Flow Rate Converter
Convert flow rates between liters, gallons, cubic meters, and cubic feet. Ideal for plumbing, HVAC, irrigation, and industrial fluid systems.
| Liters per minute | Gallons per minute (US) |
|---|---|
| 1 | 0.26417 |
| 10 | 2.64172 |
| 50 | 13.2086 |
| 100 | 26.41721 |
| 200 | 52.83441 |
| 500 | 132.08603 |
| 1,000 | 264.17205 |
| 1,500 | 396.25808 |
| 2,000 | 528.3441 |
Understanding Flow Rate 🌊
Flow rate tells you how much fluid (liquid or gas) passes through a pipe, duct, or channel over time.
Accurate flow measurement is crucial for plumbing, HVAC, irrigation, industrial processes, and laboratory experiments.
Using the right units ensures safety, efficiency, and system compatibility.
Key Facts
- 1 L/s = 60 L/min - quick metric conversion for domestic systems.
- 1 m³/h ≈ 16.667 L/min - useful for larger-scale industrial flow calculations.
- 1 GPM (US) ≈ 3.785 L/min, 1 GPH ≈ 0.06309 L/s - handy for imperial-to-metric conversions.
- CFM is often used for air flow in HVAC systems and ventilation.
Formulas
L/min = L/s × 60- Convert liters per second to liters per minute.m³/h = L/s × 3.6- Convert liters per second to cubic meters per hour.GPM = L/min ÷ 3.785- Convert liters per minute to US gallons per minute.GPH = GPM × 60- Convert gallons per minute to gallons per hour.CFM = m³/h ÷ 1.699- Convert cubic meters per hour to cubic feet per minute.
Typical Flow Rates
- A small faucet ≈ 6 L/min
- A garden hose ≈ 15–25 L/min
- Shower flow ≈ 8–12 L/min
- Residential pump ≈ 200–500 L/min
- HVAC air vent ≈ 100–500 CFM
FAQs
Why are there different units for flow rate?
Different units exist because flow can be measured in volume per time (liters, gallons, cubic meters) and in different systems (metric vs. US customary). Use the unit that matches your system for clarity and safety.
How do I convert L/min to GPM?
Divide the liters per minute by 3.785 to get US gallons per minute.
What is CFM used for?
Cubic feet per minute (CFM) is commonly used for measuring air flow in HVAC systems and ventilation.