Ballpark — July 11, 2026
Answers to that day's 5 daily estimation questions.
Runtime of the movie Oppenheimer
180 minutes
Christopher Nolan's longest film to date.
About how fast does a typical raindrop fall at terminal velocity?
~20 mph
Raindrops don’t fall as fast as you’d think—often around 15–25 mph.
About how many calories are in one tablespoon of peanut butter?
~95 calories
Peanut butter is calorie-dense: about 90–100 calories per tablespoon.
Strings on a standard guitar
6 strings
Standard tuning is EADGBE.
Percentage of Americans who have never left the US
~25%
Many others have only traveled to one or two countries.