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Helium atom vs Neon atom vs Hydrogen atom vs Oxygen atom vs Carbon…

This comparison shows 87 objects drawn to scale. Drag the view to rotate it, or add your own items to the comparison.

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Size comparison of Helium atom (0.03 × 0.03 × 0.03 nm), Neon atom (0.04 × 0.04 × 0.04 nm), Hydrogen atom (0.05 × 0.05 × 0.05 nm), Oxygen atom (0.06 × 0.06 × 0.06 nm), Carbon atom (0.07 × 0.07 × 0.07 nm), Silicon atom (0.11 × 0.11 × 0.11 nm), and 81 more, drawn to scale
Dimensions (height × width × depth)
ObjectAs enteredCentimetresInches
Helium atom0.03 × 0.03 × 0.03 nm0 × 0 × 0 cm0 × 0 × 0 in
Neon atom0.04 × 0.04 × 0.04 nm0 × 0 × 0 cm0 × 0 × 0 in
Hydrogen atom0.05 × 0.05 × 0.05 nm0 × 0 × 0 cm0 × 0 × 0 in
Oxygen atom0.06 × 0.06 × 0.06 nm0 × 0 × 0 cm0 × 0 × 0 in
Carbon atom0.07 × 0.07 × 0.07 nm0 × 0 × 0 cm0 × 0 × 0 in
Silicon atom0.11 × 0.11 × 0.11 nm0 × 0 × 0 cm0 × 0 × 0 in
Mercury atom0.15 × 0.15 × 0.15 nm0 × 0 × 0 cm0 × 0 × 0 in
Potassium atom0.22 × 0.22 × 0.22 nm0 × 0 × 0 cm0 × 0 × 0 in
Uranium atom0.23 × 0.23 × 0.23 nm0 × 0 × 0 cm0 × 0 × 0 in
Rubidium atom0.25 × 0.25 × 0.25 nm0 × 0 × 0 cm0 × 0 × 0 in
Cesium atom0.27 × 0.27 × 0.27 nm0 × 0 × 0 cm0 × 0 × 0 in
Water Molecule0.27 × 0.27 × 0.27 nm0 × 0 × 0 cm0 × 0 × 0 in
Carbon dioxide0.33 × 0.33 × 0.33 nm0 × 0 × 0 cm0 × 0 × 0 in
Hydrogen sulphide0.36 × 0.36 × 0.36 nm0 × 0 × 0 cm0 × 0 × 0 in
Methane0.38 × 0.38 × 0.38 nm0 × 0 × 0 cm0 × 0 × 0 in
Sulfur hexafluoride0.55 × 0.55 × 0.55 nm0 × 0 × 0 cm0 × 0 × 0 in
Sodium chloride0.7 × 0.7 × 0.7 nm0 × 0 × 0 cm0 × 0 × 0 in
Deoxyribonucleic acid Molecule2.5 × 2.5 × 2.5 nm0 × 0 × 0 cm0 × 0 × 0 in
Chlorophyll molecule3.5 × 3.5 × 3.5 nm0 × 0 × 0 cm0 × 0 × 0 in
Dna ligase6 × 6 × 6 nm0 × 0 × 0 cm0 × 0 × 0 in
Unnamed tiny bacteria9 × 9 × 9 nm0 × 0 × 0 cm0 × 0 × 0 in
Porcine circovirus type 214.0 × 14.0 × 14.0 nm0 × 0 × 0 cm0 × 0 × 0 in
IgD antibody15.0 × 15.0 × 15.0 nm0 × 0 × 0 cm0 × 0 × 0 in
Histone molecule16.0 × 16.0 × 16.0 nm0 × 0 × 0 cm0 × 0 × 0 in
Porcine circovirus type 317.0 × 17.0 × 17.0 nm0 × 0 × 0 cm0 × 0 × 0 in
Rodent associated circovirus19.5 × 19.5 × 19.5 nm0 × 0 × 0 cm0 × 0 × 0 in
Nanobe20.0 × 20.0 × 20.0 nm0 × 0 × 0 cm0 × 0 × 0 in
Ribosome molecule22.5 × 22.5 × 22.5 nm0 × 0 × 0 cm0 × 0 × 0 in
Double carbon nanotube molecule25.0 × 25.0 × 25.0 nm0 × 0 × 0 cm0 × 0 × 0 in
Hepatitis A virus27.0 × 27.0 × 27.0 nm0 × 0 × 0 cm0 × 0 × 0 in
