ΣMyCalc
ΣMyCalc

Flow Rate Converter

Convert between L/s, L/min, m³/h, gal/min, gal/hour, and other flow rate units.

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Conversion Result

1 Liters/Minute (L/min)

→

0.26417257

US Gallons/Minute (GPM)

💧 Flow Rate References

1 L/min = 0.264 GPM

1 GPM = 3.785 L/min

1 m³/h = 16.67 L/min

1 CFM = 0.4719 L/min

🚰 Typical Flow Rates

Shower: 7.6 L/min (2 GPM)

Kitchen tap: 12-15 L/min (3-4 GPM)

Fire hose: 600+ L/min (160+ GPM)

Home HVAC: 1,000-5,000 CFM

How to Use the Flow Rate Calculator

Enter a flow rate value, select the current unit (L/s, L/min, GPM, m³/h, CFM, etc.), choose your target unit, and get instant conversion. Essential for water systems, HVAC, and plumbing.

Formula

All flow rates convert through liters per second (base unit). value_in_l_s = input × from_factor; result = value_in_l_s ÷ to_factor.

History & Interesting Facts

💡 Did You Know?

A typical shower uses 5-10 liters per minute (1.3-2.6 GPM). Water-efficient showerheads use 6 L/min or less.

Origin & History

Flow rate measurements evolved with plumbing and engineering. GPM is standard in USA, while L/min is metric standard.

Fascinating Facts

  • 1

    US shower: 7.6 L/min typical (2 GPM standard)

  • 2

    Tap water: 5-15 L/min typical

  • 3

    Fire hydrant: 600+ L/min (160+ GPM)

  • 4

    HVAC ducts: Often measured in CFM (cubic feet per minute)

  • 5

    Irrigation: Often measured in gallons per hour

  • 6

    Industrial: Often measured in m³/h or L/s

Frequently Asked Questions

What is GPM?

GPM is gallons per minute, a common US measurement of flow rate. 1 GPM = 3.785 liters per minute.

How much water does a shower use?

A typical shower uses 7.6-15 L/min (2-4 GPM). Modern low-flow showerheads use 6 L/min (1.5 GPM) or less.

What is CFM in HVAC?

CFM is cubic feet per minute. A typical home HVAC system moves 1,000-5,000 CFM depending on size and capacity.

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