Ballpark — August 4, 2026
Answers to that day's 5 daily estimation questions.
Steps an average person takes in a lifetime
200 million steps
Assuming 5,000 steps per day for 80 years.
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.
About how many inches does human hair grow in a year on average?
~6 inches/year
Hair grows about half an inch per month on average.