Flow Rate Converter
Fluids & FuelLiters per second, gallons per minute and more.
Popular flow rate conversions
- Cubic Meters per Second to Liters per Second1 m³/s = 1,000 L/s
- Liters per Second to Cubic Meters per Second1 L/s = 0.001 m³/s
- Cubic Meters per Second to Cubic Meters per Hour1 m³/s = 3,600 m³/h
- Cubic Meters per Second to Gallons per Minute US1 m³/s = 15,850.3 GPM (US)
- Cubic Meters per Second to Cubic Feet per Minute1 m³/s = 2,118.88 ft³/min
- Cubic Meters per Second to Barrels per Day1 m³/s = 543,440 bbl/d
- Liters per Second to Cubic Meters per Hour1 L/s = 3.6 m³/h
- Liters per Second to Gallons per Minute US1 L/s = 15.8503 GPM (US)
- Liters per Second to Cubic Feet per Minute1 L/s = 2.11888 ft³/min
- Liters per Second to Barrels per Day1 L/s = 543.44 bbl/d
- Cubic Meters per Hour to Cubic Meters per Second1 m³/h = 0.000277778 m³/s
- Cubic Meters per Hour to Liters per Second1 m³/h = 0.277778 L/s
How to convert flow rate
All 12 flow rate units are converted through a single base unit, so any unit can be converted to any other. Enter a value, choose the units and press Convert, or open a conversion page for the exact factor and a reference table.
For example, 1 cubic meters per second (m³/s) = 1,000 liters per second (L/s).
Flow Rate unit definitions
- Cubic Meters per Second (m³/s)
- Cubic meters per second is the SI unit of volumetric flow, used for rivers, pumps and large pipelines.
- Cubic Meters per Hour (m³/h)
- Cubic meters per hour is common for ventilation and water systems; 1 m³/h is about 0.278 liters per second.
- Liters per Second (L/s)
- Liters per second is a convenient flow unit for taps, pumps and irrigation; 1 L/s is 3.6 m³/h.
- Cubic Feet per Minute (ft³/min)
- Cubic feet per minute (CFM) rates fans, compressors and HVAC airflow in the United States; 1 CFM is about 0.472 L/s.
- Gallons per Minute US (GPM (US))
- US gallons per minute is the usual flow unit for pumps, showers and wells in the United States; 1 gpm is about 0.0631 L/s.
- Barrels per Day (bbl/d)
- Barrels per day is the oil industry production unit: one 42-gallon barrel (158.99 liters) per day.
All flow rate units
Metric
- Cubic Meters per Second (m³/s)
- Cubic Meters per Hour (m³/h)
- Liters per Second (L/s)
- Liters per Hour (L/h)
- Milliliters per Second (mL/s)
Imperial
- Cubic Feet per Second (ft³/s)
- Cubic Feet per Minute (ft³/min)
- Cubic Inches per Second (in³/s)
- Gallons per Minute US (GPM (US))
- Gallons per Hour US (GPH (US))
Other
- Barrels per Day (bbl/d)
- Acre Feet per Year (ac⋅ft/yr)