📐 Fathoms to Astronomical Units Converter

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1 fathom =
1.22248 × 10⁻¹¹ astronomical units
1 astronomical unit =
81,801,100,000 fathoms
Formula
AU = ftm × 1.22248 × 10⁻¹¹
Handy values
100 ftm = 1.22248 × 10⁻⁹ AU · 1,000 ftm = 1.22248 × 10⁻⁸ AU · 10,000 ftm = 1.22248 × 10⁻⁷ AU

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⚡ Fathoms to Astronomical Units: the quick answer

1 ftm = 1.22248 × 10⁻¹¹ AU 1 fathom equals 1.22248 × 10⁻¹¹ astronomical units

To convert fathoms to astronomical units, multiply the value by 1.22248 × 10⁻¹¹. To go the other way, multiply astronomical units by 81,801,100,000 to get fathoms.

↔ Convert astronomical units to fathoms instead

🧮 Formula

Fathoms to Astronomical Units
AU = ftm × 1.22248 × 10⁻¹¹
Astronomical Units to Fathoms
ftm = AU × 81,801,100,000

Where

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

📊 Fathoms to Astronomical Units conversion table

Fathoms (ftm)Astronomical Units (AU)
1 ftm1.22248 × 10⁻¹¹ AU
5 ftm6.11239 × 10⁻¹¹ AU
10 ftm1.22248 × 10⁻¹⁰ AU
25 ftm3.05619 × 10⁻¹⁰ AU
50 ftm6.11239 × 10⁻¹⁰ AU
100 ftm1.22248 × 10⁻⁹ AU
250 ftm3.05619 × 10⁻⁹ AU
500 ftm6.11239 × 10⁻⁹ AU
1,000 ftm1.22248 × 10⁻⁸ AU
2,500 ftm3.05619 × 10⁻⁸ AU
5,000 ftm6.11239 × 10⁻⁸ AU
10,000 ftm1.22248 × 10⁻⁷ AU
100,000 ftm1.22248 × 10⁻⁶ AU
1,000,000 ftm1.22248 × 10⁻⁵ AU

✏️ Worked examples

Convert 25 fathoms to astronomical units

25 ftm × 1.22248 × 10⁻¹¹ = 3.05619 × 10⁻¹⁰ AU

Try this example →

Convert 250 fathoms to astronomical units

250 ftm × 1.22248 × 10⁻¹¹ = 3.05619 × 10⁻⁹ AU

Try this example →

📘 About these units

Fathom (ftm). A fathom is 6 feet (1.8288 m), traditionally used to measure the depth of water.

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 fathom?

There are 1.22248 × 10⁻¹¹ astronomical units in one fathom.

How do I convert fathoms to astronomical units?

Multiply the number of fathoms by 1.22248 × 10⁻¹¹. For example, 10 fathoms equal 1.22248 × 10⁻¹⁰ astronomical units.

How many fathoms are in one astronomical unit?

One astronomical unit equals 81,801,100,000 fathoms.

How many astronomical units is 1,000 fathoms?

1.22248 × 10⁻⁸ astronomical units. Other common values: 100 fathoms = 1.22248 × 10⁻⁹ astronomical units and 10,000 fathoms = 1.22248 × 10⁻⁷ astronomical units.

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