Ballpark — October 3, 2026
Answers to that day's 5 daily estimation questions.
About how many gallons of gas does a typical car’s fuel tank hold?
~14 gal
Many sedans have fuel tanks in the 12–16 gallon range.
What temperature is an average household refrigerator set to?
~37 °F
Many fridges are set just above freezing to keep food safe.
About what is normal human body temperature?
98 °F
Normal body temperature is roughly 98–99°F.
How many minutes does it take a recreational runner to run one mile?
~10 minutes
Many casual runners run a mile in about 8–12 minutes.
Heart rate of a blue whale
~4 gal/cycle
Many modern dishwashers use only a few gallons per load.