What is an astronomical unit used for?

An astronomical unit is primarily used to express distances within the Solar System, such as planetary orbital radii and spacecraft trajectories.

Why convert astronomical units to US survey links?

Conversion helps interpret and compare vast astronomical distances in units used historically in US land surveying and cadastral mapping.

Is the US survey link still commonly used?

No, it is a historical unit mostly replaced by metric units and is used mainly for legacy survey data.

How to Convert Astronomical Unit [AU, UA] to Link (US survey) [li]

Convert astronomical units to US survey links with this easy-to-use length converter tool. Learn how to interpret large space distances in historic land measurement units accurately.

Astronomical unit [AU, UA]

Link (US survey) [li]

Please check your input. It must be a valid numeric value.

Astronomical unit [AU, UA] to Link (US survey) [li] Conversion Table

Astronomical unit [AU, UA]	Link (US survey) [li]

Custom Unit Conversion Table Generator – Instant Printable Conversion Tables

Start Value

Enter the starting number (positive decimal or integer ≥ 0). Example: 0.1, 1, 5.

End Value

Enter the ending number (positive decimal or integer > Start Value). Example: 10, 50, 100.

Interval

Enter the step size (positive decimal > 0 and < End Value – Start Value). Example: 1.0, 2.5.

Astronomical unit [AU, UA] to Link (US survey) [li] Conversion Table
Astronomical unit [AU, UA]	Link (US survey) [li]

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What Is This Tool?

This converter transforms values measured in astronomical units into US survey links, allowing users to reinterpret enormous space distances with a small historic land surveying subdivision.

How to Use This Tool?

Enter the numerical value in astronomical units you want to convert
Select the 'astronomical unit [AU, UA]' as the input unit
Choose 'link (US survey) [li]' as the target unit
Click the convert button to see the equivalent length in links

Key Features

Converts length values from astronomical units to US survey links
Supports interpretation of vast astronomical distances in familiar surveying units
Provides instant conversion for legacy cadastral and engineering data applications
Browser-based and easy to use with no installation required

Examples

2 astronomical units equal 1,487,289,941,693.1 links (US survey)
0.5 astronomical units equal 371,822,485,423.275 links (US survey)

Common Use Cases

Translating planetary orbital radii into smaller historic measurement units
Interpreting spacecraft trajectory distances using historic land survey units
Converting recorded distances from old US land survey plats and deeds
Reconciling legacy cadastral mapping data with modern engineering projects

Tips & Best Practices

Verify the unit selections carefully before converting large distances
Use this tool mainly for interpreting legacy cadastral and land surveying data
Be cautious with very large numerical results due to the size difference between units
Cross-check conversion results when precision is critical for engineering applications

Limitations

Astronomical units represent extremely large lengths, resulting in very large converted values
US survey link is a historic unit largely superseded by metric and newer units
Precision may be affected by the differing standards and updates in measurement methods
Practical use is confined mostly to legacy land surveying and cadastral contexts

Frequently Asked Questions

What is an astronomical unit used for?: An astronomical unit is primarily used to express distances within the Solar System, such as planetary orbital radii and spacecraft trajectories.
Why convert astronomical units to US survey links?: Conversion helps interpret and compare vast astronomical distances in units used historically in US land surveying and cadastral mapping.
Is the US survey link still commonly used?: No, it is a historical unit mostly replaced by metric units and is used mainly for legacy survey data.

Key Terminology

Astronomical Unit (AU, UA): A unit of length equal to exactly 149,597,870,700 metres, historically the average distance from Earth to the Sun, used for measuring distances within the Solar System.
Link (US survey) [li]: A historic unit of length equal to 1/100 of a Gunter's chain or 0.66 US survey feet, used mainly in land surveying and cadastral mapping in the United States.
Cadastral Mapping: The process of creating detailed maps showing property boundaries and land ownership, often involving legacy surveying data.

Quick Knowledge Check

What does the astronomical unit represent?

A small subdivision used in land surveying

The average distance from the Earth to the Sun

A historical unit equal to 0.66 feet

In which context is the US survey link mainly used?

Measuring orbital sizes of planets

Historic land surveying and cadastral records

Expressing distances within the Solar System

Why may large numerical results arise when converting AU to links?

Because the units are both metric units

Because an astronomical unit is extremely large compared to a link

Because the link is larger than the astronomical unit

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