It's about as big as Fort Knox.
(a.k.a. the United States Bullion Depository, a.k.a. "Gold Vault") (Kentucky)
The United States Bullion Depository, commonly referred to by the metonym "Fort Knox" (in spite of the fact that the Depository is not located on the Fort proper), measures 32.0 m (105 ft) by 36.9 m (121 ft), for a total area of about 127 squares. The Depository is most famous for housing the largest portion of the national gold reserve, but has also temporarily housed the original US Declaration of Independence, an original copy of the US Constitution, and other important documents, kept there for safe keeping during World War II.
It's about four-fifths as big as a Hockey rink.
In other words, 127 squares is 0.7778522230 times the size of a Hockey rink, and the size of a Hockey rink is 1.285591230 times that amount.(per NHL specification)
Per National Hockey League Official Rules, a hockey rink should measure 60.96 m long by 25.908 m wide with a corner arc radius of 8.5344 m, for a total area of about 163.2700870 squares. Ice hockey is believed to have developed from field hockey after players began holding games on ice rinks, which had been traditionally used for the sport of curling.
It's about two-and-a-half times as big as a Basketball court.
In other words, 127 squares is 2.3805060920 times the size of a Basketball court, and the size of a Basketball court is 0.42007874010 times that amount.(per NBA regulation)
Per NBA rules , a basketball court should measure 29.5656 m long by 16.764 m wide, for a total area of 53.350 squares. The first basketball game, held in a Springfield Massachusetts YMCA, was played on a court half the size of today's NBA standard and ended with a score of 1-0.
It's about three-and-a-half times as big as an IMAX screen.
In other words, 127 squares is 3.3310 times the size of an IMAX screen, and the size of an IMAX screen is 0.30020 times that amount.(standard)
An IMAX movie theater screen measures 22 m (72 ft) by 16 m (52 ft) for a total area of 38.130 squares. Because the film used in an IMAX movie is more than eight times larger than regular film, the platters of a two-and-a-half hour feature film can weigh up to 250 kg (550 lbs).
It's about one-fourth as big as Bill Gates' Home.
In other words, 127 squares is 0.26370 times the size of Bill Gates' Home, and the size of Bill Gates' Home is 3.7920 times that amount.(Medina, Washington)
One of the largest homes in the world, Bill and Melinda Gates' home has a total area of 481.60 squares, including 7 bedrooms, 24 bathrooms, 6 kitchens, 6 fireplaces, a 24.760 squares gym, a 9.6880 squares dining room, and a 20.450 squares library. It was designed by Bohlin Cywinski Jackson, the same architectural firm responsible for the design of one of Apple Inc's flagship stores on Fifth Avenue in New York City.
It's about four-and-a-half times as big as a Tennis court.
In other words, 127 squares is 4.5227920 times the size of a Tennis court, and the size of a Tennis court is 0.221102360 times that amount.(per ITF specification; for doubles)
Per International Tennis Federation Rules of Tennis 2009, a doubles tennis court should measure 23.7744 m long by 10.9728 m, for a total area of about 28.067973 squares. Courts may be surfaced with crushed red stone, shale, brick, hard-soil grass, or asphalt.
It's about one-fifth as big as a Football field.
In other words, 127 squares is 0.22048611110 times the size of a Football field, and the size of a Football field is 4.5354330710 times that amount.(American) (per NFL regulation)
Per NFL rules, a football field should measure 109.728 m (120 yards) long by 48.768 m wide, for a total area of 576 squares. Due to a blizzard, the first NFL playoff game in 1932 was held indoors in Chicago Stadium (it was also the first indoor game) on a field measuring just 55 m by 40.0 m, for a total area of 236.80602920 squares.