How long is 20 inches?

When fully unfolded, the iconic square game board for Monopoly measures exactly 20 by 20 inches.

While weights vary, the average length of a full-term human infant from head to heel is approximately 20 inches (50.8 cm).

The thigh bone is the longest and strongest bone in the human body, averaging roughly 18 to 20 inches in length for most adults.

Standard FIDE tournament chess boards are typically designed as a 20-inch square (50 cm) to perfectly accommodate the base diameters of official pieces.

The most famous late-model short sword used by ancient Roman legionaries featured a standardized, double-edged blade measuring exactly 20 inches (50 cm) long.

While a standard large pie is usually 18 inches, authentic "Family" or "Party" size pizzas in traditional New York pizzerias are famously baked to a strict 20-inch diameter.

Nicknamed the "snot otter," North America's largest aquatic salamander frequently reaches a full adult length of 20 inches.

On a standard-scale electric bass guitar, the length of the wooden neck from the nut at the top down to where it bolts into the body is roughly 20 inches.

If you stack four standard 12-ounce aluminum soda cans vertically, they measure just a tiny fraction of an inch short of a perfect 20 inches (19.32 inches).

One of the most popular standard guide bar lengths manufactured for heavy-duty tree felling and firewood cutting is exactly 20 inches.