Ballpark — June 13, 2026
Answers to that day's 5 daily estimation questions.
Pounds of trash an average person creates daily
5 lbs
Adds up to nearly a ton per year.
Elements in the Periodic Table
118 elements
The last four were officially added in 2016.
Total length of the world's coastline
220,000 miles
Difficult to measure exactly due to the coastline paradox.
Average runtime of a Hollywood feature film
110 minutes
Includes trailers and credits.
Length of the Amazon River
4,000 miles
It carries more water than any other river system.