Flow Rate Converter
Convert between L/s, GPM, m³/hr, CFM, and more.
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Flow rate = volume/time. L/s and m³/hr (metric), GPM (US), CFM (HVAC air flow).
Plumbing and Water Supply
Residential: 0.3–0.5 L/s per fixture. Shower: 0.15–0.2 L/s (9–12 L/min).
HVAC Air Flow
Residential AC: 400–800 CFM. 1 CFM = 0.4719 L/s.
How to Use This Calculator
- Select 'Flow Rate'
Choose the category from the dropdown.
- Select your source unit
Pick the unit you're converting from.
- Enter the value
Type the number. Results update instantly.
- Select your target unit
Choose the unit you need.
Applications
Plumbing Design
Domestic water main: 0.5–1.0 L/s (8–16 GPM). Convert for US equipment.
Irrigation
Agricultural sprinkler: 0.5–2.0 L/s. Convert for US irrigation equipment.
Process Engineering
Chemical plants specify in m³/hr or L/s. Convert for equipment selection.
Industrial Processes
Our flow rate converter tool is particularly useful in industrial processes such as chemical processing, water treatment, and oil refining. For example, a manufacturer of chemicals may need to convert flow rates from liters per minute to gallons per minute for a specific process. Our tool makes this conversion easy and accurate.
Frequently Asked Questions
How do you convert L/s to GPM?
Multiply by 15.8503. 2 L/s = 31.7 GPM.
How do you convert GPM to L/min?
Multiply by 3.7854. 10 GPM = 37.85 L/min.
How do you convert CFM to L/s?
Multiply by 0.4719. 500 CFM = 236.0 L/s.
Can I convert flow rates between different pressure conditions?
Yes, our flow rate converter tool allows you to convert flow rates at different pressures. Simply select the appropriate pressure units (e.g. pounds per square inch) and enter the desired conversion value.
How do I convert a flow rate from one unit to another using the formula?
Our flow rate converter tool provides a simple formula for converting flow rates between different units. For example, to convert liters per second (L/s) to gallons per minute (GPM), you can use the formula: GPM = L/s x 0.064.