Flow Rate Converter
Volumetric flow rate measures how much volume passes a point per unit of time. The SI unit is the cubic meter per second. Plumbing and HVAC commonly use liters per minute, US gallons per minute, or cubic feet per minute.
1 L/min = 0.26417205 gpm (US)
About flow rate conversion
Flow Rate conversion is commonly needed when plumbing, HVAC, pumps, and irrigation.
All flow rate units
| Unit | Symbol | System |
|---|---|---|
| Cubic Meter per Second | m³/s | SI |
| Liter per Second | L/s | Metric |
| Liter per Minute | L/min | Metric |
| Liter per Hour | L/h | Metric |
| US Gallon per Minute | gpm (US) | US |
| Cubic Foot per Minute | CFM | Imperial |
Frequently asked questions
What is the base unit for flow rate?
Flow Rate conversions on this site are calculated against the cubic meter per second (m³/s).
Which flow rate units can I convert?
You can convert between 6 units, including cubic meter per second, liter per second, liter per minute, liter per hour, and more.
Where is flow rate conversion useful?
It is commonly needed when plumbing, HVAC, pumps, and irrigation.
Does this converter mix measurement systems?
The converter supports SI, Metric, US, Imperial units and keeps their exact definitions separate so results stay accurate.