Three-seat sofa
A three-seat sofa is an upholstered seating unit designed to comfortably seat three people.
How big is it?
2.1 m long
Also 6.89 ft
Length · example
A little perspective
About the same scale as Explorer 1.
Explorer 1: Explorer 1 was the first satellite launched by the United States, carrying scientific instruments to study Earth's radiation environment.
Measurements, assumptions & sources +
Three-seat sofa
2.1 × 0.9 m example footprint. Defined example; real examples vary.
Defined examples — our methodology
The marked length is calibrated. Unmeasured illustration details are representative.
Explorer 1
Explorer 1, the first US satellite, was about 2.03 m long and 14 kg including its instrumented cylindrical body. Antennas are contextual.
The marked overall spacecraft length is calibrated. Unmeasured illustration details are representative.
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Why this measurement?
Why we use 2.1 m
For comparison, this page uses length. This is labelled example: an explicit comparison model rather than a claim that every example has the same value.
2.1 × 0.9 m example footprint. Defined example; real examples vary.
The marked horizontal span follows the named feature; transparent margins and unmeasured details do not alter it. How calibrated comparisons work →
Recorded properties
Three-seat sofa dimensions and measurements
| Property | Selected value | Recorded range | Basis |
|---|---|---|---|
| 2.1 m | Not recorded | example | |
| 1.89 m² | Not recorded | example | |
| 90 cm | Not recorded | example | |
| 2.1 m | Not recorded | example |
Around this scale
Go smaller. Go bigger.
These links use compatible length records, ordered around the selected value.
Nearest lower value · Everyday thingsKing-size bed2 mA king bed is a wide bed intended for two sleepers, with standard proportions that vary between national bedding systems.
Around the same scale · Living thingsTiger2.1 mA tiger is a solitary wild cat with a striped coat, native to Asia.
Nearest higher value · Everyday thingsGrand piano2.3 mA grand piano is a large, horizontal stringed instrument played with a keyboard, commonly used for classical and concert music.Sources and method
Want to check the number?
The source records and measurement method remain available for inspection.
More ways to see it
Curated comparisons
There’s always another scale
Follow your curiosity.
SpaceExplorer 12.03 mExplorer 1 was the first satellite launched by the United States, carrying scientific instruments to study Earth's radiation environment.
Living thingsElkhorn coral colony2 mAn elkhorn coral colony is a branching formation of the coral species Acropora palmata, found in shallow Caribbean reefs.
PeopleAdult in a spacesuit1.9 mAn adult in a spacesuit is a person wearing a pressurised suit and life-support system for survival outside Earth's atmosphere.
SportTable tennis table2.74 mA table tennis table is a flat, rectangular surface divided by a net for playing the game of table tennis.
TransportPedal-powered rail trolley2.4 mA pedal-powered rail trolley is a lightweight vehicle propelled by pedalling, designed to travel along railway tracks for recreation or transport.
Everyday thingsDouble bed1.9 mA double bed is a wider bed designed to accommodate two people.
SpaceNew Horizons spacecraft2.2 mNew Horizons is a NASA spacecraft launched to study Pluto and the Kuiper Belt, carrying scientific instruments and powered by a radioisotope generator.
Living thingsPyrosome colony2 mA pyrosome is a hollow, free-floating colony of many small filter-feeding tunicates joined in a tube.