A world worth sizing up.
158 objects. Eight collections. A source and a clear measurement convention for every entry. Explore distinct vector silhouettes, licensed anatomical artwork and real country outlines.
158 objects
20-foot shipping container
6.06 mlengthStandard external length; usable internal length is shorter.
vehicles40-foot shipping container
12.2 mlengthStandard external length; internal capacity is a separate measurement.
Everyday objects50-metre swimming pool
50 mlengthNominal long-course racing length; touch panels and tolerances are governed by the rules.
Everyday objectsA 1.70 m person
1.7 mheightA deliberately chosen 1.70 m reference, not a claim about average human height.
Everyday objectsA4 paper
29.7 cmlengthLong side of an ISO A4 sheet, 210 × 297 mm.
animalsAfrican elephant
3.96 mheightUpper adult height of 13 feet; females and many males are smaller.
animalsAfrican lion
1.22 mheight4-foot shoulder height in the zoo’s illustrated reference.
vehiclesAirbus A319neo
33.8 mlengthOverall length of the A319neo model.
vehiclesAirbus A320neo
37.6 mlengthOverall length of the A320neo model.
vehiclesAirbus A321neo
44.5 mlengthOverall length of the A321neo model.
vehiclesAirbus A330-900
63.7 mlengthOverall length of the A330-900 model.
vehiclesAirbus A350-1000
73.8 mlengthOverall length of the A350-1000 model.
vehiclesAirbus A350-900
66.8 mlengthOverall length of the A350-900 model.
vehiclesAirbus A380
72.7 mlengthOverall fuselage length from Airbus’s published technical figures.
geographyAlgeria
2,070 kmmap widthApproximate width on a locally centred equal-area map, rounded to 1 km. Land polygons included in the Natural Earth 1:50m country outline.
dinosaursAllosaurus
9.7 mlengthMuseum estimate of total body length.
Everyday objectsAn 80-inch door
2.03 mheightChosen 80-inch door leaf; the frame is excluded.
dinosaursAnkylosaurus
8 mlengthMuseum estimate of total body length, including the tail club.
dinosaursApatosaurus
21 mlengthMuseum estimate of total body length.
geographyArgentina
3,682 kmmap heightApproximate height on a locally centred equal-area map, rounded to 1 km. Land polygons included in the Natural Earth 1:50m country outline.
dinosaursArgentinosaurus
35 mlengthMuseum reconstruction estimate; known remains are incomplete.
geographyAustralia
4,034 kmmap widthApproximate width on a locally centred equal-area map, rounded to 1 km. Australian mainland, Tasmania and nearby islands; remote island territories excluded.
Everyday objectsBadminton court
13.4 mlengthRegulation full court length, excluding surrounding clearance.
geographyBelgium
270 kmmap widthApproximate width on a locally centred equal-area map, rounded to 1 km. Land polygons included in the Natural Earth 1:50m country outline.
animalsBlue whale
33.5 mlengthUp to 110 feet for Antarctic blue whales; an upper size, not a typical adult.
dinosaursBrachiosaurus
22 mlengthMuseum estimate of total length, not standing height.
geographyBrazil
4,311 kmmap heightApproximate height on a locally centred equal-area map, rounded to 1 km. Land polygons included in the Natural Earth 1:50m country outline.
landmarksBurj Khalifa
828 mheightArchitectural height including the spire.
spaceCallisto
4,821 kmdiameterDiameter in NASA’s Small Worlds comparison table.
geographyCanada
5,393 kmmap widthApproximate width on a locally centred equal-area map, rounded to 1 km. Land polygons included in the Natural Earth 1:50m country outline.
spaceCeres
964 kmdiameterEquatorial diameter in NASA’s planet-size guide.
geographyChile (mainland)
4,251 kmmap heightApproximate height on a locally centred equal-area map, rounded to 1 km. Mainland Chile and its coastal islands; Easter Island and remote Pacific islands excluded.
geographyChina
4,815 kmmap widthApproximate width on a locally centred equal-area map, rounded to 1 km. Land polygons included in the Natural Earth 1:50m country outline.
landmarksCN Tower
553.3 mheightTotal tower height, including the antenna.
geographyColombia
1,852 kmmap heightApproximate height on a locally centred equal-area map, rounded to 1 km. Land polygons included in the Natural Earth 1:50m country outline.
animalsCommon bottlenose dolphin
3.96 mlength13 feet, the upper end of NOAA’s stated adult range.
animalsCommon minke whale
10.7 mlengthUpper body length of 35 feet in NOAA’s species profile.
