L/h to GPM Online Converter – Flow Rate Conversion

This online converter allows users to quickly and accurately convert between liters per hour (L/h) and gallons per minute (GPM). It is a practical tool for anyone working with flow rates, whether in industrial settings, plumbing, or fluid dynamics. The calculator works both ways, converting from liters per hour to gallons per minute and vice versa.

How to Use the Calculator

To use this converter, simply enter the value in liters per hour (L/h) in the input field provided. The corresponding value in gallons per minute (GPM) will be automatically calculated and displayed in the output field. If you need to convert from gallons per minute to liters per hour, enter the value in GPM, and the tool will calculate the equivalent in L/h.

Formula Used

The formula used for converting liters per hour to gallons per minute is:

Gallons per Minute (GPM) = Liters per Hour (L/h) × 0.00440287

For reverse conversion, divide the gallons per minute by 0.00440287 to get the value in liters per hour.

Precalculated Values

Here are some common real-world examples of flow rates:

• 10 L/h = 0.0440 GPM – A low flow rate often found in small-scale irrigation systems.
• 50 L/h = 0.2201 GPM – Typical flow rate for a small fountain pump.
• 100 L/h = 0.4403 GPM – Often used in home water filtration systems.
• 500 L/h = 2.2014 GPM – Found in larger residential water supply systems.
• 1000 L/h = 4.4029 GPM – Common in medium-sized garden watering systems.
• 5000 L/h = 22.014 GPM – Industrial-scale flow rate, such as in cooling systems.
• 10000 L/h = 44.029 GPM – Used in large-scale irrigation or industrial processes.

History and Interesting Facts

The gallon, a unit used in the United States, has its roots in the medieval wine trade in England. Originally, there were several gallon definitions based on the commodity being measured. The liter, however, is a metric unit introduced in France during the 18th century as part of the metric system. While gallons per minute is still widely used in the United States, liters per hour is the standard in most other countries, making this conversion essential for international projects and industries.

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