Flow Rate Converter
Convert between L/min, GPM, CFM and more flow units.
🚰 Pipe and pump flow rates. Used in plumbing, HVAC, and irrigation.
What Is This Tool?
Flow rate measures how much fluid passes through a point per unit time. This tool converts between liters/second, liters/minute, cubic meters/hour, gallons/minute, and cubic feet/minute.
Common Conversions
- 1 L/s = 60 L/min = 3.6 m³/h
- 1 gallon/min (US) ≈ 3.785 L/min ≈ 0.063 L/s
- 1 CFM (ft³/min) ≈ 28.32 L/min ≈ 0.472 L/s
Real-World Flow Rates
- Shower head: ~8-10 L/min
- Garden hose: ~15-20 L/min
- Fire hydrant: ~1000+ L/min
- Small river: ~10,000 m³/h
Frequently Asked Questions
CFM in HVAC?
CFM (cubic feet per minute) measures air flow in heating/cooling systems. A typical central AC moves 1000-2000 CFM. The higher the CFM, the faster air circulates.
About the Flow Rate Converter
The Flow Rate Converter converts flow rate converterfrom one unit to another using the exact internationally defined conversion factors. Type a value, choose your source and target units, and the converted result is shown instantly — no waiting, no page reload.
Manual conversion is error-prone because it means memorizing ratios (how many feet in a meter, how many pints in a liter). This tool removes that friction: the conversion factor is built in, and the math is done to full precision with no rounding until the final displayed number.
How to Use This Tool
- Enter the value you want to convert in the input field.
- Select the unit you are converting from.
- Select the unit you want to convert to.
- The converted value appears instantly. Adjust either unit to compare across the board.
- Copy the result if you need it elsewhere. Your input is never sent anywhere.
Why Use an Online Converter?
Browser-based tools like this one have a few real advantages over installed software or manual methods:
- No installation. It opens instantly in any browser, on any operating system.
- Private by default. Everything runs locally, so your data stays on your device.
- Always up to date.There's nothing to update — you always get the latest version when you load the page.
- Free and unlimited. Use it as often as you like, with no account and no caps.
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