Convert length and distance units — meters, feet, inches, kilometers, miles, light years and more.
| Unit | Name | Value |
|---|---|---|
| 0.001 yd | 6.112e-15 au | |
| 0.01 yd | 6.112e-14 au | |
| 0.1 yd | 6.112e-13 au | |
| 1 yd | 6.112e-12 au | |
| 5 yd | 3.056e-11 au | |
| 10 yd | 6.112e-11 au | |
| 50 yd | 3.056e-10 au | |
| 100 yd | 6.112e-10 au | |
| 1000 yd | 6.1123e-09 au |
Multiply the number of Yards by 6.1123×10-12 to get Astronomical Units. Formula: au = yd × 6.1123×10-12. Example: 10 yd × 6.1123×10-12 = 6.1123×10-11 au. To reverse, divide Astronomical Units by 6.1123×10-12 to get Yards.
| Yard (yd) | Astronomical Unit (au) |
|---|---|
| 0.001 yd | 6.1123×10-15 au |
| 0.01 yd | 6.1123×10-14 au |
| 0.1 yd | 6.1123×10-13 au |
| 0.5 yd | 3.0561×10-12 au |
| 1 yd | 6.1123×10-12 au |
| 2 yd | 1.2225×10-11 au |
| 5 yd | 3.0561×10-11 au |
| 10 yd | 6.1123×10-11 au |
| 20 yd | 1.2225×10-10 au |
| 50 yd | 3.0561×10-10 au |
| 100 yd | 6.1123×10-10 au |
| 250 yd | 1.5281×10-9 au |
| 500 yd | 3.0561×10-9 au |
| 1000 yd | 6.1123×10-9 au |
| 10000 yd | 6.1123×10-8 au |
To convert Yard to Astronomical Unit, multiply by 6.1123×10-12. Example: 10 yd = 6.1123×10-11 au
To convert Astronomical Unit back to Yard, divide by 6.1123×10-12 (multiply by 163605000000). Use the swap button above.
Start with 100 Yards = 6.1123×10-10 au as your reference point. Scale up or down from there.
1 AU = 163.6 billion yards. US science teachers use yard-to-AU conversion to make the Earth-Sun distance tangible: "93 million miles = 163 billion yards — more yards than American football fields could stretch to the Moon and back 27,000 times."
NASA instruments and spacecraft components are specified in yards and feet for US engineering documentation while observational targets use AU — mission documents contain both units when presenting hardware specs alongside scientific objectives.
US amateur astronomers who think in yards convert AU-based ephemeris data to yards for intuitive scale comparison — contextualising planetary distances in familiar sporting and measurement terms for outreach.
US educators building solar system scale models in yards: at 1 yard = 1 million miles, the Earth is 93 yards from the "Sun" — fitting the inner solar system on a football field and making planetary distances physically walkable.
US policymakers and Congressional staff who think in yards and miles convert AU distances to familiar units when evaluating space exploration proposals — both scales appear in the same Congressional briefing document.
Comprehensive converters include yd-to-AU for US researchers and educators who need to contextualise astronomical distances in the yard-based US customary system used in sports, construction, and everyday American life.
The Yard is a unit of Length measurement (symbol: yd). 1 yd = 6.1123×10-12 au. Used in scientific and practical Length measurement applications.
The Astronomical Unit is a unit of Length measurement (symbol: au). It is part of an internationally recognised measurement system used alongside the Yard.
The yard has a disputed but fascinating origin. One theory holds it was defined as the distance from King Henry I's nose to the tip of his outstretched thumb — a royal standard of convenience used when no measuring instrument was at hand. It was formally codified at 3 feet in 1558 under Queen Elizabeth I. The Imperial Standard Yard — a bronze bar with two gold plugs defining the precise distance — was created in 1845 to replace the original, which was destroyed in the catastrophic fire that burned down the old Houses of Parliament in 1834. The yard was fixed at exactly 0.9144 metres under the International Yard and Pound Agreement of 1959, signed by the US, UK, Canada, Australia, New Zealand, and South Africa. Today the yard remains the primary distance unit in American football, golf, swimming, and cricket.
The astronomical unit has ancient roots — Aristarchus of Samos attempted to measure the Earth-Sun distance around 270 BC. Edmond Halley organised the first coordinated international transit-of-Venus expedition in 1716. The modern value was determined by radar ranging to Venus in 1961. The IAU formally defined the AU as exactly 149,597,870,700 metres in 2012 — a fixed constant of physics.
Common use: Yard to Astronomical Unit conversion is needed when working with international standards, scientific publications, or reference materials that use different unit systems for Length measurement.