📐 Barleycorns to Astronomical Units Converter

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1 barleycorn =
5.65964 × 10⁻¹⁴ astronomical units
1 astronomical unit =
17,668,970,283,582 barleycorns
Formula
AU = bc × 5.65964 × 10⁻¹⁴
Handy values
100 bc = 5.65964 × 10⁻¹² AU · 1,000 bc = 5.65964 × 10⁻¹¹ AU · 10,000 bc = 5.65964 × 10⁻¹⁰ AU

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⚡ Barleycorns to Astronomical Units: the quick answer

1 bc = 5.65964 × 10⁻¹⁴ AU 1 barleycorn equals 5.65964 × 10⁻¹⁴ astronomical units

To convert barleycorns to astronomical units, multiply the value by 5.65964 × 10⁻¹⁴. To go the other way, multiply astronomical units by 17,668,970,283,582 to get barleycorns.

↔ Convert astronomical units to barleycorns instead

🧮 Formula

Barleycorns to Astronomical Units
AU = bc × 5.65964 × 10⁻¹⁴
Astronomical Units to Barleycorns
bc = AU × 17,668,970,283,582

Where

  • bc = the length in barleycorns
  • AU = the length in astronomical units
Every unit here is defined by its length in meters, so the conversion factor is (meters per barleycorn) ÷ (meters per astronomical unit).

📊 Barleycorns to Astronomical Units conversion table

Barleycorns (bc)Astronomical Units (AU)
1 bc5.65964 × 10⁻¹⁴ AU
5 bc2.82982 × 10⁻¹³ AU
10 bc5.65964 × 10⁻¹³ AU
25 bc1.41491 × 10⁻¹² AU
50 bc2.82982 × 10⁻¹² AU
100 bc5.65964 × 10⁻¹² AU
250 bc1.41491 × 10⁻¹¹ AU
500 bc2.82982 × 10⁻¹¹ AU
1,000 bc5.65964 × 10⁻¹¹ AU
2,500 bc1.41491 × 10⁻¹⁰ AU
5,000 bc2.82982 × 10⁻¹⁰ AU
10,000 bc5.65964 × 10⁻¹⁰ AU
100,000 bc5.65964 × 10⁻⁹ AU
1,000,000 bc5.65964 × 10⁻⁸ AU

✏️ Worked examples

Convert 25 barleycorns to astronomical units

25 bc × 5.65964 × 10⁻¹⁴ = 1.41491 × 10⁻¹² AU

Try this example →

Convert 250 barleycorns to astronomical units

250 bc × 5.65964 × 10⁻¹⁴ = 1.41491 × 10⁻¹¹ AU

Try this example →

📘 About these units

Barleycorn (bc). The barleycorn is one third of an inch (about 8.47 mm), historically the length of a grain of barley.

Astronomical unit (AU). An astronomical unit is the average distance from the Earth to the Sun, about 149.6 million kilometers.

❓ Frequently asked questions

How many astronomical units are in one barleycorn?

There are 5.65964 × 10⁻¹⁴ astronomical units in one barleycorn.

How do I convert barleycorns to astronomical units?

Multiply the number of barleycorns by 5.65964 × 10⁻¹⁴. For example, 10 barleycorns equal 5.65964 × 10⁻¹³ astronomical units.

How many barleycorns are in one astronomical unit?

One astronomical unit equals 17,668,970,283,582 barleycorns.

How many astronomical units is 1,000 barleycorns?

5.65964 × 10⁻¹¹ astronomical units. Other common values: 100 barleycorns = 5.65964 × 10⁻¹² astronomical units and 10,000 barleycorns = 5.65964 × 10⁻¹⁰ astronomical units.

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