What Is This Tool?
This tool converts flow measurements from gallon (US)/day to acre-foot/day, two units used to quantify volumetric flow rates at different scales in water resource engineering and management.
How to Use This Tool?
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Enter the value in gallon (US)/day that you want to convert.
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Select gallon (US)/day as the input unit and acre-foot/day as the output unit.
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Click the convert button to get the flow rate in acre-foot/day.
Key Features
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Converts from gallon (US)/day to acre-foot/day accurately using established conversion factors.
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Browser-based and easy to use with no installation required.
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Supports flow measurement conversions relevant to agriculture, municipal water supply, and groundwater hydrology.
Examples
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Convert 1000 gal (US)/d: 1000 × 0.0000030688710016833 = 0.00306887 ac*ft/d
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Convert 500 gal (US)/d: 500 × 0.0000030688710016833 = 0.00153444 ac*ft/d
Common Use Cases
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Reporting daily water usage per household or per capita in the US.
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Estimating irrigation rates for agricultural water districts.
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Monitoring reservoir inflows and surface-water withdrawals.
Tips & Best Practices
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Double-check units before converting to ensure accurate interpretation of flow rates.
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Use this tool to compare small-scale flow data with larger water resource management metrics.
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Be cautious with very small or very large values to avoid numerical errors.
Limitations
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Acre-foot/day represents a much larger flow rate than gallon (US)/day, so interpretation needs care to avoid confusion.
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Regional variations in unit definitions or standards can impact conversion accuracy.
Frequently Asked Questions
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What does one gallon (US)/day represent?
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It represents the volume flow rate of one US liquid gallon passing a point in one day.
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Where is acre-foot/day commonly used?
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Acre-foot/day is used mostly in water resource planning, irrigation, and hydraulic engineering to measure larger volumetric flows.
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Why is this conversion important?
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It helps translate small-scale water flow measurements into units suitable for regional and agricultural water management.
Key Terminology
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Gallon (US)/day
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A unit of volumetric flow rate equal to one US liquid gallon passing a point in one day.
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Acre-foot/day
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A volumetric flow rate representing one acre-foot of water volume delivered or removed daily.