How many AU is 1 inch?

One inch equals approximately 1.698 x 10-13 AU.

How many inches are in 1 AU?

One AU contains approximately 5.89 x 1012 inches (about 5.89 trillion).

Is this conversion practical?

No. Inches and AU serve completely different measurement scales separated by about 13 orders of magnitude.

Inches to Astronomical Units (in to au) Converter

1 in = 1.69789 × 10⁻¹³ au

1 Inch equals 1.69789 × 10⁻¹³ Astronomical Units (1 in = 1.69789 × 10⁻¹³ au). Convert Inches to Astronomical Units with formula, table, and examples.

One inch equals approximately 1.698 x 10^-13 astronomical units. The Earth-Sun distance (1 AU) is about 5.89 x 10¹² inches (5.89 trillion inches). The inch measures everyday objects; the AU measures planetary orbits.

How to Convert Inches to Astronomical Units

au = in × 1.69789 × 10⁻¹³

Multiply the value in Inches by 1.69789 × 10⁻¹³

Take your value in Inches
Multiply by 1.69789 × 10⁻¹³
Read the result in Astronomical Units

Common Inches to Astronomical Units Conversions

Inches (in)	Astronomical Units (au)	Status
10,000,000,000,000 in	1.6979 au
20,000,000,000,000 in	3.3958 au
50,000,000,000,000 in	8.4894 au
100,000,000,000,000 in	16.9789 au
250,000,000,000,000 in	42.4471 au
500,000,000,000,000 in	84.8943 au
1 × 10¹⁵ in	169.7885 au
5 × 10¹⁵ in	848.9426 au
1 × 10¹⁶ in	1,697.8851 au

Good to Know About Inches to Astronomical Units Conversion

Screen sizes worldwide use inches - even in metric countries. But nobody has ever expressed the Earth-Sun distance in inches. The inch rules the living room. The AU rules the solar system. Neither crosses into the other's territory.

Inches to Astronomical Units: What You Need to Know

The Earth-Sun distance is about 5.89 trillion inches. A 55-inch TV screen is 9.35 x 10^-12 AU. Mount Everest at about 346,000 inches is 5.88 x 10^-8 AU. Even the tallest mountain is an infinitesimal fraction of an AU.

What is a Inch? in

An imperial unit of length equal to exactly 2.54 centimeters. Commonly used in the US and UK for screen sizes, body measurements, and construction.

Imperial Us-customary screen sizes construction (US) body measurements

Learn more about Inch →

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 →

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

Inches to Astronomical Units FAQ

One inch equals approximately 1.698 x 10^-13 AU.
One AU contains approximately 5.89 x 10¹² inches (about 5.89 trillion).
No. Inches and AU serve completely different measurement scales separated by about 13 orders of magnitude.

Non-Frequently Asked Questions About Inches to Astronomical Units

Questions nobody should ask - but someone did.

A 55-inch TV is about 0.00000093 AU. You would need about 1.07 million 55-inch TVs end-to-end to reach the Sun. The ultimate home theater setup.