Submarine Dive Depth Comparison (Test Depths)
Compare 12 submarine test and rated depths in meters: Los Angeles, Seawolf, Ohio, Typhoon, Trieste at 10,911 m, Alvin and Titan, with navy fact file sources.
Creature Sizes
Heights, lengths and weights of kaiju, monsters and giant creatures. Browse all 179 creature sizes converters.
Submarine Length Comparison (Nuclear Classes)
Compare 12 nuclear submarine lengths, from 74 m Rubis to 175 m Typhoon. Official navy lengths, sourced. Browse every row with its source listed below.
Subnautica Creature Size Comparison (Documented Lengths)
How big is the Reaper Leviathan? Compare 14 documented Subnautica creature sizes: Sea Dragon, Ghost, Reefback and more.
Subnautica Depth Range Comparison (Crush Depths)
Compare Subnautica vehicle crush depths from Seamoth 200 to Cyclops and PRAWN 1700 max. Uses Unknown Worlds 2018 module tables. Includes full tables and FAQ.
Subnautica Ore Depth Comparison (Max Spawns)
Compare Subnautica ore deepest spawns from Salt low to Kyanite 1470 top meters. Uses Unknown Worlds 2018 biome tables. Includes full tables. See tables here.
Superyacht Length Comparison (Overall Meters)
Which private superyacht stretches longest overall today? Compare 12 LOA lengths from fleet records, from 126 Octopus explorer sub to 180 Azzam palace top.
Suspension Bridge Span Comparison (Main Spans)
Compare 10 suspension bridge main spans in meters: Akashi Kaikyo 1991, Xihoumen 1650, Great Belt 1624 and Humber 1410, with Structurae authority span sources.
Tall Ship Length Comparison (Meters)
Compare 12 tall ship overall lengths in meters, from the 31 m Atyla to the 162 m Golden Horizon. Exact sail training specs for square riggers in a linked tool.
Tallest Building Height Comparison (Meters and Feet)
Compare 15 tallest building heights in meters and feet, from the classic 381 m Empire State icon to the soaring 828 m Burj Khalifa. CTBUH data in a linked tool.
Tallest Bungee Jumps Height Comparison (Meters)
Compare the 10 tallest bungee jumps by platform height, from Macau Tower at 233 m to Kawarau at 43 scale. Heights in meters and feet with operator sources.
Tallest Chimneys Height Comparison (Meters)
Compare the 10 tallest chimneys by stack height, from GRES-2 at 420 m to Anaconda at 178 scale. Stack heights in meters and feet with plant sources listed.
Tallest Churches Height Comparison (Meters)
Compare the 12 tallest churches, from Ulm Minster at 161.5 m height to San Gaudenzio at 121 m. Heights in meters and feet with all build dates listed.
Tallest Flagpoles Height Comparison (Meters)
Compare the 10 tallest flagpoles by pole steel height, from Jeddah at 171 m to Kiev at 90 scale. Pole heights in meters and feet with full city specs listed.
Tallest Fountains Height Comparison (Meters)
Compare the 10 tallest fountains by jet height, from King Fahd at 312 m to Wealth at 30. Jet heights in exact meters and feet with full city specs listed.
Tallest Island Peaks Height Comparison (Meters)
Compare the 10 tallest island high points by elevation, from Puncak Jaya at 4,884 m to Ben Nevis at 1,345 scale. High points with national survey sources.
Tallest Masts Height Comparison (Meters, Guyed)
Compare the 10 tallest guyed masts by height, from KVLY at 629 m to KXJB at 365 stood. Mast heights in meters and feet with full FCC registry sources.
Tallest Minarets Height Comparison (Meters)
Compare the 10 tallest minarets by height, from Djamaa el Djazair at 265 m to Hassan Tower at 44 scale. Heights in meters and feet with mosque sources listed.
