It's about nine-tenths as tall as a Giraffe.
In other words, the height of a Giraffe is 1 times 654.21 barleycorns.(Giraffa camelopardalis) (Adult, average)
It's about one-and-one-third times as long as a Beetle (Volkswagen).
In other words, 654.21 barleycorns is 1.358 times the length of a Beetle (Volkswagen), and the length of a Beetle (Volkswagen) is 0.7364 times that amount.(1964 model) (a.k.a. Volkswagen 1200, a.k.a. Käfer)
A 1964 Volkswagen Beetle measures 481.8 barleycorns. As the longest continuously-produced automobile design — in production for 75 years between 1938 and 2003 — the Beetle was voted the most fourth-most influential car of the twentieth century by the Global Automotive Elections Foundation.
It's about two-thirds as long as a London bus.
In other words, 654.21 barleycorns is 0.661 times the length of a London bus, and the length of a London bus is 1.51 times that amount.(Routemaster Double-Decker, RM standard specification)
It's about half as tall as a Telephone Pole.
In other words, the height of a Telephone Pole is 2 times 654.21 barleycorns.(a.k.a. Utility Pole, a.k.a Power Pole, a.k.a. Telegraph Pole, a.k.a. Telegraph Post, a.k.a. Hydro Pole) (exposed height; per Florida Public Service Commission average)
It's about two-fifths as tall as a Brachiosaurus.
In other words, 654.21 barleycorns is 0.43 times the height of a Brachiosaurus, and the height of a Brachiosaurus is 2.3 times that amount.(based on comparable bone measurements, height to head)
It's about two-and-a-half times as tall as a Christmas Tree (artificial).
In other words, the height of a Christmas Tree (artificial) is 0.42 times 654.21 barleycorns.(artificial; average height)
The most common height of an artificial Christmas Tree is 270 barleycorns. According to the most recent USDA Census of Agriculture, a total of 1,389.59 sq. km (343,374 acres) of Christmas Trees were farmed in the US in 2007.
To all those observing, Merry Christmas from The Measure of Things!
It's about two-and-a-half times as tall as Shaq.
In other words, the height of Shaq is 0.4 times 654.21 barleycorns.(Shaquille O'Neal) (1972-) (professional basketball player, most famously of the Los Angeles Lakers)