Everyday objectsCompact disc
12 cmdiameterOutside diameter of a standard 120 mm compact disc.
dinosaursCompsognathus
70 cmlengthMuseum estimate of total body length.
dinosaursDeinonychus
3.4 mlengthMuseum estimate of total body length.
natureDenali
6.19 kmheightSummit elevation above sea level, rounded to 6,190 m.
dinosaursDiplodocus
26 mlengthMuseum estimate of total body length, including neck and tail.
spaceEarth
12,756 kmdiameterRounded equatorial diameter; the polar diameter is slightly smaller.
geographyEgypt
1,226 kmmap widthApproximate width on a locally centred equal-area map, rounded to 1 km. Land polygons included in the Natural Earth 1:50m country outline.
landmarksEiffel Tower
330 mheightTotal height including the antenna installed in 2022.
landmarksElizabeth Tower
96 mheightTotal height of the tower commonly associated with Big Ben.
landmarksEmpire State Building
443.2 mheightTotal height including antenna; roof height is 381 m.
vehiclesEnviro400 double-decker
11.5 mlengthOverall length of the manufacturer’s 11.5 m stock configuration; other lengths are offered.
spaceEris
2,326 kmdiameterRounded diameter published in NASA’s planet-size guide.
spaceEuropa
3,122 kmdiameterDiameter in NASA’s Small Worlds comparison table.
spaceFalcon 9
70 mheightPublished height of the Falcon 9 launch vehicle.
Everyday objectsFIBA basketball court
28 mlengthRegulation FIBA playing court length; boundary runoff is excluded.
animalsFin whale
25.9 mlengthUpper body length of 85 feet in NOAA’s species profile.
geographyFinland
1,136 kmmap heightApproximate height on a locally centred equal-area map, rounded to 1 km. Land polygons included in the Natural Earth 1:50m country outline.
Everyday objectsFootball goal
7.32 mwidthClear width between the inside edges of the posts.
geographyFrance (metropolitan)
1,117 kmmap widthApproximate width on a locally centred equal-area map, rounded to 1 km. Metropolitan France and Corsica; overseas territories excluded.
dinosaursGallimimus
6 mlengthMuseum estimate of total body length.
spaceGanymede
5,262 kmdiameterDiameter in NASA’s Small Worlds comparison table.
landmarksGateway Arch
192 mheightOfficial rounded height of 192 m (630 feet).
natureGeneral Sherman tree
83.8 mheightPublished tree height; this is one named living tree.
geographyGermany
867 kmmap heightApproximate height on a locally centred equal-area map, rounded to 1 km. Land polygons included in the Natural Earth 1:50m country outline.
animalsGiraffe
5.49 mheight18-foot adult male height from the zoo’s reference; individuals vary.
landmarksGolden Gate Bridge
2.74 kmlengthTotal bridge length including approaches, not the main suspended span.
Everyday objectsGolf ball
4.27 cmdiameterMinimum permitted diameter of 1.680 inches.
geographyGrand Canyon
446 kmlengthPublished canyon length of 277 river miles, rounded to 446 km.
animalsGray whale
14.9 mlengthUpper adult body length of 49 feet in the NOAA profile.
landmarksGreat Pyramid of Giza (original)
146.5 mheightOriginal construction height from the ministry’s published reference; not the lower present height.
geographyGreece
759 kmmap heightApproximate height on a locally centred equal-area map, rounded to 1 km. Land polygons included in the Natural Earth 1:50m country outline.
geographyGreenland
2,651 kmmap heightApproximate height on a locally centred equal-area map, rounded to 1 km. Greenland is an autonomous territory within the Kingdom of Denmark.
animalsHumpback whale
18.3 mlengthUpper body length of 60 feet in NOAA’s species profile.
Everyday objectsIce hockey puck
7.62 cmdiameterRegulation 3-inch diameter; thickness is not being measured.
geographyIceland
506 kmmap widthApproximate width on a locally centred equal-area map, rounded to 1 km. Land polygons included in the Natural Earth 1:50m country outline.
Everyday objectsID-1 credit card
8.56 cmlengthNominal long side of the ISO ID-1 format, 85.60 mm.
dinosaursIguanodon
10 mlengthMuseum estimate of total body length.
geographyIndia
3,160 kmmap heightApproximate height on a locally centred equal-area map, rounded to 1 km. Land polygons included in the Natural Earth 1:50m country outline.
geographyIndonesia
5,048 kmmap widthApproximate width on a locally centred equal-area map, rounded to 1 km. Land polygons included in the Natural Earth 1:50m country outline.
spaceInternational Space Station
109 mwidthPublished end-to-end overall span of the station.
spaceIo
3,643 kmdiameterDiameter in NASA’s Small Worlds comparison table.
