What Is This Tool?
This converter transforms volumetric flow rates from US gallons per hour to acre-feet per year, enabling users to translate small-scale liquid flow measurements into large-scale water volume flows over annual periods.
How to Use This Tool?
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Enter the flow rate value in gallon (US)/hour you wish to convert
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Select gallon (US)/hour as the input unit and acre-foot/year as the output unit
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Click convert to get the equivalent flow rate in acre-foot/year
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Use the converted value for your water management or flow analysis needs
Key Features
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Converts flow measurements between gal (US)/hour and ac*ft/year units
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Provides easy-to-understand conversion based on a fixed conversion rate
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Useful for applications in water resource management, agriculture, and fuel consumption
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Simple interface for quick, accurate flow rate translation
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Browser-based tool requiring no installation or specialized knowledge
Examples
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10 gal (US)/h converts to 0.2688331 ac*ft/y
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50 gal (US)/h converts to 1.3441655 ac*ft/y
Common Use Cases
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Calculating fuel burn rates for small aircraft, marine engines, and portable generators
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Specifying flow rates for small pumps, chemical dosing, and condensate removal systems
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Water resource planning and reservoir yield estimation
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Allocating surface water and irrigation water rights for agricultural districts
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Municipal water supply accounting and demand forecasting over long periods
Tips & Best Practices
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Ensure continuous flow conditions are assumed when using the converted values
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Use this conversion for annual or long-term flow analysis rather than short-term variation
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Confirm unit conventions to avoid confusion between US gallons and other gallon types
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Apply the conversion results to support water resource management and planning activities
Limitations
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Assumes steady flow sustained throughout the entire year, which may not represent actual seasonal or transient changes
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Minor inaccuracies can arise due to unit convention differences and SI approximations
Frequently Asked Questions
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What does one gallon (US)/hour represent?
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It is a volumetric flow rate indicating how many US liquid gallons pass a point each hour, commonly used in non‑SI contexts.
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Why convert from gal (US)/hour to acre-foot/year?
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This conversion translates smaller-scale flow rates often used in fuel and dosing into large-scale water volume flows important for resource planning and management.
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Are there any inaccuracies in this conversion?
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Yes, small inaccuracies can occur due to differences in unit conventions and the assumption of continuous flow over a full year.
Key Terminology
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Gallon (US)/hour
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A unit measuring the volume of liquid in US gallons passing a point each hour.
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Acre-foot/year
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A volumetric flow rate representing the volume of one acre-foot of water delivered or used in one year.
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Volumetric flow rate
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The quantity of fluid passing through a section per unit time.