What Is This Tool?
This tool enables users to convert measurements from the UK nautical mile (historically defined as 6,080 feet) to the pole, a traditional surveying length unit equivalent to 16.5 feet.
How to Use This Tool?
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Enter the value in nautical miles (UK) that you want to convert.
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Select the 'Nautical mile (UK) [NM (UK)]' as your input unit.
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Choose 'Pole' as your output unit.
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Click the convert button to view the result in poles.
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Use the result to compare or analyze historical survey or maritime data.
Key Features
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Converts historical UK nautical miles to poles accurately.
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Supports understanding of maritime and land survey measurements.
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Facilitates conversion of legacy navigation and cadastral data.
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Browser-based and simple to use.
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Helps reconcile historical maritime distances with land survey units.
Examples
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2 NM (UK) equals approximately 736.97 poles.
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0.5 NM (UK) equals approximately 184.24 poles.
Common Use Cases
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Interpreting distances on old UK Admiralty navigation charts.
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Converting historic maritime data to land survey measurements.
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Updating cadastral records by converting rods/poles to metric units.
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Analyzing property deeds and tithe maps that use poles.
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Restoring legacy navigation instruments and datasets.
Tips & Best Practices
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Verify the historical context when using UK nautical miles for accuracy.
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Cross-check converted values with other units when possible.
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Remember that poles are mostly obsolete and modern surveys favor metric units.
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Use this tool to aid understanding of old navigation and survey documents.
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Be cautious of rounding or transcription errors in historical records.
Limitations
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UK nautical mile slightly differs from the international nautical mile.
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Poles are traditional units, less used in modern surveys.
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Historical documents may have inaccuracies affecting precision.
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Conversion only applies between these specific units, not others.
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Modern applications may require further unit conversions.
Frequently Asked Questions
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What is a UK nautical mile?
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The UK nautical mile, also known as the Admiralty nautical mile, is defined as exactly 6,080 feet or 1,853.184 metres, slightly longer than the international nautical mile.
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What is a pole used for?
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A pole is a traditional English length unit equal to 16.5 feet, commonly used in historical land surveying and property measurement.
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Why convert from UK nautical mile to pole?
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This conversion helps interpret and reconcile historical maritime measurements with land survey units that appear in property deeds and cadastral maps.
Key Terminology
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Nautical mile (UK)
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A unit of length used historically by the UK Admiralty, exactly 6,080 feet or 1,853.184 metres.
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Pole
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A traditional English surveying unit equal to 16.5 feet or 5.0292 metres, also known as rod or perch.