Ballpark — May 19, 2026
Answers to that day's 5 daily estimation questions.
About what percentage of Cheerios (by weight) is sugar?
~4%
Original Cheerios are relatively low-sugar compared with many cereals.
Volume of water in the Great Lakes
22,000 cubic km
Enough to flood the continental US 9 feet deep.
Letters in the longest word ever printed
190,000 letters
The chemical name for the protein titin.
People who saw the Beatles at Shea Stadium
55,000 people
In 1965, it was an unheard-of audience size.
Total number of humans who have ever lived
110 billion people
Estimated total over the last 200,000 years.