Convert 20 LPM to GPM

Flow Rate Conversion Formula:

\[ Q_{gpm} = \frac{Q_{lpm}}{3.785} \]

Flow Rate (GPM):

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1. What is LPM to GPM Conversion?

Definition: This calculator converts flow rate from liters per minute (LPM) to gallons per minute (GPM).

Purpose: It helps in fluid dynamics calculations where flow rates need to be converted between metric and imperial units.

2. How Does the Calculator Work?

The calculator uses the formula:

\[ Q_{gpm} = \frac{Q_{lpm}}{3.785} \]

Where:

\( Q_{gpm} \) — Flow rate in gallons per minute
\( Q_{lpm} \) — Flow rate in liters per minute
3.785 — Conversion factor (liters per gallon)

Explanation: The LPM value is divided by 3.785 (the number of liters in one gallon) to get the equivalent flow rate in GPM.

3. Importance of Flow Rate Conversion

Details: Accurate flow rate conversion is essential for engineering calculations, pump sizing, and system design where different unit systems are used.

4. Using the Calculator

Tips: Enter the flow rate in liters per minute (default is 20 LPM). The calculator will automatically compute the equivalent in gallons per minute.

5. Frequently Asked Questions (FAQ)

Q1: Why is 20 LPM a common value?
A: 20 LPM (approximately 5.28 GPM) is a typical flow rate for many industrial and residential applications.

Q2: How precise is the conversion factor?
A: The conversion uses 3.785 liters per US gallon, which is the standard conversion factor.

Q3: What if I need to convert GPM to LPM?
A: Simply multiply the GPM value by 3.785 to get LPM.

Q4: Does this work for all liquids?
A: Yes, the conversion is based on volume, not the liquid's properties.

Q5: What's the difference between US and UK gallons?
A: This calculator uses US gallons (3.785 L). UK gallons are 4.546 L.