What Is This Tool?
This tool allows users to convert measurements from fathoms, a nautical length unit, to the US survey furlong, a traditional land surveying unit. It is designed for those needing to interpret maritime depths or historical land survey data.
How to Use This Tool?
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Enter the length value in fathoms in the input field.
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Select fathom [fath] as the source unit and furlong (US survey) [fur] as the target unit if needed.
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Click the convert button to see the result in US survey furlongs.
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Review example conversions provided for guidance.
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Use the result to support nautical, historical, or land surveying tasks.
Key Features
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Converts length values from fathom [fath] to furlong (US survey) [fur].
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Supports historical and nautical measurement contexts.
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Simple browser-based interface for quick conversions.
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Provides example calculations for better understanding.
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Includes explanations of both units and typical use cases.
Examples
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Convert 10 fathoms to furlongs: 10 × 0.0090908909 = 0.090908909 furlongs (US survey).
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Convert 50 fathoms to furlongs: 50 × 0.0090908909 = 0.454544545 furlongs (US survey).
Common Use Cases
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Expressing water depths and rope lengths in nautical navigation.
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Interpreting historical land survey records and old cadastral maps in the U.S.
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Converting maritime measurements for integration into land-based mapping.
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Understanding race distances and traditional measurements using British/American units.
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Supporting heritage projects involving both nautical and historical land units.
Tips & Best Practices
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Ensure unit selection matches your measurement context for accuracy.
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Use examples to verify correct input and output.
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Be aware of unit differences when working with historical survey data.
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Combine this tool with other converters for comprehensive measurement analysis.
Limitations
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Fathoms and furlongs serve very different measurement scales and contexts.
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Conversions are primarily useful for historical or nautical interpretation, not everyday measurements.
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Differences between US survey feet and international feet can introduce minor inaccuracies.
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Furlong (US survey) is a largely obsolete, non-SI unit in modern measurements.
Frequently Asked Questions
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What is a fathom used for?
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A fathom is traditionally used to measure water depth and lengths of ropes or cables in nautical settings.
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Where is the US survey furlong commonly applied?
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It is mainly found in older U.S. land surveys, legal descriptions, and traditional race distances.
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Can this converter be used for everyday measurements?
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No, because these units are specialized and mostly outdated, this converter is best for historical or maritime use.
Key Terminology
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Fathom [fath]
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A traditional English length unit equal to 6 feet, used mainly in nautical contexts to measure water depth and rope lengths.
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Furlong (US survey) [fur]
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A historical non-SI land surveying unit equal to 660 US survey feet, used in older US cadastral surveys and traditional measurements.
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US survey foot
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A unit of length used in US surveying that differs slightly from the international foot, affecting precise conversions.