DAILY NO. 21 · VERIFIED MEASUREMENTS
The five objects from the Size It Up puzzle on September 21, 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: Earth measures 12,742 km (length / span), which is 1.9× as big as the reference, Mars at 6,779 km.
Earth is about 12,742 kilometres across.
Common miss: players tend to compress Earth when it sits beside Mars — big things get squeezed, small familiar things get stretched.
Answer: an apple measures 8 cm (length / span), which is almost exactly the same size as the reference, a hockey puck at 7.6 cm.
Supermarket apples are graded by diameter, and 8 cm counts as a large one.
Common miss: players tend to compress an apple when it sits beside a hockey puck — big things get squeezed, small familiar things get stretched.
Answer: a cello measures 1.2 m (height), which is 1.2× as big as the reference, an acoustic guitar at 1 m.
The body accounts for about 76 cm — the rest is neck and endpin.
Common miss: players tend to compress a cello when it sits beside an acoustic guitar — big things get squeezed, small familiar things get stretched.
Answer: a desktop computer tower measures 45 cm (height), which is 1.2× as big as the reference, a PlayStation 5 at 39 cm.
Tower cases are sized around the motherboard, a standard barely changed since 1995.
Common miss: players tend to compress a desktop computer tower when it sits beside a PlayStation 5 — big things get squeezed, small familiar things get stretched.
Answer: a soda can measures 12.2 cm (height), which is 1.1× as big as the reference, a light bulb at 11 cm.
The 330 ml can has kept essentially the same silhouette since 1963.
Common miss: players tend to compress a soda can when it sits beside a light bulb — 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.