What Is This Tool?
This converter transforms volume values from ton register, a historical maritime unit representing ship internal volume, to acre-foot (US survey), a water volume unit used in irrigation and reservoir management.
How to Use This Tool?
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Enter the volume value in ton register units
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Choose ton register as the from-unit and acre-foot (US survey) as the to-unit
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Click convert to see the equivalent volume in acre-foot (US survey)
Key Features
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Converts maritime volume units to water management units
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Simple interface to enter values and select units
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Supports historical and regulatory maritime measurements
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Facilitates planning for water supply, irrigation, and port administration
Examples
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10 ton register converts to approximately 0.022956703 acre-foot (US survey)
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100 ton register converts to approximately 0.22956703 acre-foot (US survey)
Common Use Cases
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Translating historical ship volumes into water volume units
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Calculating port fees or canal dues using register tons
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Measuring and planning reservoir and irrigation water volumes
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Supporting municipal or regional water supply management
Tips & Best Practices
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Verify unit definitions when working with historical tonnage data
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Be aware of differences between US survey feet and international feet
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Use this conversion for planning in agriculture and water resource contexts
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Check for regional variations in volume definitions before applying conversions
Limitations
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Ton register is outdated and may differ from modern tonnage standards
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Acre-foot (US survey) uses specific US survey feet, not metric or international feet
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Volume values may vary slightly depending on regional definitions
Frequently Asked Questions
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What does a ton register measure?
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A ton register measures ship internal volume, equal to 100 cubic feet, mainly used in historical maritime contexts.
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What is an acre-foot (US survey)?
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An acre-foot (US survey) is the volume covering one acre to a depth of one US survey foot, equal to 43,560 cubic US survey feet.
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Why convert from ton register to acre-foot (US survey)?
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This conversion helps translate maritime volume measurements into water resource management units for planning and allocation.
Key Terminology
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Ton register [ton reg]
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A unit of volume equal to 100 cubic feet, used historically to measure ship internal capacity as gross or net register tonnage.
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Acre-foot (US survey)
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A volume unit equal to the volume of water covering one acre of land to one US survey foot of depth, used in water resource management.
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US survey foot
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A special unit of length used in the United States for surveying, different from the international foot.