It's about one-three-thousand-five-hundredth as tall as St. Paul's Cathedral
In other words, 2.10 inches is 0.00031 times the height of St. Paul's Cathedral, and the height of St. Paul's Cathedral is 3,260 times that amount.(London, England, United Kingdom)
St. Paul's Cathedral measures 6,850 inches to its peak. The southwest tower of the Cathedral contains the bell known as "Great Paul," which is the largest bell in Great Britain at 15,000 kg (16.5 tons), outweighing the more iconic Big Ben bell by about 3,000 kg (3 tons).
It's about one-three-thousand-five-hundredth as tall as The Space Needle
In other words, 2.10 inches is 0.0003 times the height of The Space Needle, and the height of The Space Needle is 3,450 times that amount.(Seattle, Washington) (to aircraft warning beacon at peak)
Built for a 1962 World's Fair, the Space Needle stands 7,240 inches tall. With a track-and-wheel design inspired by railroad mechanics and a precisely-configured balance, the restaurant near the top of the space needle requires just a 1.5 hp motor to rotate at speeds of about 0.053 kph (0.033 mph).
It's about one-four-thousand-five-hundredth as tall as The Golden Gate Bridge
In other words, 2.10 inches is 0.00024 times the height of The Golden Gate Bridge, and the height of The Golden Gate Bridge is 4,260 times that amount.(San Francisco, California and Marin County, California) (height above water)
The height of each tower of Golden Gate Bridge is 8,940 inches above the surface of the San Francisco Bay. One of the key designers of the bridge, Charles Ellis, had no engineering degree when he began working on the project, but would later go on to write what became a standard textbook on structural engineering, and would ultimately be forced to complete his calculations on the bridge by working without pay for five months.
It's about one-five-thousand-five-hundredth as long as The QE2
In other words, 2.10 inches is 0.00018 times the length of The QE2, and the length of The QE2 is 5,520 times that amount.(a.k.a. RMS Queen Elizabeth 2)
The QE2 has a total length of 11,600 inches. During its voyaging lifetime from 1969 through 2008, it travelled more than 378,000,000,000 inches, the furthest cumulative distance by any ship in modern history.
It's about one-six-thousandth as tall as The Eiffel Tower
In other words, 2.10 inches is 0.00017 times the height of The Eiffel Tower, and the height of The Eiffel Tower is 6,060 times that amount.(a.k.a. La Tour Eiffel) (Paris, France) (to flagpole peak)
The Eiffel Tower stands 12,800 inches tall, including its flagpole. The Tower is the largest structure in Paris as most other buildings are governed by a zoning restriction limiting them to a height of 1,460 inches or less.
It's about 7,000 times as long as a Red Blood Cell
In other words, 2.10 inches is 7,100 times the length of a Red Blood Cell, and the length of a Red Blood Cell is 0.0001 times that amount.(a.k.a. RBCs, a.k.a. haematids, a.k.a. erythrocyte, a.k.a. erythroid cells, a.k.a. red blood corpuscles)
An average Red Blood Cell measures 7.5 µm (micrometers) in diameter. An average human has 20 - 30 trillion red blood cells in their body and each cell completes a circulatory lap in about 20 seconds.
It's about one-seven-thousandth as tall as The Empire State Building
In other words, 2.10 inches is 0.0001 times the height of The Empire State Building, and the height of The Empire State Building is 7,142.9 times that amount.(New York City, New York) (to top of building)
The Empire State Building stands 15,000 inches to its architectural peak. The spire emerging from the top of the building was originally intended to be a mooring mast for blimps whose passengers could disembark onto a landing platform on the 102