Everyday objectsiPhone 16
14.8 cmheightDevice height excluding a case, from Apple’s iPhone 16 specifications.
geographyIran
1,782 kmmap widthApproximate width on a locally centred equal-area map, rounded to 1 km. Land polygons included in the Natural Earth 1:50m country outline.
geographyItaly
1,152 kmmap heightApproximate height on a locally centred equal-area map, rounded to 1 km. Land polygons included in the Natural Earth 1:50m country outline.
spaceJames Webb primary mirror
6.5 mdiameterDiameter of the primary mirror, not the sunshield or whole telescope.
geographyJapan
2,324 kmmap heightApproximate height on a locally centred equal-area map, rounded to 1 km. Land polygons included in the Natural Earth 1:50m country outline.
spaceJupiter
142,984 kmdiameterEquatorial diameter; mean diameter would be smaller.
geographyKenya
1,132 kmmap heightApproximate height on a locally centred equal-area map, rounded to 1 km. Land polygons included in the Natural Earth 1:50m country outline.
natureKilimanjaro
5.9 kmheightUhuru Peak elevation above sea level.
animalsKiller whale
9.75 mlengthUpper male body length of 32 feet; sex and population affect size.
geographyLake Erie
388 kmlengthPublished maximum length, rounded to 388 km.
geographyLake Huron
332 kmlengthPublished maximum length, rounded to 332 km.
geographyLake Michigan
494 kmlengthPublished maximum length, rounded to 494 km.
geographyLake Ontario
311 kmlengthPublished maximum length, rounded to 311 km.
geographyLake Superior
563 kmlengthMaximum published length, 350 miles, rounded to 563 km.
landmarksLondon Eye
135 mheightOverall height from the ground, rather than wheel diameter.
geographyMadagascar
1,499 kmmap heightApproximate height on a locally centred equal-area map, rounded to 1 km. Land polygons included in the Natural Earth 1:50m country outline.
spaceMars
6,792 kmdiameterEquatorial diameter from NASA’s planet-size guide.
natureMauna Loa
4.17 kmheightRounded summit elevation above sea level.
spaceMercury
4,880 kmdiameterRounded equatorial diameter published in NASA’s planet-size guide.
geographyMexico
3,171 kmmap widthApproximate width on a locally centred equal-area map, rounded to 1 km. Land polygons included in the Natural Earth 1:50m country outline.
dinosaursMicroraptor
80 cmlengthMuseum estimate of total body length.
geographyMongolia
2,380 kmmap widthApproximate width on a locally centred equal-area map, rounded to 1 km. Land polygons included in the Natural Earth 1:50m country outline.
geographyMorocco
1,601 kmmap heightApproximate height on a locally centred equal-area map, rounded to 1 km. Land polygons included in the Natural Earth 1:50m country outline.
natureMount Fuji
3.78 kmheightPublished summit elevation above sea level.
natureMount Rainier
4.39 kmheightPublished summit elevation of 14,410 feet, rounded to 4,392 m.
natureMount Whitney
4.42 kmheightRounded summit elevation above sea level.
spaceNeptune
49,528 kmdiameterEquatorial diameter from NASA’s planet-size guide.
geographyNetherlands (European)
320 kmmap heightApproximate height on a locally centred equal-area map, rounded to 1 km. European Netherlands; Caribbean islands excluded.
geographyNew Zealand (main islands)
1,437 kmmap heightApproximate height on a locally centred equal-area map, rounded to 1 km. North, South and Stewart islands; outlying islands excluded.
natureNiagara Horseshoe Falls
57 mheightAverage vertical drop published by Niagara Parks for the Canadian Horseshoe Falls.
geographyNigeria
1,306 kmmap widthApproximate width on a locally centred equal-area map, rounded to 1 km. Land polygons included in the Natural Earth 1:50m country outline.
geographyNorway (mainland)
1,430 kmmap heightApproximate height on a locally centred equal-area map, rounded to 1 km. Mainland Norway and coastal islands; Svalbard excluded.
animalsOstrich
2.74 mheight9 feet, the upper end of the zoo’s 5.7–9-foot height range.
dinosaursOviraptor
2 mlengthMuseum estimate of total body length.
dinosaursPachycephalosaurus
3 mlengthMuseum estimate of total body length.
dinosaursParasaurolophus
9 mlengthMuseum estimate of total body length.
geographyPeru
2,037 kmmap heightApproximate height on a locally centred equal-area map, rounded to 1 km. Land polygons included in the Natural Earth 1:50m country outline.
spacePluto
2,377 kmdiameterRounded diameter published in NASA’s planet-size guide.
geographyPoland
686 kmmap widthApproximate width on a locally centred equal-area map, rounded to 1 km. Land polygons included in the Natural Earth 1:50m country outline.
geographyPortugal
571 kmmap heightApproximate height on a locally centred equal-area map, rounded to 1 km. Mainland Portugal; Atlantic islands excluded.
dinosaursProtoceratops
1.8 mlengthMuseum estimate of total body length.
vehiclesQueen Mary 2
345 mlengthPublished overall length of the ocean liner.
vehiclesRoyal Enfield Classic 350
2.15 mlengthOverall length of 2,145 mm in the manufacturer’s technical specification.
geographyRussia
8,079 kmmap widthApproximate width on a locally centred equal-area map, rounded to 1 km. Land polygons included in the Natural Earth 1:50m country outline.
spaceSaturn
120,536 kmdiameterEquatorial diameter of the planet’s body; rings are excluded.
spaceSaturn V
110.6 mheightLaunch vehicle height including the Apollo spacecraft.
geographySaudi Arabia
2,111 kmmap widthApproximate width on a locally centred equal-area map, rounded to 1 km. Land polygons included in the Natural Earth 1:50m country outline.
animalsSei whale
18.3 mlengthUpper adult length of 60 feet; this is a large individual.
