All Flow Rate Equivalents
Flow Rate Conversion Table
| m³/s | m³/h | L/s | L/min | CFS | CFM |
|---|---|---|---|---|---|
| 1 | 3,600 | 1,000 | 60,000 | 35.315 | 2,118.9 |
| 5 | 18,000 | 5,000 | 300,000 | 176.57 | 10,594 |
| 10 | 36,000 | 10,000 | 600,000 | 353.15 | 21,189 |
| 25 | 90,000 | 25,000 | 1,500,000 | 882.87 | 52,972 |
| 50 | 180,000 | 50,000 | 3,000,000 | 1,765.7 | 105,940 |
| 100 | 360,000 | 100,000 | 6,000,000 | 3,531.5 | 211,890 |
| 250 | 900,000 | 250,000 | 15,000,000 | 8,828.7 | 529,720 |
| 500 | 1,800,000 | 500,000 | 30,000,000 | 17,657 | 1,059,400 |
| 1,000 | 3,600,000 | 1,000,000 | 60,000,000 | 35,315 | 2,118,900 |
Flow Rate Units
SI unit of volumetric flow rate. Used in large-scale hydraulic engineering and international standards.
Metric flow rate unit used in industrial ventilation and process engineering.
Common metric unit for water supply and HVAC systems. Used internationally for pump specifications.
Widely used metric flow rate unit for water distribution, fire protection, and plumbing design.
Common for small-scale flows in laboratory, medical, and plumbing applications.
Used for low-flow applications like chemical dosing, drip irrigation, and analytical instruments.
Used for very small flows in laboratory and medical instrument applications.
Primary US unit for open channel flow, river discharge, and stormwater design. Used by USGS and FEMA.
Standard US unit for air flow in HVAC, ventilation, and compressed air systems.
Most common US unit for piping, pump, and plumbing flow rates. Essential for fire protection design.
Used for low flow rates such as chemical feed systems and small pumps.
Standard US unit for water and wastewater treatment plant capacity. Essential for municipal engineering.
Used in water rights, irrigation, and reservoir management in the western United States.
Standard petroleum industry unit (42 US gallons per barrel). Used for oil production and refinery throughput.
Used in the United Kingdom, Canada, and other Commonwealth countries for water system design.
Popular Flow Rate Conversions
- US Gallon per Minute to Cubic Foot per Second (GPM → CFS)
- Cubic Foot per Second to US Gallon per Minute (CFS → GPM)
- US Gallon per Minute to Liter per Second (GPM → L/s)
- US Gallon per Minute to Liter per Minute (GPM → L/min)
- US Gallon per Minute to Million Gallons per Day (GPM → MGD)
- Million Gallons per Day to Cubic Foot per Second (MGD → CFS)
- Cubic Foot per Second to Million Gallons per Day (CFS → MGD)
- US Gallon per Minute to Cubic Meter per Hour (GPM → m³/h)
- Cubic Foot per Minute to Cubic Meter per Hour (CFM → m³/h)
- Liter per Second to US Gallon per Minute (L/s → GPM)
Related Categories
Need More Engineering Tools?
Try our PE Exam Calculator with 450+ equations, or browse Practice Problems