How big is the universe in km?

2 Answers
May 22, 2017

It's quite big


The universe in light years is about 46 BILLION LIGHT YEARS, so that's a lot.
And even 1 light year is equal to 9.461e+12, so that even can't be counted, and 46 billion light years is equal to 4.35193601739e+23, so it can't be sort of counted.
Hope you understood.

May 22, 2017

The diameter of the observable universe is about #4.40# x #10^23# km.


The diameter of the Observable Universe is about 46.5 billion light years or #4.40# x #10^23# km.

Observable Universe