Ballpark — February 22, 2026
Answers to that day's 5 daily estimation questions.
Strings on a standard guitar
6 strings
Standard tuning is EADGBE.
Years The Simpsons has been on the air
35 years
Premiered in 1989.
Cost to build the Golden Gate Bridge (today’s USD)
550 USD (millions)
The original cost was $35 million in 1937 dollars.
About how much does a gallon of milk weigh?
~8.6 lb
A gallon of milk weighs a little more than a gallon of water.
About how many millimeters do fingernails grow in a month?
~3 mm/month
Fingernails typically grow a few millimeters per month.