DAILY NO. 17 · VERIFIED MEASUREMENTS

Size It Up answers – September 17, 2026

The five geography objects from the Size It Up puzzle on September 17, 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.

ROUND 1

Japan3,000 km

Answer: Japan measures 3,000 km (height), which is 1.1× as big as the reference, Greenland at 2,670 km.

Japan’s island arc extends around 3,000 kilometres.

Common miss: players tend to compress Japan when it sits beside Greenland — big things get squeezed, small familiar things get stretched.

Source ↗
ROUND 2

Australia4,000 km

Answer: Australia measures 4,000 km (length / span), which is about 1.1× smaller than the reference, the contiguous United States at 4,500 km.

Australia is nearly as wide as the contiguous United States, with a tenth of the population.

Common miss: players tend to inflate Australia when it sits beside the contiguous United States — big things get squeezed, small familiar things get stretched.

Source ↗
ROUND 3

Brazil4,320 km

Answer: Brazil measures 4,320 km (length / span), which is 1.1× as big as the reference, Australia at 4,000 km.

Brazil is almost exactly as wide as it is tall — roughly 4,300 km either way.

Common miss: players tend to compress Brazil when it sits beside Australia — big things get squeezed, small familiar things get stretched.

Source ↗
ROUND 4

Hawaiʻi Island150 km

Answer: Hawaiʻi Island measures 150 km (length / span), which is about 6.7× smaller than the reference, metropolitan France at 1,000 km.

The Big Island is larger than all the other Hawaiian islands combined, and still growing.

Common miss: players tend to inflate Hawaiʻi Island when it sits beside metropolitan France — big things get squeezed, small familiar things get stretched.

Source ↗
ROUND 5

Metropolitan France1,000 km

Answer: metropolitan France measures 1,000 km (length / span), which is about 1.3× smaller than the reference, Texas at 1,270 km.

Metropolitan France is nicknamed the Hexagon; no side of it runs much beyond 1,000 km.

Common miss: players tend to inflate metropolitan France when it sits beside Texas — big things get squeezed, small familiar things get stretched.

Source ↗

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.