1. What is GPH Calculation?

GPH (Gallons Per Hour) calculation converts flow rate from gallons per minute (GPM) to gallons per hour. This is useful for irrigation systems, water usage monitoring, and garden hose flow measurements.

2. How Does the Calculator Work?

The calculator uses the simple conversion formula:

Where:

• \( GPH \) — Gallons per hour
• \( GPM \) — Gallons per minute
• \( 60 \) — Conversion factor (minutes to hours)

Explanation: Since there are 60 minutes in an hour, multiplying GPM by 60 gives the hourly flow rate.

3. Importance of GPH Calculation

Details: Calculating GPH helps in planning irrigation schedules, determining water consumption, sizing water storage tanks, and optimizing garden watering systems.

4. Using the Calculator

Tips: Enter the flow rate in gallons per minute (GPM). The value must be greater than zero. The calculator will automatically compute the equivalent gallons per hour.

5. Frequently Asked Questions (FAQ)

Q1: Why convert GPM to GPH?
A: GPH provides a better understanding of hourly water usage, which is essential for irrigation planning and water management.

Q2: How do I measure GPM for my garden hose?
A: Use a flow meter or time how long it takes to fill a known container (e.g., 1 gallon in 10 seconds = 6 GPM).

Q3: What is a typical garden hose flow rate?
A: Standard garden hoses typically flow between 4-12 GPM depending on water pressure and hose diameter.

Q4: Can I use this for sprinkler systems?
A: Yes, this calculation works for any water flow measurement where you need to convert from minutes to hours.

Q5: How accurate is this conversion?
A: The conversion is mathematically exact - 1 GPM always equals 60 GPH. Accuracy depends on your initial GPM measurement.