Avastrovirus29.0 × 29.0 × 29.0 nm0 × 0 × 0 cm0 × 0 × 0 in
Human rhinovirus C30.0 × 30.0 × 30.0 nm0 × 0 × 0 cm0 × 0 × 0 in
Escherichia coli Bacteriophage32.0 × 32.0 × 32.0 nm0 × 0 × 0 cm0 × 0 × 0 in
Hepatitis D virus36.0 × 36.0 × 36.0 nm0 × 0 × 0 cm0 × 0 × 0 in
Zika virus50.0 × 50.0 × 50.0 nm0 × 0 × 0 cm0 × 0 × 0 in
Lambda phage58.0 × 58.0 × 58.0 nm0 × 0 × 0 cm0 × 0 × 0 in
T7 bacteriophage58.0 × 58.0 × 58.0 nm0 × 0 × 0 cm0 × 0 × 0 in
Feline immunodeficiency virus90.0 × 90.0 × 90.0 nm0 × 0 × 0 cm0 × 0 × 0 in
Adenovirus100 × 100 × 100 nm0 × 0 × 0 cm0 × 0 × 0 in
Nyavirus115 × 115 × 115 nm0 × 0 × 0 cm0 × 0 × 0 in
HIV120 × 120 × 120 nm0 × 0 × 0 cm0 × 0 × 0 in
Influenza virus120 × 120 × 120 nm0 × 0 × 0 cm0 × 0 × 0 in
COVID-19120 × 120 × 120 nm0 × 0 × 0 cm0 × 0 × 0 in
Fish herpesvirus123 × 123 × 123 nm0 × 0 × 0 cm0 × 0 × 0 in
Coronavirus140 × 140 × 140 nm0 × 0 × 0 cm0 × 0 × 0 in
Human coronavirus OC43140 × 140 × 140 nm0 × 0 × 0 cm0 × 0 × 0 in
Rousettus bat coronavirus GCCDC1140 × 140 × 140 nm0 × 0 × 0 cm0 × 0 × 0 in
Duck coronavirus 2714140 × 140 × 140 nm0 × 0 × 0 cm0 × 0 × 0 in
Human respiratory syncytial virus160 × 160 × 160 nm0 × 0 × 0 cm0 × 0 × 0 in
Rabies virus180 × 60.0 × 60.0 nm0 × 0 × 0 cm0 × 0 × 0 in
Measles virus180 × 180 × 180 nm0 × 0 × 0 cm0 × 0 × 0 in
T4 bacteriophage200 × 200 × 200 nm0 × 0 × 0 cm0 × 0 × 0 in
Peroxisome200 × 200 × 200 nm0 × 0 × 0 cm0 × 0 × 0 in
Centriole67.0 × 67.0 × 200 nm0 × 0 × 0 cm0 × 0 × 0 in
Ampullavirus230 × 230 × 230 nm0 × 0 × 0 cm0 × 0 × 0 in
Tobacco mosaic virus300 × 300 × 300 nm0 × 0 × 0 cm0 × 0 × 0 in
Mimivirus360 × 360 × 360 nm0 × 0 × 0 cm0 × 0 × 0 in
Mamavirus360 × 360 × 360 nm0 × 0 × 0 cm0 × 0 × 0 in
Megavirus440 × 440 × 440 nm0 × 0 × 0 cm0 × 0 × 0 in
Chlamydia arbortus550 × 550 × 550 nm0 × 0 × 0 cm0 × 0 × 0 in
Badnavirus565 × 30.0 × 30.0 nm0 × 0 × 0 cm0 × 0 × 0 in
Chloroflexi650 × 650 × 650 nm0 × 0 × 0 cm0 × 0 × 0 in
Neisseria800 × 800 × 800 nm0 × 0 × 0 cm0 × 0 × 0 in
Ebola virus900 × 80.0 × 80.0 nm0 × 0 × 0 cm0 × 0 × 0 in
Pandora virus1 × 1 × 1 um0 × 0 × 0 cm0 × 0 × 0 in
Tupanvirus1.2 × 1.2 × 1.2 um0 × 0 × 0 cm0 × 0 × 0 in
Escherichia coli1.5 × 1.5 × 1.5 um0 × 0 × 0 cm0 × 0 × 0 in
Pithovirus1.5 × 1.5 × 1.5 um0 × 0 × 0 cm0 × 0 × 0 in
Klebsiella pneumoniae2 × 0.5 × 0.5 um0 × 0 × 0 cm0 × 0 × 0 in
Salmonella2.15 × 2.15 × 2.15 um0 × 0 × 0 cm0 × 0 × 0 in
Enterococcus2.5 × 2 × 2 um0 × 0 × 0 cm0 × 0 × 0 in
Tuberculosis bacteria4 × 0.5 × 0.5 um0 × 0 × 0 cm0 × 0 × 0 in
Haloquardra5 × 0.15 × 5 um0 × 0 × 0 cm0 × 0 × 0 in
