What Is This Tool?
This converter transforms measurements from astronomical units, a large-scale distance used in astronomy, into links, a historic English unit used in land surveying. It helps relate space-scale distances to old surveying measurements.
How to Use This Tool?
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Enter the value in astronomical units you want to convert
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Select the target unit as link (li)
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Click the convert button to get your measurement in links
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Use the result for astronomical or historical surveying analysis
Key Features
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Converts astronomical units (AU, UA) to historic links (li)
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Browser-based and easy to use
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Provides large-scale length conversions for astronomical and surveying contexts
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Supports understanding of planetary orbits and historical land measurements
Examples
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2 AU equals 1,487,292,916,278.94 links
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0.5 AU equals 371,823,229,069.74 links
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Convert your own values using the formula: 1 AU = 743646458139.47 li
Common Use Cases
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Expressing planetary orbital distances within the Solar System
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Translating astronomical distances for historical land surveys
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Interpreting old cadastral records with modern space-distance references
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Supporting archival research on historical property boundaries
Tips & Best Practices
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Double-check unit selections to ensure accurate conversions
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Be aware that values will be very large due to unit scale differences
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Use this tool primarily for academic, historical, or research purposes
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Cross-reference converted values with original records when analyzing cadastral data
Limitations
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Astronomical units are vastly larger than links, resulting in very large output numbers
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The link is an outdated unit, mostly relevant to historic surveying only
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Conversion has limited practical use outside academic or historical contexts
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Not suitable for everyday length measurements due to scale differences
Frequently Asked Questions
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What is an astronomical unit used for?
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It is a unit of length representing the average Earth-Sun distance, commonly used to express distances within the Solar System.
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Why convert astronomical units to links?
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To translate large-scale astronomical distances into historic surveying units for land record analysis and archival research.
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Is the link unit still in use today?
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The link is largely obsolete and mainly encountered in historical land surveying and cadastral contexts.
Key Terminology
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Astronomical Unit (AU, UA)
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A unit of length equal to exactly 149,597,870,700 metres, representing the average distance from Earth to the Sun.
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Link (li)
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A historic English unit of length used in surveying, equal to 0.201168 metres or 1/100 of Gunter's chain.
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Gunter's Chain
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A measuring device used historically in English land surveying comprising 100 links.