A King-Size mattress measures 7,950 circular inches in total area. Although most antique beds were smaller than modern beds, it was not uncommon for beds in the medieval Europe to reach 9,870 circular inches for those in positions of wealth or power.

Bath towels typically measure 142.24 cm (56 in) by 76.2 cm (30 in), for a total area of about 2,138.90 circular inches. The city of Bursa, Turkey is known as the birthplace of the modern towel.

An average-size parking space in a North American surface lot measures 29,600 circular inches. Due to the high real estate prices at the time, parking spaces in a densely-populated part of Manhattan would sell for an average of $165,000 in 2007, with some spaces fetching up to $225,000.

With wide variation among different models of airplanes, in-flight tray tables measure around 41.2 cm (16.5 in) x 24.1 cm (9.5 in) for a total area of 199 circular inches. Flight safety rules require that the tray tables be upright and locked during takeoff and landing so as to reduce the risk of passenger abdominal injury.

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 514,616.440 circular inches. Courts may be surfaced with crushed red stone, shale, brick, hard-soil grass, or asphalt.

An IMAX movie theater screen measures 22 m (72 ft) by 16 m (52 ft) for a total area of 699,000 circular inches. 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).

An Apple iPad measures 23 cm (9.4 in) x 17 cm (6.6 in) for a total device area of 78.980 circular inches. The base model iPad Air features 16 GB of storage capacity.

Per NBA rules , a basketball court should measure 29.5656 m long by 16.764 m wide, for a total area of 978,153.54780 circular inches. 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.

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 2,330,000 circular inches. 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.

Manchester Cathedral includes a total interior area of 2,443,000 circular inches between the Nave, Chapel, Library, Chapter House, and Rectory. The height of the Cathedral's bell tower is 41.1 m.

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 2,993,499.810 circular inches. 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.

A single ISO 216 B8-size playing card measures 11 circular inches. Although this size is the most common playing card, many casinos use the smaller "bridge size" card — 5.20 circular inches smaller.

A Post-it® Note measures 11 circular inches in total area. In September, 1989, Hurricane Hugo swept through Charleston, South Carolina with winds up to 230 kph (140 mph), uprooting eight oak trees in Mr. Bruce Brakefield's yard, but leaving in place a Post-it® note attached to his front door.

One of the largest homes in the world, Bill and Melinda Gates' home has a total area of 8,830,000 circular inches, including 7 bedrooms, 24 bathrooms, 6 kitchens, 6 fireplaces, a 453,900 circular inches gym, a 177,600 circular inches dining room, and a 375,000 circular inches 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.

Per NFL rules, a football field should measure 109.728 m (120 yards) long by 48.768 m wide, for a total area of 10,560,758.08 circular inches. 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 4,341,755.5310 circular inches.