Cromossome1 × 4.7 × 6 um0 × 0 × 0 cm0 × 0 × 0 in
Chloroplasts7 × 7 × 7 um0 × 0 × 0 cm0 × 0 × 0 in
Red blood cell3 × 8 × 8 um0 × 0 × 0 cm0 × 0 × 0 in
World smallest snowman10.0 × 10.0 × 10.0 um0 × 0 × 0 cm0 × 0 × 0 in
Treponema pallidum10.8 × 0.2 × 0.12 um0 × 0 × 0 cm0 × 0 × 0 in
Clostridium11.0 × 1.3 × 1.3 um0 × 0 × 0 cm0 × 0 × 0 in
Width of of a silk fiber15.0 × 15.0 × 15.0 um0 × 0 × 0 cm0 × 0 × 0 in
White blood cell17.0 × 17.0 × 17.0 um0 × 0 × 0 cm0 × 0 × 0 in
Macrophage21.0 × 21.0 × 21.0 um0 × 0 × 0 cm0 × 0 × 0 in
Skin cell30.0 × 30.0 × 30.0 um0 × 0 × 0 cm0 × 0 × 0 in
Silt particle50.0 × 50.0 × 50.0 um0.01 × 0.01 × 0.01 cm0 × 0 × 0 in
H2O droplet50.0 × 50.0 × 50.0 um0.01 × 0.01 × 0.01 cm0 × 0 × 0 in
Spermatozoon60.0 × 20.0 × 20.0 um0.01 × 0 × 0 cm0 × 0 × 0 in
Pollen80.0 × 80.0 × 80.0 um0.01 × 0.01 × 0.01 cm0 × 0 × 0 in
Bounding-box volumes as bars: Helium atom 3 × 10<sup>−23</sup> mm³, Neon atom 5.5 × 10<sup>−23</sup> mm³, Hydrogen atom 1.5 × 10<sup>−22</sup> mm³, Oxygen atom 2.2 × 10<sup>−22</sup> mm³, Carbon atom 3.4 × 10<sup>−22</sup> mm³, Silicon atom 1.4 × 10<sup>−21</sup> mm³, Mercury atom 3.4 × 10<sup>−21</sup> mm³, Potassium atom 1.1 × 10<sup>−20</sup> mm³, Uranium atom 1.2 × 10<sup>−20</sup> mm³, Rubidium atom 1.5 × 10<sup>−20</sup> mm³
Bounding-box volume*
ObjectVolumevs smallest
Helium atom3 × 10−23 mm³1×
Neon atom5.5 × 10−23 mm³1.8×
Hydrogen atom1.5 × 10−22 mm³5×
Oxygen atom2.2 × 10−22 mm³7.3×
Carbon atom3.4 × 10−22 mm³12×
Silicon atom1.4 × 10−21 mm³46×
Mercury atom3.4 × 10−21 mm³113×
Potassium atom1.1 × 10−20 mm³357×
Uranium atom1.2 × 10−20 mm³408×
Rubidium atom1.5 × 10−20 mm³512×
Cesium atom1.9 × 10−20 mm³639×
Water Molecule2 × 10−20 mm³661×
Carbon dioxide3.6 × 10−20 mm³1,206×
Hydrogen sulphide4.7 × 10−20 mm³1,566×
Methane5.5 × 10−20 mm³1,842×
Sulfur hexafluoride1.7 × 10−19 mm³5,585×
Sodium chloride3.4 × 10−19 mm³11,514×
Deoxyribonucleic acid Molecule1.6 × 10−17 mm³524,487×
Chlorophyll molecule4.3 × 10−17 mm³>1,000,000×
Dna ligase2.2 × 10−16 mm³>1,000,000×
Unnamed tiny bacteria7.3 × 10−16 mm³>1,000,000×
Porcine circovirus type 22.7 × 10−15 mm³>1,000,000×
IgD antibody3.4 × 10−15 mm³>1,000,000×
Histone molecule4.1 × 10−15 mm³>1,000,000×
Porcine circovirus type 34.9 × 10−15 mm³>1,000,000×
Rodent associated circovirus7.4 × 10−15 mm³>1,000,000×
Nanobe8 × 10−15 mm³>1,000,000×
Ribosome molecule1.1 × 10−14 mm³>1,000,000×
Double carbon nanotube molecule1.6 × 10−14 mm³>1,000,000×
Hepatitis A virus2 × 10−14 mm³>1,000,000×
