Parsecs (pc)	Kilometers (km)
1 pc	30856775814900 km
2 pc	61713551629800 km
5 pc	1.5428e+14 km
10 pc	3.0857e+14 km
25 pc	7.7142e+14 km
50 pc	1.5428e+15 km
100 pc	3.0857e+15 km
250 pc	7.7142e+15 km
500 pc	1.5428e+16 km
1000 pc	3.0857e+16 km

Convert Parsecs to Kilometers

Convert parsecs to kilometers (pc to km) with our instant calculator. 1 pc = 30856775814913.671875 km. Includes exact formula and reference tables.

How to Convert Parsecs to Kilometers (pc to km)

1 Parsec (pc) is equal to 30856775814913.671875 Kilometers (km). Multiply the parsec value by 30856775810000

Quick Answer 1 pc = 30856775814913.671875 km

Formula km = pc × 30856775810000

Inverse Factor 1 km = 0 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 Kilometers (km): Kilometer (km) is a unit in the Length & Distance measurement category. It is a standard everyday unit of length & distance measurement. Relative to the length & distance base unit, 1 km equals 1000 Meters (m).

Need to convert in the opposite direction? Visit our Convert Kilometers to Parsecs (km to pc) calculator (1 km = 0 pc).

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

Convert 5 Parsecs to Kilometers: Applying the formula (km = pc × 30856775810000): starting with 5 pc, multiply the parsec value by 30856775810000 to get 154283879074568.3438 km.
Convert 10 Parsecs to Kilometers: Applying the formula (km = pc × 30856775810000): starting with 10 pc, multiply the parsec value by 30856775810000 to get 308567758149136.6875 km.
Convert 50 Parsecs to Kilometers: Applying the formula (km = pc × 30856775810000): starting with 50 pc, multiply the parsec value by 30856775810000 to get 1542838790745683.75 km.

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 kilometers.

How many kilometers are in 1 parsec?

There are 30856775814913.671875 kilometers (km) in 1 parsec (pc). Conversely, 1 kilometer equals 0 parsecs.

How do you convert parsecs to kilometers?

To convert parsecs (pc) to kilometers (km), use the formula: km = pc × 30856775810000. Multiply the parsec value by 30856775810000. For example, 10 pc equals 308567758149136.6875 km.

How do I convert back from kilometers to parsecs?

To convert in the reverse direction from kilometers (km) to parsecs (pc), use the inverse formula: pc = km × 3.240779289e-14. Multiply the kilometer value by 3.240779289e-14 (1 km = 0 pc).

What is the difference between parsec (pc) and kilometer (km)?

Both parsec and kilometer 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). Kilometer (km) is a unit in the Length & Distance measurement category. It is a standard everyday unit of length & distance measurement. Relative to the length & distance base unit, 1 km equals 1000 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).