DAILY NO. 11 · VERIFIED MEASUREMENTS

Size It Up answers – September 11, 2026

The five music objects from the Size It Up puzzle on September 11, 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

Acoustic Guitar1 m

Answer: an acoustic guitar measures 1 m (height), which is 1.1× as big as the reference, a dining chair at 90 cm.

A dreadnought is about a metre long, but only 65 cm of that is vibrating string.

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

Source ↗
ROUND 2

Alto Saxophone74 cm

Answer: an alto saxophone measures 74 cm (height), which is 1.3× as big as the reference, a violin at 59 cm.

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

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

Source ↗
ROUND 3

Trumpet48 cm

Answer: a trumpet measures 48 cm (length / span), which is 1.4× as big as the reference, a laptop computer at 35 cm.

About 1.5 m of tubing, wrapped into 48 cm of instrument.

Common miss: players tend to compress a trumpet when it sits beside a laptop computer — big things get squeezed, small familiar things get stretched.

Source ↗
ROUND 4

Concert Flute67 cm

Answer: a concert flute measures 67 cm (length / span), which is almost exactly the same size as the reference, a French baguette at 65 cm.

Played sideways, which makes its 67 cm read much smaller on stage.

Common miss: players tend to compress a concert flute when it sits beside a French baguette — big things get squeezed, small familiar things get stretched.

Source ↗
ROUND 5

Cello1.2 m

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.

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.