Ballpark — May 16, 2026
Answers to that day's 5 daily estimation questions.
Total height of all peaks in the Tour de France
150,000 feet
Cumulative elevation gain over 21 stages.
About how many hours of listening can wireless earbuds last on a single charge?
~6 hours
Many earbuds land around 4–8 hours per charge.
About how many megabits per second is a typical home internet download speed?
~300 Mbps
Home internet speeds often range from tens to hundreds of Mbps.
About how many pounds of trash does an average US household produce in a week?
~30 lb/week
Household waste adds up quickly—often tens of pounds per week.
About how hot can a lightning bolt get compared to the surface of the Sun?
~50,000 °F
Lightning can be several times hotter than the Sun’s surface.