactly 0.001 m³/s. L/s is the typical unit for plumbing fixtures in metric-using countries, the SI-aligned sizing unit for water-supply mains (per ISO 4064 water meter specs and EN 805 European water-supply standard), fire-pump capacities (often dual-listed in L/s and m³/hr on European fire-rated pumps), and medium-flow industrial processes. Reference values: a typical kitchen faucet flows 0.1-0.15 L/s, a metric shower head 0.13-0.20 L/s, a 50 mm domestic-water service ~3-5 L/s, a 100 mm fire-hydrant supply main 30-60 L/s. Converting L/s to GPM (US gallons per minute) is multiply by 15.85 — one of the most-needed unit conversions for buyers of imported European pump/plumbing equipment specifying performance in metric units. 1 L/s = 60 L/min = 3.6 m³/hr.
It belongs to the metric measurement system.
Liters per second are commonly used in plumbing, HVAC systems, and chemical process engineering.
Why Convert Gallons per hour to Liters per second?
Converting between Gallons per hour and Liters per second is a frequent requirement for engineers, scientists, and students working with volumetric flow rate values. Different industries and regions favour different unit systems, so having a dependable conversion tool saves time and prevents errors in technical calculations. Whether you are verifying a specification sheet, cross-checking simulation results, or preparing a report for an international audience, accurate volumetric flow rate conversion is essential.
Frequently Asked Questions
How do I convert Gallons per hour to Liters per second?
A US flow-rate unit (US gallons per hour) used for slow, metered, or steady-state low-flow applications. To convert Gallons per hour to Liters per second, multiply by 0.00105151. For example, 25 GPH equals 0.0262878 L/s.
How many Liters per second are in 1 Gallon per hour?
There are 0.00105151 Liters per second in 1 Gallon per hour.
How many Gallons per hour are in 1 Liter per second?
There are 951.013 Gallons per hour in 1 Liter per second.
What is the formula for Gallon per hour to Liter per second conversion?
The formula is: multiply by 0.00105151. This means 1 GPH = 0.00105151 L/s.
Is a Gallon per hour bigger than a Liter per second?
Yes. One Gallon per hour is larger than one Liter per second because 1 GPH equals 0.00105151 L/s, which is less than 1.
When do you need to convert between Gallons per hour and Liters per second?
A metric flow-rate unit equal to exactly 0. Gallon per hour and Liter per second are both volumetric flow units, so conversion comes up whenever one source of information uses one unit and another uses the other — a classic cross-reference challenge in engineering, trade, travel, and everyday life.