Convert Gallons per hour to Cubic meters per second
Instantly convert Gallons per hour (GPH) to Cubic meters per second (m³/s) with our free online calculator.
Formula: GPH to m³/s — multiply by 1.0515e-6
Reference Table
| Gallons per hour (GPH) | Cubic meters per second (m³/s) |
|---|---|
| 1 | 0.00000105151 |
| 5 | 0.00000525755 |
| 10 | 0.0000105151 |
| 25 | 0.0000262878 |
| 50 | 0.0000525755 |
| 100 | 0.000105151 |
How to Convert Gallons per hour to Cubic meters per second
Formula
To convert Gallons per hour (GPH) to Cubic meters per second (m³/s): multiply by 1.0515e-6
Step-by-Step
- Start with your value in Gallons per hour (GPH).
- Multiply by 1.0515e-6 to perform the conversion.
- The result is your value expressed in Cubic meters per second (m³/s).
Conversion Factor
1 GPH = 0.00000105151 m³/s
Reverse Factor
1 m³/s = 951013 GPH
Worked Example
Convert 25 Gallons per hour to Cubic meters per second: 25 GPH = 0.0000262878 m³/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 Cubic meter per second (m³/s)
The SI unit of volumetric flow rate (ISO 80000-4 §4-30) — the volume of fluid passing a fixed cross-section per unit time. m³/s is the universal unit in fluid-dynamics research (Reynolds and Navier-Stokes work), large-pipeline engineering (offshore oil-export risers, district-energy distribution mains), river and flood hydrology (where it is conventionally called the "cumec" — for "cubic meter per second" — in technical writing), large-scale wastewater treatment, and industrial process flow simulation (Aspen HYSYS, CHEMCAD, OLGA). Reference scale: the Amazon River average discharge is ~209,000 m³/s, the Mississippi ~16,800 m³/s, a major dam spillway flood release ~5,000-15,000 m³/s. Most practical applications use smaller units (L/s, m³/hr, GPM) because m³/s values are typically very small for human-scale equipment — a household faucet is ~0.0002 m³/s. Converting to gallons per minute (US): multiply by 15,850. Converting to L/s: multiply by 1,000.
Quick Facts
- 1 Gallon per hour equals 0.00000105151 Cubic meters per second
- 1 Cubic meter per second equals 951013 Gallons per hour
- Gallon per hour is a unit of volumetric flow rate
- Cubic meter 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 Cubic meter per second belongs to the metric system
Common Gallon per hour to Cubic meter per second Conversions
| Gallons per hour (GPH) | Cubic meters per second (m³/s) |
|---|---|
| 0.01 | 1.051510e-8 |
| 0.1 | 1.051510e-7 |
| 0.25 | 2.628775e-7 |
| 0.5 | 5.257550e-7 |
| 1 | 0.00000105151 |
| 2 | 0.00000210302 |
| 3 | 0.00000315453 |
| 5 | 0.00000525755 |
| 10 | 0.0000105151 |
| 15 | 0.0000157727 |
| 20 | 0.0000210302 |
| 25 | 0.0000262878 |
| 50 | 0.0000525755 |
| 75 | 0.0000788633 |
| 100 | 0.000105151 |
| 250 | 0.000262878 |
| 500 | 0.000525755 |
| 1000 | 0.00105151 |
| 5000 | 0.00525755 |
| 10000 | 0.0105151 |
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 Cubic meters per second
The Cubic meter per second (symbol: m³/s) is a unit of volumetric flow rate. The SI unit of volumetric flow rate (ISO 80000-4 §4-30) — the volume of fluid passing a fixed cross-section per unit time. m³/s is the universal unit in fluid-dynamics research (Reynolds and Navier-Stokes work), large-pipeline engineering (offshore oil-export risers, district-energy distribution mains), river and flood hydrology (where it is conventionally called the "cumec" — for "cubic meter per second" — in technical writing), large-scale wastewater treatment, and industrial process flow simulation (Aspen HYSYS, CHEMCAD, OLGA). Reference scale: the Amazon River average discharge is ~209,000 m³/s, the Mississippi ~16,800 m³/s, a major dam spillway flood release ~5,000-15,000 m³/s. Most practical applications use smaller units (L/s, m³/hr, GPM) because m³/s values are typically very small for human-scale equipment — a household faucet is ~0.0002 m³/s. Converting to gallons per minute (US): multiply by 15,850. Converting to L/s: multiply by 1,000.
It belongs to the metric measurement system.
Cubic meters per second are commonly used in plumbing, HVAC systems, and chemical process engineering.
Why Convert Gallons per hour to Cubic meters per second?
Converting between Gallons per hour and Cubic meters 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 Cubic meters 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 Cubic meters per second, multiply by 1.0515e-6. For example, 25 GPH equals 0.0000262878 m³/s.
How many Cubic meters per second are in 1 Gallon per hour?
There are 0.00000105151 Cubic meters per second in 1 Gallon per hour.
How many Gallons per hour are in 1 Cubic meter per second?
There are 951013 Gallons per hour in 1 Cubic meter per second.
What is the formula for Gallon per hour to Cubic meter per second conversion?
The formula is: multiply by 1.0515e-6. This means 1 GPH = 0.00000105151 m³/s.
Is a Gallon per hour bigger than a Cubic meter per second?
Yes. One Gallon per hour is larger than one Cubic meter per second because 1 GPH equals 0.00000105151 m³/s, which is less than 1.
When do you need to convert between Gallons per hour and Cubic meters per second?
The SI unit of volumetric flow rate (ISO 80000-4 §4-30) — the volume of fluid passing a fixed cross-section per unit time. Gallon per hour and Cubic meter 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.