📐 Mils to Astronomical Units Converter

5.0 out of 5 (4 ratings)

Enter details

250 mils =
4.24471 × 10⁻¹⁴ astronomical units
1 mil =
1.69789 × 10⁻¹⁶ astronomical units
1 astronomical unit =
5.88968 × 10¹⁵ mils
Formula
AU = mil × 1.69789 × 10⁻¹⁶
Handy values
100 mil = 1.69789 × 10⁻¹⁴ AU · 1,000 mil = 1.69789 × 10⁻¹³ AU · 10,000 mil = 1.69789 × 10⁻¹² AU

Rate this calculator

Was it useful? A quick star rating helps others — and you can leave a comment too.
Rate it: ★ ★ ★ ★ ★

⚡ Mils to Astronomical Units: the quick answer

1 mil = 1.69789 × 10⁻¹⁶ AU 1 mil equals 1.69789 × 10⁻¹⁶ astronomical units

To convert mils to astronomical units, multiply the value by 1.69789 × 10⁻¹⁶. To go the other way, multiply astronomical units by 5.88968 × 10¹⁵ to get mils.

↔ Convert astronomical units to mils instead

🧮 Formula

Mils to Astronomical Units
AU = mil × 1.69789 × 10⁻¹⁶
Astronomical Units to Mils
mil = AU × 5.88968 × 10¹⁵

Where

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

📊 Mils to Astronomical Units conversion table

Mils (mil)Astronomical Units (AU)
1 mil1.69789 × 10⁻¹⁶ AU
5 mil8.48943 × 10⁻¹⁶ AU
10 mil1.69789 × 10⁻¹⁵ AU
25 mil4.24471 × 10⁻¹⁵ AU
50 mil8.48943 × 10⁻¹⁵ AU
100 mil1.69789 × 10⁻¹⁴ AU
250 mil4.24471 × 10⁻¹⁴ AU
500 mil8.48943 × 10⁻¹⁴ AU
1,000 mil1.69789 × 10⁻¹³ AU
2,500 mil4.24471 × 10⁻¹³ AU
5,000 mil8.48943 × 10⁻¹³ AU
10,000 mil1.69789 × 10⁻¹² AU
100,000 mil1.69789 × 10⁻¹¹ AU
1,000,000 mil1.69789 × 10⁻¹⁰ AU

✏️ Worked examples

Convert 25 mils to astronomical units

25 mil × 1.69789 × 10⁻¹⁶ = 4.24471 × 10⁻¹⁵ AU

Try this example →

Convert 250 mils to astronomical units

250 mil × 1.69789 × 10⁻¹⁶ = 4.24471 × 10⁻¹⁴ AU

Try this example →

📘 About these units

Mil (mil). A mil, also called a thou, is one thousandth of an inch (0.0254 mm), used for thin films, wire and coatings.

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 mil?

There are 1.69789 × 10⁻¹⁶ astronomical units in one mil.

How do I convert mils to astronomical units?

Multiply the number of mils by 1.69789 × 10⁻¹⁶. For example, 10 mils equal 1.69789 × 10⁻¹⁵ astronomical units.

How many mils are in one astronomical unit?

One astronomical unit equals 5.88968 × 10¹⁵ mils.

How many astronomical units is 1,000 mils?

1.69789 × 10⁻¹³ astronomical units. Other common values: 100 mils = 1.69789 × 10⁻¹⁴ astronomical units and 10,000 mils = 1.69789 × 10⁻¹² astronomical units.

What people are saying
★★★★★
Anonymous · 10 Oct 2026
★★★★★
Anonymous · 02 Oct 2026
★★★★★
Anonymous · 01 Oct 2026
★★★★★
Anonymous · 28 Sep 2026