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Flow Rate Converter – 9 units of flow rate

Convert flow rate between l/min, gpm, cfm, m³/h, l/s, ft³/s and more – exact and instant.

1 l/min = 0.2641720524 gpm

Formula: gpm = l/min × 0.2641720524

Common values
Decimals
In every unit 9 units
Cubic meter per second (m³/s) 0.00001666666667 m³/s
Cubic meter per hour (m³/h) 0.06 m³/h
Liter per second (l/s) 0.01666666667 l/s
Liter per minute (l/min) 1 l/min
Liter per hour (l/h) 60 l/h
Gallon per minute (US) (gpm) 0.2641720524 gpm
Gallon per hour (US) (gph) 15.85032314 gph
Cubic foot per minute (cfm) 0.03531466672 cfm
Cubic foot per second (ft³/s) 0.0005885777787 ft³/s

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If you continue, the file is uploaded over an encrypted connection and converted on our server. You can keep using the site meanwhile. The original is deleted as soon as it is converted; the result is kept for 6 hours so you can download it, and you can delete it at any time. Files are never shared or used for anything else.

Calculated in your browser – nothing you type is sent anywhere. Privacy details

Units of flow rate

Cubic meter per second (m³/s)SI (metric) unit
Cubic meter per hour (m³/h)metric unit accepted with the SI1 m³/h = 0.0002777777778 m³/s
Liter per second (l/s)metric unit accepted with the SI1 l/s = 0.001 m³/s
Liter per minute (l/min)metric unit accepted with the SI1 l/min = 0.00001666666667 m³/s
Liter per hour (l/h)metric unit accepted with the SI1 l/h = 2.777777778 × 10⁻⁷ m³/s
Gallon per minute (US) (gpm)US customary unit1 gpm = 0.0000630901964 m³/s
Gallon per hour (US) (gph)US customary unit1 gph = 0.000001051503273 m³/s
Cubic foot per minute (cfm)imperial and US customary unit1 cfm = 0.0004719474432 m³/s
Cubic foot per second (ft³/s)imperial and US customary unit1 ft³/s = 0.02831684659 m³/s

How to use: Flow Rate Converter

  1. 1 Pick the unit you have and the unit you need.
  2. 2 Type the value – the result in the other unit appears at once (type in the result field to convert back).
  3. 3 Use a common value, set the decimals or swap the units with one click.
  4. 4 Open “In every unit” to see the value in all 9 units of flow rate.

About this tool

Flow rate is the volume of liquid or gas passing per unit of time – pumps, taps and fans are rated in litres per minute, cubic metres per hour, US gallons per minute or cubic feet per minute.

Here every value is converted through the cubic meter per second (m³/s). Choose any two of the 9 units below the converter, or start from one of the popular conversions.

Calculated in your browser – nothing you type is sent anywhere.

Frequently asked questions

Which units of flow rate can I convert?

Cubic meter per second (m³/s), Cubic meter per hour (m³/h), Liter per second (l/s), Liter per minute (l/min), Liter per hour (l/h), Gallon per minute (US) (gpm), Gallon per hour (US) (gph), Cubic foot per minute (cfm) and Cubic foot per second (ft³/s).

Which flow rate conversions are used most?

1 l/min = 0.2641720524 gpm; 1 cfm = 1.699010796 m³/h; 1 m³/h = 0.2777777778 l/s; 1 ft³/s = 0.02831684659 m³/s; 1 gph = 3.785411784 l/h.

How exact is the converter?

Each unit is defined by its official value in m³/s, so conversions are exact up to the 10 significant digits shown; you can round to 0–6 decimals.

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