How many miles are in 1 parsec?

One parsec contains approximately 1.917 x 1013 miles (about 19.2 trillion).

Is the mile used in astronomy?

Never professionally. American popular science sometimes expresses distances in miles for public understanding, but all professional astronomical work uses parsecs (or light-years).

Miles to Parsecs (mi to pc) Converter

Q: How many parsecs is 1 mile?

One mile equals approximately 5.216 x 10-14 parsecs.

1 mi = 5.21553 × 10⁻¹⁴ pc

1 Mile equals 5.21553 × 10⁻¹⁴ Parsecs (1 mi = 5.21553 × 10⁻¹⁴ pc). Convert Miles to Parsecs with formula, table, and examples.

One mile equals approximately 5.216 x 10^-14 parsecs. A parsec (about 19.17 trillion miles) measures interstellar distances. The mile is Earth's road unit; the parsec is the astronomer's standard. About 13 orders of magnitude separate them.

How to Convert Miles to Parsecs

pc = mi × 5.21553 × 10⁻¹⁴

Multiply the value in Miles by 5.21553 × 10⁻¹⁴

Take your value in Miles
Multiply by 5.21553 × 10⁻¹⁴
Read the result in Parsecs

Common Miles to Parsecs Conversions

Miles (mi)	Parsecs (pc)	Status
1 mi	5.21553 × 10⁻¹⁴ pc
100 mi	5.21553 × 10⁻¹² pc
10,000 mi	5.21553 × 10⁻¹⁰ pc
1,000,000 mi	5.21553 × 10⁻⁸ pc
100,000,000 mi	0.000005 pc
10,000,000,000 mi	0.0005 pc
1,000,000,000,000 mi	0.0522 pc
100,000,000,000,000 mi	5.2155 pc

Good to Know About Miles to Parsecs Conversion

The mile is America's unit. The parsec is astronomy's unit. Americans contextualizing '4.24 light-years to the nearest star' convert it to '24.9 trillion miles' to feel the distance viscerally. The mile provides intuition; the parsec provides precision. Both have their place.

Miles to Parsecs: What You Need to Know

Proxima Centauri at 1.3 parsecs is about 24.9 trillion miles. The Milky Way at 30,660 parsecs across is about 588 quadrillion miles. Professional astronomers never use miles, but Americans contextualizing stellar distances often convert to miles first.

What is a Mile? mi

An imperial unit of length equal to 5,280 feet or approximately 1.609 kilometers. The standard unit for road distances in the US and UK.

Imperial Us-customary road distances (US/UK) running aviation

Learn more about Mile →

What is a Parsec? pc

The distance at which one astronomical unit subtends an angle of one arcsecond. Approximately 3.26 light-years or 30.857 trillion kilometers. The standard unit in professional astronomy.

Astronomical professional astronomy galactic distances

Learn more about Parsec →

Going the other way? Use our Parsecs to Miles converter.

Miles to Parsecs FAQ

One mile equals approximately 5.216 x 10^-14 parsecs.
One parsec contains approximately 1.917 x 10¹³ miles (about 19.2 trillion).
Never professionally. American popular science sometimes expresses distances in miles for public understanding, but all professional astronomical work uses parsecs (or light-years).

Non-Frequently Asked Questions About Miles to Parsecs

Questions nobody should ask - but someone did.

Voyager 1 has traveled about 14.8 billion miles since 1977. That is about 7.72 x 10^-4 parsecs (0.077% of 1 parsec). After 48 years, Voyager has barely scratched the first parsec. Interstellar travel is hard.
The Milky Way is about 30,660 parsecs (588 quadrillion miles) across. A highway lane is about 12 feet (0.00227 miles). The Milky Way would be about 2.59 x 10¹⁷ lanes wide (259 quadrillion lanes). Traffic would still be terrible.
Sun distance: 93 million miles. 1 parsec: 19.17 trillion miles. That is about 206,265 trips to the Sun. If you drove to the Sun and back every day, it would take 564 years to cover 1 parsec. The Sun is close; parsecs are not.