This comparison shows 80 objects drawn to scale. Drag the view to rotate it, or add your own items to the comparison.

| Object | As entered | Centimetres | Inches |
|---|---|---|---|
| Zero Size | 0 × 0 × 0 cm | 0 × 0 × 0 in | |
| Planck Length | 0 × 0 × 0 m | 0 × 0 × 0 cm | 0 × 0 × 0 in |
| Quantum Foam | 0 × 0 × 0 m | 0 × 0 × 0 cm | 0 × 0 × 0 in |
| Plank Energy Ultra-High-Energy Gamma Ray | 0 × 0 × 0 m | 0 × 0 × 0 cm | 0 × 0 × 0 in |
| Planck Particle | 0 × 0 × 0 m | 0 × 0 × 0 cm | 0 × 0 × 0 in |
| 1 MeV Energy Neutrino | 0 × 0 × 0 m | 0 × 0 × 0 cm | 0 × 0 × 0 in |
| High Energy Neutrino | 0 × 0 × 0 m | 0 × 0 × 0 cm | 0 × 0 × 0 in |
| Upper Size Limit of a Quark | 0 × 0 × 0 m | 0 × 0 × 0 cm | 0 × 0 × 0 in |
| Neutron | 0 × 0 × 0 m | 0 × 0 × 0 cm | 0 × 0 × 0 in |
| Proton | 0 × 0 × 0 m | 0 × 0 × 0 cm | 0 × 0 × 0 in |
| Cosmic String | 0 × 0 × 0 m | 0 × 0 × 0 cm | 0 × 0 × 0 in |
| Typical Length of a Gamma Ray | 0 × 0 × 0 m | 0 × 0 × 0 cm | 0 × 0 × 0 in |
| De Broglie Wavelength of a Buckyball | 0 × 0 × 0 m | 0 × 0 × 0 cm | 0 × 0 × 0 in |
| Covalent Diameter of Hydrogen | 0 × 0 × 0 m | 0 × 0 × 0 cm | 0 × 0 × 0 in |
| Covalent Diameter of Tellurium | 0 × 0 × 0 m | 0 × 0 × 0 cm | 0 × 0 × 0 in |
| Covalent Diameter of Caesium | 0 × 0 × 0 m | 0 × 0 × 0 cm | 0 × 0 × 0 in |
| Upper Limit of an X-ray | 0 × 0 × 0 m | 0 × 0 × 0 cm | 0 × 0 × 0 in |
| DNA Helix | 0 × 0 × 0 m | 0 × 0 × 0 cm | 0 × 0 × 0 in |
| Haemoglobin | 0 × 0 × 0 m | 0 × 0 × 0 cm | 0 × 0 × 0 in |
| Zika Virus | 0 × 0 × 0 m | 0 × 0 × 0 cm | 0 × 0 × 0 in |
| Influenza A Virus | 0 × 0 × 0 m | 0 × 0 × 0 cm | 0 × 0 × 0 in |
| Severe Acute Respiratory Syndrome Coronavirus 2 | 0 × 0 × 0 m | 0 × 0 × 0 cm | 0 × 0 × 0 in |
| Smallpox | 0 × 0 × 0 m | 0 × 0 × 0 cm | 0 × 0 × 0 in |
| Shortest Visible Light Wavelength | 0 × 0 × 0 m | 0 × 0 × 0 cm | 0 × 0 × 0 in |
| Megavirus | 0 × 0 × 0 m | 0 × 0 × 0 cm | 0 × 0 × 0 in |
| Longest Visible Light Wavelength | 0 × 0 × 0 m | 0 × 0 × 0 cm | 0 × 0 × 0 in |
| Cell Nucleus | 0 × 0 × 0 m | 0 × 0 × 0 cm | 0 × 0 × 0 in |
| Anthrax | 0 × 0 × 0 m | 0 × 0 × 0 cm | 0 × 0 × 0 in |
| Balantidium Coli | 0 × 0 × 0 m | 0.01 × 0.01 × 0.01 cm | 0 × 0 × 0 in |
| Tardigrade | 0 × 0 × 0 m | 0.05 × 0.05 × 0.05 cm | 0.02 × 0.02 × 0.02 in |
| Thiomargarita Namibiensis | 0 × 0 × 0 m | 0.08 × 0.08 × 0.08 cm | 0.03 × 0.03 × 0.03 in |
| Paedophryne Amauensis | 0.01 × 0.01 × 0.01 m | 0.77 × 0.77 × 0.77 cm | 0.3 × 0.3 × 0.3 in |
| Krill | 1 × 1 × 1 cm | 1 × 1 × 1 cm | 0.39 × 0.39 × 0.39 in |
| Paedocypris Progenetica | 1.3 × 1.3 × 1.3 cm | 1.3 × 1.3 × 1.3 cm | 0.51 × 0.51 × 0.51 in |
| Cullinan Diamond | 10.1 × 10.1 × 10.1 cm | 10.1 × 10.1 × 10.1 cm | 3.98 × 3.98 × 3.98 in |
| Banana | 15.0 × 15.0 × 15.0 cm | 15.0 × 15.0 × 15.0 cm | 5.91 × 5.91 × 5.91 in |
| Cake | 20.0 × 20.0 × 20.0 cm | 20.0 × 20.0 × 20.0 cm | 7.87 × 7.87 × 7.87 in |
