Fermi Problems Archive

How many potatoes are harvested worldwide every year?

How many public restrooms are there in New York City?

How many contact lenses are thrown away in the US every day?

How many pairs of socks does a household lose in the laundry each year?

How many hotel rooms are occupied worldwide tonight?

How many fish are caught commercially worldwide every day?

How many pillows are sold in the US every year?

How many steps are climbed in the Eiffel Tower by visitors each day?

How many years of TV and streaming have been watched worldwide today, combined?

How many taxi rides are taken in Tokyo every day?

How many babies are born worldwide every minute?

How many chopsticks are used in China every day?

How many bicycles are stolen in the US every year?

How many eggs are laid by chickens worldwide every day?

How many violins are being played in orchestras worldwide right now?

How many light switches are flipped in the US every day?

How many public libraries are open somewhere in the world, right now?

How many golf balls are lost every year, worldwide?

How many people get a tattoo in the US every day?

How many street vendors are operating in Mumbai right now?

How many people change their name legally in the US each year?

How many bottles of wine are opened worldwide every day?

How many volcanic eruptions happen on Earth in a year?

How many elevators exist worldwide?

How many books does the average person read in a lifetime?

How many balloons are released or popped at events worldwide each day?

How many pizza boxes are thrown away in the US every day?

How many people are asleep right now, worldwide?

How many miles do delivery trucks drive in the US every day?

How many candles are lit for birthdays worldwide today?