About how old is the Earth?

About 4.5 billion years.

Start playing free

  1. About 4.5 million years
  2. About 4,500 years
  3. About 4.5 billion years ✔

Why: Today the Earth is known to be approximately 4.5 billion years old.

Huh, didn't know that: Today the Earth is known to be approximately 4.5 billion years old.

The dad joke
Earth is old enough to know better.
Like this card?
Play the game

References

Answer: About 4.5 billion years. Today the Earth is known to be approximately 4.5 billion years old.

  1. Geology en.wikipedia.org/wiki/Geology
    Today the Earth is known to be approximately 4.5 billion years old.
    Checked 2026-11-07.

Think this answer is wrong? Tap "Challenge this answer" on the card in the game and tell us why.