| Cat | 46.0 × 46.0 × 46.0 cm | 46.0 × 46.0 × 46.0 cm | 18.1 × 18.1 × 18.1 in |
| Giant Isopod | 50.0 × 50.0 × 50.0 cm | 50.0 × 50.0 × 50.0 cm | 19.7 × 19.7 × 19.7 in |
| Colossendeis | 50.0 × 50.0 × 50.0 cm | 50.0 × 50.0 × 50.0 cm | 19.7 × 19.7 × 19.7 in |
| Shortest Known Human | 54.6 × 54.6 × 54.6 cm | 54.6 × 54.6 × 54.6 cm | 21.5 × 21.5 × 21.5 in |
| 2011 CQ1 | 0.8 × 0.8 × 0.8 m | 80.0 × 80.0 × 80.0 cm | 31.5 × 31.5 × 31.5 in |
| 2020 CW | 1.1 × 1.1 × 1.1 m | 110 × 110 × 110 cm | 43.3 × 43.3 × 43.3 in |
| Average Human Size | 1.71 × 1.71 × 1.71 m | 171 × 171 × 171 cm | 67.3 × 67.3 × 67.3 in |
| 2020 CD3 | 2.7 × 2.7 × 2.7 m | 270 × 270 × 270 cm | 106 × 106 × 106 in |
| Tallest Known Human | 2.72 × 2.72 × 2.72 m | 272 × 272 × 272 cm | 107 × 107 × 107 in |
| Polar Bear | 3.39 × 3.39 × 3.39 m | 339 × 339 × 339 cm | 133 × 133 × 133 in |
| 2020 JJ | 4.5 × 4.5 × 4.5 m | 450 × 450 × 450 cm | 177 × 177 × 177 in |
| Giant Oarfish | 8 × 8 × 8 m | 800 × 800 × 800 cm | 315 × 315 × 315 in |
| 2020 VT4 | 10.0 × 10.0 × 10.0 m | 1,000 × 1,000 × 1,000 cm | 394 × 394 × 394 in |
| Blue Whale | 29.9 × 29.9 × 29.9 m | 2,990 × 2,990 × 2,990 cm | 1,177 × 1,177 × 1,177 in |
| Antonov An-225 Mriya | 88.4 × 88.4 × 88.4 m | 8,840 × 8,840 × 8,840 cm | 3,480 × 3,480 × 3,480 in |
| International Space Station | 109 × 109 × 109 m | 10,900 × 10,900 × 10,900 cm | 4,291 × 4,291 × 4,291 in |
| Saturn V | 111 × 111 × 111 m | 11,060 × 11,060 × 11,060 cm | 4,354 × 4,354 × 4,354 in |
| Current Height of the Great Pyramid of Giza | 139 × 139 × 139 m | 13,880 × 13,880 × 13,880 cm | 5,465 × 5,465 × 5,465 in |
| 2020 BX12 and the Satellite of 2020 BX12 | 165 × 165 × 165 m | 16,500 × 16,500 × 16,500 cm | 6,496 × 6,496 × 6,496 in |
| Bagger 288 | 220 × 220 × 220 m | 22,000 × 22,000 × 22,000 cm | 8,661 × 8,661 × 8,661 in |
| Millau Viaduct | 336 × 336 × 336 m | 33,640 × 33,640 × 33,640 cm | 13,244 × 13,244 × 13,244 in |
| Uluru | 348 × 348 × 348 m | 34,800 × 34,800 × 34,800 cm | 13,701 × 13,701 × 13,701 in |
| Allure of the Seas | 362 × 362 × 362 m | 36,200 × 36,200 × 36,200 cm | 14,252 × 14,252 × 14,252 in |
| ‘Oumuamua | 400 × 400 × 400 m | 40,000 × 40,000 × 40,000 cm | 15,748 × 15,748 × 15,748 in |
| 101955 Bennu | 565 × 565 × 565 m | 56,500 × 56,500 × 56,500 cm | 22,244 × 22,244 × 22,244 in |
| Tai Mo Shan | 957 × 957 × 957 m | 95,700 × 95,700 × 95,700 cm | 37,677 × 37,677 × 37,677 in |
| Federation Peak | 1,224 × 1,224 × 1,224 m | 122,400 × 122,400 × 122,400 cm | 48,189 × 48,189 × 48,189 in |
| Mitre Peak | 1,683 × 1,683 × 1,683 m | 168,300 × 168,300 × 168,300 cm | 66,260 × 66,260 × 66,260 in |
| Methone | 3.88 × 3.88 × 3.88 km | 388,000 × 388,000 × 388,000 cm | 152,756 × 152,756 × 152,756 in |
| Matterhorn | 4,478 × 4,478 × 4,478 m | 447,800 × 447,800 × 447,800 cm | 176,299 × 176,299 × 176,299 in |