Tallest Obelisks Height Comparison (Meters)
Compare the 10 tallest obelisks by monument height, from San Jacinto at 173.4 m to the Needles at 27. Heights in meters and feet with park specs listed.
Tallest Oil Rigs Height Comparison (Meters)
Compare the 10 tallest oil rigs by total structure height, from Petronius at 610 m to Hibernia at 224. Heights in meters and feet with operator sources listed.
Tallest Tree Height Comparison (Meters)
What is the tallest tree? Compare 12 champion tree heights, from Hyperion 116.07 m to yellow meranti 98.53 m. Guinness and tape data. All 12 champions ranked.
Telescope Aperture Comparison (Meters)
How big is the ELT mirror? Compare 11 telescope apertures, from ELT 39 m to Hale 5.1 m. ESO and observatory specs with converter. All 11 apertures ranked.
Tower Height Comparison (Meters)
What is the tallest tower? Compare 11 tower heights, from Skytree 634 m to Eiffel 330 m. Guinness and official specs with converter. All 11 towers ranked.
Transformers Robot Size Comparison (Movie Heights)
How tall is Optimus? Compare 13 official Transformers 2007 movie heights from ILM charts, from Frenzy at 1.22 m to Devastator at 14.02 m. Full table. Inside.
Ultraman Hero Height Comparison (Official Meters)
Compare 14 official Ultraman hero heights in meters, from 40 m Ultraman and Seven to Taro 53 m, Dyna 55 m and Leo 52 m. Full Tsuburaya profiles inside.
Ultraman Kaiju Size Comparison (Official Heights)
How tall is Zetton? Compare 14 official Ultraman 1966 kaiju heights from Tsuburaya profiles, from Pigmon at 1 m to Bullton at 60 m total. Full 1966 table.
Volcano Height Comparison (Summit Meters)
Volcano heights in meters, from Vesuvius 1281 to Ojos 6893. Britannica and Smithsonian specs with linked converter tool. See all 12 volcanoes listed here.
Voltron Lion Size Comparison (Official Lengths)
How big is Voltron? Compare 9 official Voltron lion lengths from Toei specs, from Red Lion at 20 m to Black Lion at 40 m. Full lion table now. See inside.
Warhammer Titan Size Comparison (Official Heights)
How tall is a Warlord? Compare 10 official Warhammer Titan heights from 2021 specs, from Knights at 9 m to Warmasters at 40.91 m. Full table now. See inside.
Waterfall Height Comparison (Tallest Meters)
Tallest waterfall heights in meters, from Yosemite 739 to Angel 979. Guinness and Waterfall Database specs with linked converter tool. See all 13 falls here.
Whale Length Comparison (Maximum Recorded Sizes)
How long do ocean whales grow at adult maximum sizes overall? Compare 12 maxima from NOAA Fisheries data, from 5 m beluga chirps to 30 m blue giant record.
Whale Length Comparison (NOAA Maxima)
Compare 11 whale species lengths, from 1.5 m Vaquitas to 30 m Blue Whales. NOAA maxima, sourced. The complete table of species lengths is sourced below.
Widest Canals Width Comparison (Meters Navigable)
Compare the 10 widest canals by narrowest navigable width, from Suez at 205 m to Corinth at 21 scale. Widths in meters and feet with authority specs listed.
Widest Rivers Width Comparison (KM Mouth Width)
Compare the 10 widest rivers by mouth width, from the Amazon at 330 km to Thames at 9 km scale. Mouth widths in km and miles with survey sources listed.
Zoids Size Comparison (Official Lengths in Meters)
How big are Zoids? Compare 12 official Tomy Zoid model lengths, Command Wolf at 14.7 m to King Gojulas at 36 meters with full weights and speeds listed.
Zoo Tycoon Exhibit Size Comparison (Tiles)
Compare 15 Zoo Tycoon 2 exhibit sizes in tiles, from Velociraptor 17 to T. rex 145.25. Blue Fang first animal space needs ranked with linked converter.