Flow-Rate Unit Converter


Enter a value and select a starting unit to see all available conversion results.

Flow-Rate Units and Descriptions

Below are descriptions and historical context for each Flow-Rate unit available in this converter.

Cubic Millimeter per Second (mm³/s)

Cubic millimeter per second, used for micro-fluidics and precision dosing applications.

Cubic Centimeter per Second (cm³/s)

Cubic centimeter per second, common in laboratory and small-scale fluid measurements.

Liter per Second (L/s)

Liter per second, standard for water flow measurements in plumbing and irrigation systems.

Liter per Minute (L/min)

Liter per minute, widely used in medical equipment, pumps, and automotive fuel systems.

Liter per Hour (L/h)

Liter per hour, used for slow flow applications like IV drips and chemical dosing.

Cubic Meter per Second (m³/s)

Cubic meter per second, SI base unit for large-scale flow measurements like rivers and industrial processes.

Cubic Meter per Minute (m³/min)

Cubic meter per minute, common in industrial ventilation and large pump specifications.

Cubic Meter per Hour (m³/h)

Cubic meter per hour, standard in European HVAC and industrial process specifications.

Cubic Inch per Second (in³/s)

Cubic inch per second, used in small-scale mechanical and hydraulic applications.

Cubic Foot per Second (ft³/s)

Cubic foot per second, standard for river flow, large pipe flow, and environmental measurements.

Cubic Foot per Minute (CFM) (ft³/min)

Cubic foot per minute (CFM), the standard unit for HVAC airflow and ventilation systems.

Cubic Foot per Hour (ft³/h)

Cubic foot per hour, used for low-flow gas applications and leak rate measurements.

US Gallon per Second (gal(US)/s)

US Gallon per second, used for high-flow water applications like fire suppression systems.

US Gallon per Minute (GPM) (gal(US)/min)

US Gallon per minute (GPM), standard US unit for pump ratings and plumbing flow rates.

US Gallon per Hour (gal(US)/h)

US Gallon per hour, used for low-flow applications like fuel consumption and chemical dosing.

US Gallon per Day (gal(US)/d)

US Gallon per day, used in the U.S. for low-flow applications such water filtration, irrigation, and dosing systems, Gallons per Day (GPD) is a unit of volume flow measuring the total volume of fluid moved or processed in a 24-hour period.

UK Gallon per Second (gal(UK)/s)

UK Gallon per second, 1.2 times larger than US Gallon/s.

UK Gallon per Minute (GPM) (gal(UK)/min)

UK Gallon per minute (GPM), 1.2 times larger than US Gallon/min.

UK Gallon per Hour (gal(UK)/h)

UK Gallon per hour, 1.2 times larger than US Gallon/h.

UK Gallon per Day (gal(UK)/d)

UK Gallon per day, 1.2 times larger than US Gallon/d.

Barrel per Day (bbl/day)

Barrel per day, standard unit in petroleum industry for oil production and refinery throughput.

Barrel per Hour (bbl/h)

Barrel per hour, used for intermediate-scale petroleum processing and pipeline flow.

Base Unit Conversion Factors

The table below shows the conversion factors from each unit to the base unit, which is the Cubic Meter per Second (m³/s).

  • 1 Cubic Meter per Second (m³/s) = 1000000000 Cubic Millimeter per Second (mm³/s)
  • 1 Cubic Meter per Second (m³/s) = 1000000 Cubic Centimeter per Second (cm³/s)
  • 1 Cubic Meter per Second (m³/s) = 1000 Liter per Second (L/s)
  • 1 Cubic Meter per Second (m³/s) = 59999.988000002 Liter per Minute (L/min)
  • 1 Cubic Meter per Second (m³/s) = 3599999.712 Liter per Hour (L/h)
  • 1 Cubic Meter per Second (m³/s) = 1 Cubic Meter per Second (m³/s)
  • 1 Cubic Meter per Second (m³/s) = 59.998800024 Cubic Meter per Minute (m³/min)
  • 1 Cubic Meter per Second (m³/s) = 3599.999712 Cubic Meter per Hour (m³/h)
  • 1 Cubic Meter per Second (m³/s) = 61023.758990325 Cubic Inch per Second (in³/s)
  • 1 Cubic Meter per Second (m³/s) = 35.314475403468 Cubic Foot per Second (ft³/s)
  • 1 Cubic Meter per Second (m³/s) = 2118.8801972423 Cubic Foot per Minute (CFM) (ft³/min)
  • 1 Cubic Meter per Second (m³/s) = 127132.79567179 Cubic Foot per Hour (ft³/h)
  • 1 Cubic Meter per Second (m³/s) = 264.17203728418 US Gallon per Second (gal(US)/s)
  • 1 Cubic Meter per Second (m³/s) = 15850.322237051 US Gallon per Minute (GPM) (gal(US)/min)
  • 1 Cubic Meter per Second (m³/s) = 951019.63570242 US Gallon per Hour (gal(US)/h)
  • 1 Cubic Meter per Second (m³/s) = 22824465.328375 US Gallon per Day (gal(US)/d)
  • 1 Cubic Meter per Second (m³/s) = 219.96924829909 UK Gallon per Second (gal(UK)/s)
  • 1 Cubic Meter per Second (m³/s) = 13198.149091571 UK Gallon per Minute (GPM) (gal(UK)/min)
  • 1 Cubic Meter per Second (m³/s) = 791891.03579347 UK Gallon per Hour (gal(UK)/h)
  • 1 Cubic Meter per Second (m³/s) = 19005343.055717 UK Gallon per Day (gal(UK)/d)
  • 1 Cubic Meter per Second (m³/s) = 543439.57033494 Barrel per Day (bbl/day)
  • 1 Cubic Meter per Second (m³/s) = 22643.317481502 Barrel per Hour (bbl/h)