How far is a megaparsec in miles?

Answer 1

According to Wikipedia, a parsec is 30 trillion kilometers.

So, a megaparsec is 30 million trillion kilometers.

And, since there are about .62 miles in a kilometer,

a megaparsec is about 19 million trillion (or quintillion) miles.

More precisely, 1 parsec = 3.08568025 x 10^16 meters.

So, 1 megaparsec = 10^6 * 3.08568025 x 10^16 meters

or 3.08568025 x 10^22 meters. Converting to kilometers,

a megaparsec is 3.08568025 x 10^19 kilometers. Converting

to miles, a megaparsec is .621371192 * 3.08568025 x 10^19

miles or 1.91735282 x 10^19 miles. This is equivalent to

19.1735282 x 10^18 miles. Since 10^18 is a million trillion

(or quintillion), 1 megaparsec = 19.1735282 million trillion miles.

Answer 2

Answer: 1.15 PC = 22,049,538,445,478.4 mi.

Answer 3

19,173,528,100,000 miles.