What is Fermi?
Three daily estimation questions from different categories. You won't know the exact answer, so reason your way to a sensible number.
Fermi is a free daily estimation game that will also appeal to fans of trivia games. Everyone gets the same puzzle each day, so it's easy to compare results with friends.
How to play Fermi
- Look at today's Fermi question or object.
- Give your best estimate. Precision matters, but being close still scores.
- Compare your answer with the real one and learn for tomorrow.