Waste less time on Facebook — follow Brilliant.
Back to all chapters

Fermi Estimation

How many stoplights are in your city? How many golf balls does it take to fill a plane? These seemingly un-answerable questions can be estimated surprisingly accurately using some clever techniques.

Fermi Estimates Warmup


If tickets to a baseball game generally cost between $10 and $30, a season has about 150 games, and each game is attended by 50,000-75,000 people, which of the following is a good estimate for ticket sales revenue?

True or False?

One underlying principle in using estimation techniques is that it's always better to overestimate rather than underestimate.

Which value is the most reasonable estimate for how many candies are in the jar?

If an empty room measures about 50 feet wide by 50 feet long, which of the following is a good estimate of how many people can stand shoulder-to-shoulder in the room? \((50 \text{ft} \approx 15 \text{m}\))

When determining how many bricks will cover the outside of the school building, it is important to estimate measurements in:


Problem Loading...

Note Loading...

Set Loading...