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Scale It

How many school buses long is a blue whale? Big numbers made real.

This page lists 6 source-checked comparisons in Scale It, ranked from the biggest value to the smallest. Each table shows its unit, the year the figures describe, how sure we are, the date we last verified it and the sources behind it.

Topics: Buildings, Nature, Engineering, Objects, Ships.

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Largest buildings by floor area (m²)

Confirmed Buildings · As of 2026 · Verified 2026-11-06 · WWV-CP-SC-011

#NameValue (m²)
1Gigafactory Texas Floor area929,000 m²
2Boeing Everett Factory Floor area398,000 m²
3The Palace of Parliament Floor area365,000 m²
4Cœur Défense Floor area350,000 m²
5Inex Sipoo Floor area270,000 m²
6Louvre Palace Floor area244,000 m²
7Target Import Warehouse Floor area187,664 m²
8National Exhibition Centre Floor area186,000 m²

Floor areas from the cited list.

Sources

Tallest tree species (meters)

Confirmed Nature · As of 2026 · Verified 2026-11-06 · WWV-CP-SC-012

#NameValue (meters)
1Coast redwood Tallest measured116.22 meters
2South Tibetan cypress Tallest measured102.3 meters
3Sitka spruce Tallest measured100.2 meters
4Coast Douglas-fir Tallest measured99.5 meters
5Yellow meranti Tallest measured97.58 meters
6Giant sequoia Tallest measured96.37 meters
7Mountain ash Tallest measured96 meters
8Southern blue gum Tallest measured92 meters

Tallest measured individual of each species, from the cited list.

Sources

Dams with the most material (million m³)

Estimated Engineering · As of 2026 · Verified 2026-11-06 · WWV-CP-SC-013

#NameValue (million m³)
1Tarbela Dam Structure volume153 million m³
2Grand Ethiopian Renaissance Dam Structure volume130 million m³
3Fort Peck Dam Structure volume96 million m³
4Atatürk Dam Structure volume84.5 million m³
5Houtribdijk Structure volume78 million m³
6Oahe Dam Structure volume70.3 million m³
7Mangla Dam Structure volume65.4 million m³
8Gardiner Dam Structure volume65.4 million m³

Structure volume from the cited list.

Sources

Dams that hold the most water (billion m³)

Estimated Engineering · As of 2026 · Verified 2026-11-06 · WWV-CP-SC-014

#NameValue (billion m³)
1Aswan Dam Reservoir volume169 billion m³
2Guri Dam Reservoir volume135 billion m³
3Grand Ethiopian Renaissance Dam Reservoir volume74 billion m³
4Samara Dam Reservoir volume57.3 billion m³
5Atatürk Dam Reservoir volume48.7 billion m³
6Three Gorges Dam Reservoir volume39.3 billion m³
7Oahe Dam Reservoir volume29 billion m³
8Garrison Dam Reservoir volume29 billion m³

Reservoir volume from the cited list.

Sources

Heaviest bells (kg)

Estimated Objects · As of 2026 · Verified 2026-11-06 · WWV-CP-SC-015

#NameValue (kg)
1Tsar Bell Weight201,924 kg
2Bell of Good Luck Weight116,000 kg
3Mingun Bell Weight90,718 kg
4Tsarsky Kolokol Weight71,800 kg
5Chion-in Temple Bell Weight67,000 kg
6Great Uspensky Bell Weight65,522 kg
7Vox Patris Weight55,000 kg
8Tōdai-ji Temple Bell Weight44,000 kg

Bell weights from the cited list.

Sources

Largest ships ever built by gross tonnage

Confirmed Ships · As of 2026 · Verified 2026-11-06 · WWV-CP-SC-016

#NameValue (gross tons)
1Pioneering Spirit Gross tonnage403,342 gross tons
2Prelude FLNG Gross tonnage300,000 gross tons
3Bellamya Gross tonnage275,276 gross tons
4Batillus Gross tonnage275,268 gross tons
5Pierre Guillaumat Gross tonnage274,838 gross tons
6Prairial Gross tonnage274,838 gross tons
7Seawise Giant Gross tonnage260,941 gross tons
8Esso Atlantic Gross tonnage259,532 gross tons

Gross tonnage from the cited list; sister ships are shown once.

Sources