DAILY NO. 1 · VERIFIED MEASUREMENTS

Size It Up answers – September 22, 2026

The September 22, 2026 puzzle ran from an alto saxophone at 74 cm to a concert grand piano at 2.7 m — about 4× apart, drawing on music. The pair furthest apart was round 5: a drum kit is about 1.3× smaller than a Velociraptor.

Puzzle #1 asked about a concert grand piano, an alto saxophone, a cello, a double bass and a drum kit. Each answer below gives the measured size, the reference it stood beside and the source behind the number. Want the surprise first? Replay this puzzle — archived days never touch your streak.

ROUND 1

How long is a concert grand piano compared with a three-seat sofa?

Answer: Concert Grand Piano — 2.7 m. A concert grand piano measures 2.7 m (length / span), which is 1.2× as big as the reference, a three-seat sofa at 2.2 m.

A concert grand can be more than 2.7 metres long.

Common miss: players tend to compress a concert grand piano when it sits beside a three-seat sofa — big things get squeezed, small familiar things get stretched.

Source ↗
ROUND 2

How tall is an alto saxophone compared with a dining chair?

Answer: Alto Saxophone — 74 cm. An alto saxophone measures 74 cm (height), which is about 1.2× smaller than the reference, a dining chair at 90 cm.

The bend and the bell fold more than a metre of tubing into 74 cm of instrument.

Common miss: players tend to inflate an alto saxophone when it sits beside a dining chair — big things get squeezed, small familiar things get stretched.

Source ↗
ROUND 3

How tall is a cello compared with an acoustic guitar?

Answer: Cello — 1.2 m. 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.

Source ↗
ROUND 4

How tall is a double bass compared with a US interior door?

Answer: Double Bass — 1.8 m. A double bass measures 1.8 m (height), which is about 1.1× smaller than the reference, a US interior door at 2 m.

Tall enough that players either stand or perch on a stool.

Common miss: players tend to inflate a double bass when it sits beside a US interior door — big things get squeezed, small familiar things get stretched.

Source ↗
ROUND 5

How long is a drum kit compared with a Velociraptor?

Answer: Drum Kit — 1.5 m. A drum kit measures 1.5 m (length / span), which is about 1.3× smaller than the reference, a Velociraptor at 2 m.

Kit width is set by the bass drum and how far the drummer’s arms can reach.

Common miss: players tend to inflate a drum kit when it sits beside a Velociraptor — 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.