Everyday objectsSize 5 football
22 cmdiameterDerived from a chosen 69 cm circumference within the IFAB 68–70 cm range.
Everyday objectsSize 7 basketball
24.2 cmdiameterDiameter derived from a chosen 760 mm circumference within the FIBA size 7 range: circumference ÷ π.
geographySouth Africa
2,797 kmmap heightApproximate height on a locally centred equal-area map, rounded to 1 km. Land polygons included in the Natural Earth 1:50m country outline.
geographySouth Korea
601 kmmap heightApproximate height on a locally centred equal-area map, rounded to 1 km. Land polygons included in the Natural Earth 1:50m country outline.
geographySpain (European)
1,128 kmmap widthApproximate width on a locally centred equal-area map, rounded to 1 km. Iberian mainland and Balearic Islands; Canary Islands and African enclaves excluded.
dinosaursSpinosaurus
14 mlengthMuseum body length estimate; reconstructions remain uncertain.
landmarksStatue of Liberty
93 mheightGround to torch, including pedestal and foundation.
dinosaursStegosaurus
9 mlengthMuseum species estimate; individual skeletons can be shorter.
geographySweden
1,515 kmmap heightApproximate height on a locally centred equal-area map, rounded to 1 km. Land polygons included in the Natural Earth 1:50m country outline.
Everyday objectsTable tennis ball
4 cmdiameterNominal 40 mm diameter specified by the ITTF.
Everyday objectsTable tennis table
2.74 mlengthRegulation length of the playing surface.
Everyday objectsTennis ball
6.7 cmdiameterChosen 67 mm diameter within the ITF Type 2 permitted range.
Everyday objectsTennis court
23.8 mlengthRegulation baseline-to-baseline length; runoff space is excluded.
vehiclesTesla Model 3
4.72 mlengthOverall length of the rear-wheel-drive and Long Range variants; the Performance variant differs.
geographyThailand
1,644 kmmap heightApproximate height on a locally centred equal-area map, rounded to 1 km. Land polygons included in the Natural Earth 1:50m country outline.
spaceThe Moon
3,475 kmdiameterRounded diameter in NASA’s Small Worlds fact sheet.
spaceTitan
5,150 kmdiameterDiameter in NASA’s Small Worlds comparison table.
landmarksTokyo Skytree
634 mheightPublished total height of the broadcast tower.
dinosaursTriceratops
9 mlengthMuseum estimate of total body length, nose to tail.
spaceTriton
2,705 kmdiameterDiameter in NASA’s Small Worlds comparison table.
geographyTurkey
1,655 kmmap widthApproximate width on a locally centred equal-area map, rounded to 1 km. Land polygons included in the Natural Earth 1:50m country outline.
dinosaursTyrannosaurus rex
12 mlengthMuseum body length estimate of 12 m; larger specimens exist.
geographyUkraine
1,315 kmmap widthApproximate width on a locally centred equal-area map, rounded to 1 km. Land polygons included in the Natural Earth 1:50m country outline.
geographyUnited Kingdom
1,202 kmmap heightApproximate height on a locally centred equal-area map, rounded to 1 km. Land polygons included in the Natural Earth 1:50m country outline.
geographyUnited States (contiguous)
4,589 kmmap widthApproximate width on a locally centred equal-area map, rounded to 1 km. Contiguous 48 states; Alaska and Hawaii excluded.
spaceUranus
51,118 kmdiameterEquatorial diameter from NASA’s planet-size guide.
dinosaursVelociraptor
1.8 mlengthMuseum estimate of 1.8 m total body length.
spaceVenus
12,104 kmdiameterEquatorial diameter from NASA’s planet-size guide.
geographyVietnam
1,640 kmmap heightApproximate height on a locally centred equal-area map, rounded to 1 km. Land polygons included in the Natural Earth 1:50m country outline.
Everyday objectsVolleyball
21 cmdiameterRounded diameter derived from a chosen 66 cm circumference.
Everyday objectsVolleyball court
18 mlengthRegulation indoor playing court length, excluding free zone.
landmarksWashington Monument
169.3 mheightHistorical monument height rounded to 169.29 m.
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