`D_"(Universe)" = 8.8 X 10^26 m`

8.8E+26

The estimated diameter of the Universe is 8.8E26 m. The observable universe is thus a sphere with a diameter that is approximately 93 Billion Light Years (93GLY). That is equivalent to 28.5 gigaparsecs.

See also

• Estimate of the Diameter of the Milky Way
• Lower Estimate of the Diameter of the Milky Way
• Upper  Estimate of the Diameter of the Milky Way
• Sun's distance from the center of the Milky Way
• What is the Universe