Convert Links (li) to Astronomical Units (AU)

What is a Link (li)?

A Link is a traditional Imperial unit used mainly in land surveying.
It was introduced by Edmund Gunter in the 1600s as part of the Gunter’s chain system.

1 link = 0.66 feet = 7.92 inches = 0.201168 meters

It served as a practical, small-scale unit for measuring land and property boundaries long before the metric system.

What is an Astronomical Unit (AU)?

An Astronomical Unit (AU) defines the average distance between Earth and the Sun.
It’s established as:

1 AU = 149,597,870.7 kilometers

This astronomical constant allows scientists to measure planetary orbits and interplanetary distances more conveniently.

This tool converts Links (li) — one of the smallest Earth-based surveying units — into Astronomical Units (AU), the scale used to measure the immense distances between celestial bodies.
It helps visualize how minuscule historical measurement systems are when compared with the vast expanse of space.

How to Convert Between Links and Astronomical Units

To convert Links (li) to Astronomical Units (AU):

AU = li ÷ 7.435984059 × 10¹¹

Or approximately:

1 link ≈ 1.344 × 10⁻¹² AU

That means one Link equals about 0.000000000001344 AU — an unimaginably small fraction of the distance between Earth and the Sun.

• Education: Demonstrate the enormous difference between ancient land-measurement units and cosmic distances.

• STEM Learning: Connect geometry, history, and astronomy through unit conversions.

• Visualization: Translate ancient Earth-based scales into universal spatial terms.

• Public Outreach: Help learners and audiences appreciate the scope of astronomical measurements.

• Curiosity & Comparison: See how far our measurement standards have evolved — from surveying chains to solar system spans.

Why Convert Links to Astronomical Units?

While converting Links (li) to Astronomical Units (AU) isn’t used in modern science, it provides an extraordinary sense of scale:

• Perspective: Compare ancient land-survey units to interplanetary distances.

• Historical Insight: Trace humanity’s progress from local measurement to cosmic understanding.

• Education: Create engaging lessons linking historical metrology with modern astronomy.

• Visualization: Reveal the magnitude of the Earth–Sun distance using an archaic unit.

• Appreciation: Celebrate how measurement systems have evolved to meet humanity’s expanding horizons.

Converting Links to Astronomical Units connects history, science, and imagination, turning simple numbers into cosmic perspective.

Links (li) to AU conversion table, using the formula:

AU = li ÷ 7.435984059 × 10¹¹

Notes

• 1 li ≈ 1.344 × 10⁻¹² AU

• This table helps visualize astronomical distances — from a few thousand Links (like historical land plots) to billions of Links — all converted into Astronomical Units.

• It reveals how minuscule terrestrial units are compared to the expansive scale of our solar system.