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The MGD to GPM conversion is used to convert flow rates from million gallons per day (MGD) to gallons per minute (GPM). This conversion is essential in water treatment, hydraulic engineering, and fluid dynamics applications.
The calculator uses the conversion formula:
Where:
Explanation: Since there are 1,000,000 gallons in one million gallons and 1440 minutes in a day (24 hours × 60 minutes), the conversion factor is derived by dividing 1,000,000 by 1440.
Details: Accurate flow rate conversion is crucial for designing water distribution systems, sizing pumps and pipes, calculating treatment plant capacities, and ensuring proper hydraulic calculations in engineering projects.
Tips: Enter the flow rate in million gallons per day (MGD). The value must be positive. The calculator will instantly convert it to gallons per minute (GPM).
Q1: Why is the conversion factor 694.4444444444445?
A: This factor comes from dividing 1,000,000 (gallons in MGD) by 1440 (minutes in a day): 1,000,000 ÷ 1440 = 694.4444444444445.
Q2: When would I need to convert MGD to GPM?
A: Common applications include water treatment plant design, pump sizing, pipeline capacity calculations, and hydraulic system analysis where different time units are used.
Q3: What's the difference between MGD and GPM?
A: MGD measures flow rate over 24 hours, while GPM measures instantaneous flow rate per minute. MGD is better for daily totals, GPM for real-time monitoring.
Q4: Can I convert GPM back to MGD?
A: Yes, use the reverse formula: MGD = GPM ÷ 694.4444444444445 or MGD = GPM × 0.00144.
Q5: What are typical MGD values in water systems?
A: Small systems: 0.1-1 MGD, Medium cities: 1-10 MGD, Large cities: 10-100+ MGD. Industrial plants may use 0.5-5 MGD depending on size.