Ballpark — April 24, 2026
Answers to that day's 5 daily estimation questions.
How many calories are in a 32-oz jar of mayonnaise?
~5,440 calories
A typical 32-oz jar of mayo contains roughly 5,000–6,000 calories total.
Total aircraft in the US commercial fleet
6,000 aircraft
Operated by major and regional carriers.
Dimensions of a standard basketball hoop
18 inches
Inner diameter of the rim.
Total books in the Harry Potter series
7 books
From Sorcerer's Stone to Deathly Hallows.
Countries that share a border with Brazil
10 countries
Only Chile and Ecuador do not border Brazil.