18 October 2026
Sheet #48
The five rounds of 18 October 2026, with the real sizes and what each measurement covers.
- 01
ReferenceConsumer drone35 cm
To size upCroissant15 cm
Measured Length of a bakery croissant
The croissant descends from the Austrian kipferl, which reached Paris in the 19th century.
- 02
ReferenceBasketball24.2 cm
To size upNewborn50 cm
Measured Average length of a full-term newborn
Its head is about a quarter of its total length.
- 03
ReferenceStegosaurus7 m
To size upGreat white shark4.6 m
Measured Length of an adult female great white shark
It loses and replaces thousands of teeth over its lifetime.
- 04
ReferenceRed fox1.05 m
To size upDiplodocus25 m
Measured Estimated length of an adult Diplodocus carnegii
Much of its length was in its tail.
- 05
ReferenceArc de Triomphe50 m
To size upContainer ship400 m
Measured Overall length of the container ship Ever Given
In 2021 this ship blocked the Suez Canal for six days.