Parsecs (pc)	Astronomical Units (AU)
1 pc	206264.81 AU
2 pc	412529.61 AU
5 pc	1031324.03 AU
10 pc	2062648.06 AU
25 pc	5156620.16 AU
50 pc	10313240.31 AU
100 pc	20626480.62 AU
250 pc	51566201.56 AU
500 pc	103132403.12 AU
1000 pc	206264806.25 AU

Convert Parsecs to Astronomical Units

Convert parsecs to astronomical units (pc to AU) with our instant calculator. 1 pc = 206264.806247 AU. Includes exact formula and reference tables.

How to Convert Parsecs to Astronomical Units (pc to AU)

1 Parsec (pc) is equal to 206264.806247 Astronomical Units (AU). Multiply the parsec value by 206264.8062

Quick Answer 1 pc = 206264.806247 AU

Formula AU = pc × 206264.8062

Inverse Factor 1 AU = 0.000005 pc

Unit Definitions & Metrology Context

The standard SI base unit of length is the meter (m), defined as the distance traveled by light in a vacuum in 1/299,792,458 of a second.

About Parsecs (pc): Parsec (pc) is a unit in the Length & Distance measurement category. It is widely used in astrophysics (~3.26 light-years). Relative to the length & distance base unit, 1 pc equals 30856775814913672 Meters (m).

About Astronomical Units (AU): Astronomical Unit (AU) is a unit in the Length & Distance measurement category. It is widely used in earth-sun distance (solar system). Relative to the length & distance base unit, 1 AU equals 149597870700 Meters (m).

Need to convert in the opposite direction? Visit our Convert Astronomical Units to Parsecs (AU to pc) calculator (1 AU = 0.000005 pc).

Step-by-Step Worked Examples (pc to AU)

Convert 5 Parsecs to Astronomical Units: Applying the formula (AU = pc × 206264.8062): starting with 5 pc, multiply the parsec value by 206264.8062 to get 1031324.0312 AU.
Convert 10 Parsecs to Astronomical Units: Applying the formula (AU = pc × 206264.8062): starting with 10 pc, multiply the parsec value by 206264.8062 to get 2062648.0625 AU.
Convert 50 Parsecs to Astronomical Units: Applying the formula (AU = pc × 206264.8062): starting with 50 pc, multiply the parsec value by 206264.8062 to get 10313240.3124 AU.

Popular Length & Distance Conversions

Kilometer ⇄ Mile

Multiply kilometers by ~0.621371 to get miles, or divide miles by 0.621371 to get kilometers.

Inch ⇄ Centimeter

1 inch is legally and scientifically defined as exactly 2.54 centimeters.

Foot ⇄ Meter

1 foot is defined as exactly 0.3048 meters (12 inches).

Mile ⇄ Nautical Mile

1 nautical mile is exactly 1,852 meters (~1.15078 statute miles).

Frequently Asked Questions

Verified answers and formulas for converting parsecs to astronomical units.

How many astronomical units are in 1 parsec?

There are 206264.806247 astronomical units (AU) in 1 parsec (pc). Conversely, 1 astronomical unit equals 0.000005 parsecs.

How do you convert parsecs to astronomical units?

To convert parsecs (pc) to astronomical units (AU), use the formula: AU = pc × 206264.8062. Multiply the parsec value by 206264.8062. For example, 10 pc equals 2062648.0625 AU.

How do I convert back from astronomical units to parsecs?

To convert in the reverse direction from astronomical units (AU) to parsecs (pc), use the inverse formula: pc = AU × 0.000004848136811. Multiply the astronomical unit value by 0.000004848136811 (1 AU = 0.000005 pc).

What is the difference between parsec (pc) and astronomical unit (AU)?

Both parsec and astronomical unit measure length & distance. Parsec (pc) is a unit in the Length & Distance measurement category. It is widely used in astrophysics (~3.26 light-years). Relative to the length & distance base unit, 1 pc equals 30856775814913672 Meters (m). Astronomical Unit (AU) is a unit in the Length & Distance measurement category. It is widely used in earth-sun distance (solar system). Relative to the length & distance base unit, 1 AU equals 149597870700 Meters (m).

How many miles are in a kilometer?

There are approximately 0.621371 miles in 1 kilometer. To convert kilometers to miles quickly in your head, multiply by 6 and divide by 10 (or multiply by 0.6).