Avastrovirus2.4 × 10−14 mm³>1,000,000×
Human rhinovirus C2.7 × 10−14 mm³>1,000,000×
Escherichia coli Bacteriophage3.3 × 10−14 mm³>1,000,000×
Hepatitis D virus4.7 × 10−14 mm³>1,000,000×
Zika virus1.3 × 10−13 mm³>1,000,000×
Lambda phage2 × 10−13 mm³>1,000,000×
T7 bacteriophage2 × 10−13 mm³>1,000,000×
Feline immunodeficiency virus7.3 × 10−13 mm³>1,000,000×
Adenovirus1 × 10−12 mm³>1,000,000×
Nyavirus1.5 × 10−12 mm³>1,000,000×
HIV1.7 × 10−12 mm³>1,000,000×
Influenza virus1.7 × 10−12 mm³>1,000,000×
COVID-191.7 × 10−12 mm³>1,000,000×
Fish herpesvirus1.8 × 10−12 mm³>1,000,000×
Coronavirus2.7 × 10−12 mm³>1,000,000×
Human coronavirus OC432.7 × 10−12 mm³>1,000,000×
Rousettus bat coronavirus GCCDC12.7 × 10−12 mm³>1,000,000×
Duck coronavirus 27142.7 × 10−12 mm³>1,000,000×
Human respiratory syncytial virus4.1 × 10−12 mm³>1,000,000×
Rabies virus6.5 × 10−13 mm³>1,000,000×
Measles virus5.8 × 10−12 mm³>1,000,000×
T4 bacteriophage8 × 10−12 mm³>1,000,000×
Peroxisome8 × 10−12 mm³>1,000,000×
Centriole9 × 10−13 mm³>1,000,000×
Ampullavirus1.2 × 10−11 mm³>1,000,000×
Tobacco mosaic virus2.7 × 10−11 mm³>1,000,000×
Mimivirus4.7 × 10−11 mm³>1,000,000×
Mamavirus4.7 × 10−11 mm³>1,000,000×
Megavirus8.5 × 10−11 mm³>1,000,000×
Chlamydia arbortus1.7 × 10−10 mm³>1,000,000×
Badnavirus5.1 × 10−13 mm³>1,000,000×
Chloroflexi2.7 × 10−10 mm³>1,000,000×
Neisseria5.1 × 10−10 mm³>1,000,000×
Ebola virus5.8 × 10−12 mm³>1,000,000×
Pandora virus1 × 10−9 mm³>1,000,000×
Tupanvirus1.7 × 10−9 mm³>1,000,000×
Escherichia coli3.4 × 10−9 mm³>1,000,000×
Pithovirus3.4 × 10−9 mm³>1,000,000×
Klebsiella pneumoniae5 × 10−10 mm³>1,000,000×
Salmonella9.9 × 10−9 mm³>1,000,000×
Enterococcus1 × 10−8 mm³>1,000,000×
Tuberculosis bacteria1 × 10−9 mm³>1,000,000×
Haloquardra3.8 × 10−9 mm³>1,000,000×
Cromossome2.8 × 10−8 mm³>1,000,000×
Chloroplasts3.4 × 10−7 mm³>1,000,000×
Red blood cell1.9 × 10−7 mm³>1,000,000×
World smallest snowman1 × 10−6 mm³>1,000,000×
Treponema pallidum2.6 × 10−10 mm³>1,000,000×
Clostridium1.9 × 10−8 mm³>1,000,000×
Width of of a silk fiber3.4 × 10−6 mm³>1,000,000×
White blood cell4.9 × 10−6 mm³>1,000,000×
Macrophage9.3 × 10−6 mm³>1,000,000×
Skin cell2.7 × 10−5 mm³>1,000,000×
Silt particle1.3 × 10−4 mm³>1,000,000×
H2O droplet1.3 × 10−4 mm³>1,000,000×
Spermatozoon2.4 × 10−5 mm³>1,000,000×
Pollen5.1 × 10−4 mm³>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, Helium atom. Anything beyond a million times bigger is shown as >1,000,000×.

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