DAILY NO. 19 · VERIFIED MEASUREMENTS

Size It Up answers – October 10, 2026

The five landmarks objects from the Size It Up puzzle on October 10, 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.

The October 10, 2026 puzzle ran from the Elizabeth Tower at 96 m to the Eiffel Tower at 330 m — about 3× apart, drawing on landmarks. The pair furthest apart was round 5: the Gateway Arch is about 1.7× smaller than the Eiffel Tower.

ROUND 1

How tall is the Eiffel Tower compared with the Empire State Building?

Answer: Eiffel Tower — 330 m. The Eiffel Tower measures 330 m (height), which is about 1.3× smaller than the reference, the Empire State Building at 443.2 m.

The Eiffel Tower reaches about 330 metres including its antenna.

Common miss: players tend to inflate the Eiffel Tower when it sits beside the Empire State Building — big things get squeezed, small familiar things get stretched.

Source ↗
ROUND 2

How tall is the Elizabeth Tower compared with a Saturn V rocket?

Answer: Elizabeth Tower — 96 m. The Elizabeth Tower measures 96 m (height), which is about 1.2× smaller than the reference, a Saturn V rocket at 110.6 m.

The clock tower commonly called Big Ben is 96 metres tall.

Common miss: players tend to inflate the Elizabeth Tower when it sits beside a Saturn V rocket — big things get squeezed, small familiar things get stretched.

Source ↗
ROUND 3

How tall is the Washington Monument compared with the Space Needle?

Answer: Washington Monument — 169.3 m. The Washington Monument measures 169.3 m (height), which is about 1.1× smaller than the reference, the Space Needle at 184 m.

The marble changes shade a third of the way up, where construction stopped for over twenty years.

Common miss: players tend to inflate the Washington Monument when it sits beside the Space Needle — big things get squeezed, small familiar things get stretched.

Source ↗
ROUND 4

How long is the Roman Colosseum compared with a high-speed train?

Answer: Roman Colosseum — 189 m. The Roman Colosseum measures 189 m (length / span), which is about 1.1× smaller than the reference, a high-speed train at 200 m.

The ancient amphitheatre is roughly 189 metres along its longest axis.

Common miss: players tend to inflate the Roman Colosseum when it sits beside a high-speed train — big things get squeezed, small familiar things get stretched.

Source ↗
ROUND 5

How tall is the Gateway Arch compared with the Eiffel Tower?

Answer: Gateway Arch — 192 m. The Gateway Arch measures 192 m (height), which is about 1.7× smaller than the reference, the Eiffel Tower at 330 m.

St Louis’s Gateway Arch is as wide as it is tall.

Common miss: players tend to inflate the Gateway Arch when it sits beside the Eiffel Tower — 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.