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Astronomical Units to Rods (au to rd) Converter

1 au = 29,745,858,327.3682 rd

1 Astronomical Unit equals 29,745,858,327.3682 Rods (1 au = 29,745,858,327.3682 rd). Convert Astronomical Units to Rods with formula, table, and examples.

One astronomical unit equals approximately 2.976 x 1010 rods, or about 29.8 billion rods. The rod (16.5 feet / 5.0292 m) is a historical English land surveying unit. No land surveyor has ever needed to measure planetary distances, and no astronomer has measured star positions in rods.

How to Convert Astronomical Units to Rods

rd = au × 29,745,858,327.3681678772
Multiply the value in Astronomical Units by 29,745,858,327.3681678772
  1. Take your value in Astronomical Units
  2. Multiply by 29,745,858,327.3681678772
  3. Read the result in Rods

Common Astronomical Units to Rods Conversions

Astronomical Units (au) Rods (rd) Status
1 × 10⁻¹⁰ au 2.9746 rd
1 × 10⁻⁹ au 29.7459 rd
1 × 10⁻⁸ au 297.4586 rd
1 × 10⁻⁷ au 2,974.5858 rd
0.000001 au 29,745.8583 rd
0.00001 au 297,458.5833 rd
0.0001 au 2,974,585.8327 rd
0.001 au 29,745,858.3274 rd
0.01 au 297,458,583.2737 rd
0.1 au 2,974,585,832.7368 rd
1 au 29,745,858,327.3682 rd

Good to Know About Astronomical Units to Rods Conversion

The rod helped build the English countryside through land surveying. The AU helps us understand our solar system through orbital mechanics. Both units were created to solve practical problems, just at incompatible scales.

Astronomical Units to Rods: What You Need to Know

One rod (5.0292 m) fits about 29.8 billion times into the Earth-Sun distance. The entire length of Hadrian's Wall (73 miles / about 23,450 rods) is only 0.000786 AU. These units exist in completely separate measurement worlds separated by about 10 orders of magnitude.

What is a Astronomical Unit? au

Exactly 149,597,870,700 meters by IAU 2012 definition. Roughly the average distance from the Earth to the Sun. Used for distances within our solar system.

Astronomical solar system distances astronomy planetary science
Learn more about Astronomical Unit →

What is a Rod? rd

Exactly 16.5 feet or 5.5 yards (5.0292 m). Also called a perch or pole. Historically used in land surveying.

Imperial land surveying historical
Learn more about Rod →

Going the other way? Use our Rods to Astronomical Units converter.

Astronomical Units to Rods FAQ

  • One AU contains approximately 2.976 x 1010 rods (about 29.8 billion). Since 1 rod = 5.0292 meters and 1 AU = 149,597,870,700 meters, divide accordingly.

  • One rod is approximately 3.361 x 10-11 AU, or about 34 trillionths of an AU. A rod is vanishingly small on the astronomical scale.

  • No. The rod is a historical land surveying unit with no modern applications beyond interpreting old property deeds. The AU measures planetary orbits. These fields are completely separate.

Non-Frequently Asked Questions About Astronomical Units to Rods

Questions nobody should ask - but someone did.

  • A typical medieval English village occupied about 200-500 rods of road frontage with strips extending 40 rods (1 furlong) back from the road. The entire village was perhaps 200 x 40 = 8,000 square rods (50 acres). A surveyor could map the whole village in a day. The rod was village-scale precision.