DAILY NO. 15 · VERIFIED MEASUREMENTS
The five sports objects from the Size It Up puzzle on September 15, 2026, with the measured size of each, the reference it was compared against, a source you can check, and how the community's guesses landed. Want the surprise first? Replay this puzzle — archived days never touch your streak.
Answer: a hockey puck measures 7.6 cm (length / span), which is almost exactly the same size as the reference, a chocolate chip cookie at 8 cm.
A regulation puck is exactly three inches across.
Common miss: players tend to inflate a hockey puck when it sits beside a chocolate chip cookie — big things get squeezed, small familiar things get stretched.
Answer: an American football measures 28 cm (length / span), which is 1.2× as big as the reference, an NBA basketball at 24.3 cm.
An American football is measured along its long axis; the pointed ends make it read larger than it is.
Common miss: players tend to compress an American football when it sits beside an NBA basketball — big things get squeezed, small familiar things get stretched.
Answer: an Olympic swimming pool measures 50 m (length / span), which is about 1.4× smaller than the reference, a Boeing 747 at 70.7 m.
An Olympic pool is exactly 50 metres long.
Common miss: players tend to inflate an Olympic swimming pool when it sits beside a Boeing 747 — big things get squeezed, small familiar things get stretched.
Answer: a tennis racket measures 68.5 cm (height), which is 1.2× as big as the reference, a violin at 59 cm.
The rules allow up to 73.7 cm, but almost every player uses something just under 69 cm.
Common miss: players tend to compress a tennis racket when it sits beside a violin — big things get squeezed, small familiar things get stretched.
Answer: an NBA basketball measures 24.3 cm (length / span), which is about 1.2× smaller than the reference, an American football at 28 cm.
An NBA ball is regulated by circumference, about 75 cm, which works out to just under 25 cm across.
Common miss: players tend to inflate an NBA basketball when it sits beside an American football — big things get squeezed, small familiar things get stretched.
Sizes are measured along the axis named in each round and link to their published source. Explore the full library by category, or read how scoring works.