What Is This Tool?
This unit converter helps you transform measurements given in aln, a traditional Scandinavian unit of length, into international nautical miles, which are widely used in maritime and aerial navigation.
How to Use This Tool?
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Enter the length value measured in aln into the input field.
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Select 'aln' as the source unit and 'nautical mile (international)' as the target unit.
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Click the convert button to obtain the equivalent distance in nautical miles.
Key Features
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Converts historical Scandinavian aln measurements to international nautical miles.
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Uses a defined conversion rate aligning with the Swedish aln value.
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Browser-based and easy to use without requiring software installation.
Examples
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10 aln converts to approximately 0.003206144 international nautical miles.
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100 aln converts to approximately 0.03206144 international nautical miles.
Common Use Cases
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Interpreting historical Scandinavian textile measurements for modern comparison.
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Converting old building or room dimensions from Scandinavian architectural sources.
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Translating length data in historical cadastral or legal records for navigational mapping.
Tips & Best Practices
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Verify the specific aln definition relevant to your historical context since the unit length varied by country and period.
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Use the conversion assuming the Swedish aln value (~0.5938 m) for best accuracy.
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Remember that nautical miles rely on standard geodetic definitions, so consistent datum application is important.
Limitations
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The aln length historically fluctuated across Scandinavian regions, so exact conversions may vary.
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This tool assumes the Swedish aln variant; other forms might require different conversions.
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Precision depends on consistent geodetic datum usage for nautical mile calculations.
Frequently Asked Questions
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What is an aln?
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An aln is a historic Scandinavian length unit used primarily for measuring cloth and architectural distances, but its exact length varied by region and time.
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What is a nautical mile (international)?
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The international nautical mile is defined exactly as 1,852 meters and is commonly used in marine and aeronautical navigation to measure distances based on latitude.
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Can I use this converter for all aln variants?
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This conversion is based on the Swedish aln length; other variations of aln might require adjustments to the conversion factor.
Key Terminology
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Aln
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A historical Scandinavian unit of length, traditionally used for textiles and architecture, with length varying by region and period.
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Nautical mile (international)
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A unit of length exactly equal to 1,852 meters, used primarily in navigation and geodetic applications.