| Comet NEOWISE | 5 × 5 × 5 km | 500,000 × 500,000 × 500,000 cm | 196,850 × 196,850 × 196,850 in |
| 81P/Wild | 5.5 × 5.5 × 5.5 km | 550,000 × 550,000 × 550,000 cm | 216,535 × 216,535 × 216,535 in |
| Mount Everest | 8,848 × 8,848 × 8,848 m | 884,800 × 884,800 × 884,800 cm | 348,346 × 348,346 × 348,346 in |
| Minimum Size of the Chicxulub Impactor | 10.6 × 10.6 × 10.6 km | 1,060,000 × 1,060,000 × 1,060,000 cm | 417,323 × 417,323 × 417,323 in |
| Marianas Trench | 10,925 × 10,925 × 10,925 m | 1,092,500 × 1,092,500 × 1,092,500 cm | 430,118 × 430,118 × 430,118 in |
| Phobos | 11,267 × 11,267 × 11,267 m | 1,126,700 × 1,126,700 × 1,126,700 cm | 443,583 × 443,583 × 443,583 in |
| GRO J0422+32 | 14.7 × 14.7 × 14.7 km | 1,468,200 × 1,468,200 × 1,468,200 cm | 578,031 × 578,031 × 578,031 in |
| Eros | 16.8 × 16.8 × 16.8 km | 1,684,000 × 1,684,000 × 1,684,000 cm | 662,992 × 662,992 × 662,992 in |
| Lich | 20.0 × 20.0 × 20.0 km | 2,000,000 × 2,000,000 × 2,000,000 cm | 787,402 × 787,402 × 787,402 in |
| XTE J1739-285 | 21.8 × 21.8 × 21.8 km | 2,180,000 × 2,180,000 × 2,180,000 cm | 858,268 × 858,268 × 858,268 in |
| Pan | 34.4 × 34.4 × 34.4 km | 3,440,000 × 3,440,000 × 3,440,000 cm | 1,354,331 × 1,354,331 × 1,354,331 in |
| 486958 Arrokoth | 36.0 × 36.0 × 36.0 km | 3,600,000 × 3,600,000 × 3,600,000 cm | 1,417,323 × 1,417,323 × 1,417,323 in |
| 1625 The NORC | 47.0 × 47.0 × 47.0 km | 4,700,000 × 4,700,000 × 4,700,000 cm | 1,850,394 × 1,850,394 × 1,850,394 in |

| Object | Volume | vs smallest |
|---|---|---|
| Zero Size | — | — |
| Planck Length | 4.2 × 10−96 mm³ | 1× |
| Quantum Foam | 4.2 × 10−96 mm³ | 1× |
| Plank Energy Ultra-High-Energy Gamma Ray | 4.2 × 10−96 mm³ | 1× |
| Planck Particle | 1.5 × 10−93 mm³ | 351× |
| 1 MeV Energy Neutrino | 8 × 10−63 mm³ | >1,000,000× |
| High Energy Neutrino | 2.7 × 10−51 mm³ | >1,000,000× |
| Upper Size Limit of a Quark | 8 × 10−47 mm³ | >1,000,000× |
| Neutron | 4.1 × 10−39 mm³ | >1,000,000× |
| Proton | 4.7 × 10−39 mm³ | >1,000,000× |
| Cosmic String | 1 × 10−36 mm³ | >1,000,000× |
| Typical Length of a Gamma Ray | 1 × 10−27 mm³ | >1,000,000× |
| De Broglie Wavelength of a Buckyball | 1.6 × 10−26 mm³ | >1,000,000× |
| Covalent Diameter of Hydrogen | 1.3 × 10−22 mm³ | >1,000,000× |
| Covalent Diameter of Tellurium | 2.2 × 10−20 mm³ | >1,000,000× |
| Covalent Diameter of Caesium | 1.4 × 10−19 mm³ | >1,000,000× |
| Upper Limit of an X-ray | 1 × 10−18 mm³ | >1,000,000× |
| DNA Helix | 8 × 10−18 mm³ | >1,000,000× |
| Haemoglobin | 3.1 × 10−16 mm³ | >1,000,000× |
| Zika Virus | 2.7 × 10−13 mm³ | >1,000,000× |
| Influenza A Virus | 1.7 × 10−12 mm³ | >1,000,000× |
| Severe Acute Respiratory Syndrome Coronavirus 2 | 8 × 10−12 mm³ | >1,000,000× |
| Smallpox | 4.3 × 10−11 mm³ | >1,000,000× |
| Shortest Visible Light Wavelength | 5.5 × 10−11 mm³ | >1,000,000× |
| Megavirus | 8.5 × 10−11 mm³ | >1,000,000× |
| Longest Visible Light Wavelength | 3.4 × 10−10 mm³ | >1,000,000× |
| Cell Nucleus | 3.4 × 10−7 mm³ | >1,000,000× |
| Anthrax | 1 × 10−6 mm³ | >1,000,000× |
| Balantidium Coli | 2.2 × 10−4 mm³ | >1,000,000× |
| Tardigrade | 0.13 mm³ | >1,000,000× |
| Thiomargarita Namibiensis | 0.42 mm³ | >1,000,000× |
| Paedophryne Amauensis | 457 mm³ | >1,000,000× |
| Krill | 1 cm³ | >1,000,000× |
| Paedocypris Progenetica | 2.2 cm³ | >1,000,000× |
| Cullinan Diamond | 1.03 litres | >1,000,000× |
| Banana | 3.38 litres | >1,000,000× |
| Cake | 8 litres | >1,000,000× |
| Cat | 97.3 litres | >1,000,000× |
| Giant Isopod | 125 litres | >1,000,000× |
| Colossendeis | 125 litres | >1,000,000× |
| Shortest Known Human | 163 litres | >1,000,000× |
| 2011 CQ1 | 512 litres | >1,000,000× |
| 2020 CW | 1.33 m³ | >1,000,000× |
| Average Human Size | 5 m³ | >1,000,000× |
| 2020 CD3 | 19.7 m³ | >1,000,000× |
| Tallest Known Human | 20.1 m³ | >1,000,000× |
| Polar Bear | 39.0 m³ | >1,000,000× |
| 2020 JJ | 91.1 m³ | >1,000,000× |
| Giant Oarfish | 512 m³ | >1,000,000× |
| 2020 VT4 | 1,000 m³ | >1,000,000× |
| Blue Whale | 26,731 m³ | >1,000,000× |
| Antonov An-225 Mriya | 690,807 m³ | >1,000,000× |
| International Space Station | 1,295,029 m³ | >1,000,000× |
| Saturn V | 1,352,899 m³ | >1,000,000× |
| Current Height of the Great Pyramid of Giza | 2,674,043 m³ | >1,000,000× |
| 2020 BX12 and the Satellite of 2020 BX12 | 4,492,125 m³ | >1,000,000× |
| Bagger 288 | 10,648,000 m³ | >1,000,000× |
| Millau Viaduct | 38,068,693 m³ | >1,000,000× |
| Uluru | 42,144,192 m³ | >1,000,000× |
| Allure of the Seas | 47,437,928 m³ | >1,000,000× |
| ‘Oumuamua | 64,000,000 m³ | >1,000,000× |
| 101955 Bennu | 180,362,125 m³ | >1,000,000× |
| Tai Mo Shan | 876,467,493 m³ | >1,000,000× |
| Federation Peak | 1.83 km³ | >1,000,000× |
| Mitre Peak | 4.77 km³ | >1,000,000× |
| Methone | 58.4 km³ | >1,000,000× |
| Matterhorn | 89.8 km³ | >1,000,000× |
| Comet NEOWISE | 125 km³ | >1,000,000× |
| 81P/Wild | 166 km³ | >1,000,000× |
| Mount Everest | 693 km³ | >1,000,000× |
| Minimum Size of the Chicxulub Impactor | 1,191 km³ | >1,000,000× |
| Marianas Trench | 1,304 km³ | >1,000,000× |
| Phobos | 1,430 km³ | >1,000,000× |
| GRO J0422+32 | 3,165 km³ | >1,000,000× |
| Eros | 4,776 km³ | >1,000,000× |
| Lich | 8,000 km³ | >1,000,000× |
| XTE J1739-285 | 10,360 km³ | >1,000,000× |
| Pan | 40,708 km³ | >1,000,000× |
| 486958 Arrokoth | 46,656 km³ | >1,000,000× |
| 1625 The NORC | 103,823 km³ | >1,000,000× |
* Height × width × depth of the box each object fits in, not the object's own volume. Multiples are against the smallest box here, Planck Length. Anything beyond a million times bigger is shown as >1,000,000×.