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Proton vs Neutron vs Hydrogen Nucleus vs Helium Nucleus vs Uranium…

This comparison shows 18 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 Proton (0 × 0 × 0 m), Neutron (0 × 0 × 0 m), Hydrogen Nucleus (0 × 0 × 0 m), Helium Nucleus (0 × 0 × 0 nm), Uranium nucleus (0 × 0 × 0 nm), picometer (0 × 0 × 0 nm), and 12 more, drawn to scale
Dimensions (height × width × depth)
ObjectAs enteredCentimetresInches
Proton0 × 0 × 0 m0 × 0 × 0 cm0 × 0 × 0 in
Neutron0 × 0 × 0 m0 × 0 × 0 cm0 × 0 × 0 in
Hydrogen Nucleus0 × 0 × 0 m0 × 0 × 0 cm0 × 0 × 0 in
Helium Nucleus0 × 0 × 0 nm0 × 0 × 0 cm0 × 0 × 0 in
Uranium nucleus0 × 0 × 0 nm0 × 0 × 0 cm0 × 0 × 0 in
picometer0 × 0 × 0 nm0 × 0 × 0 cm0 × 0 × 0 in
Gamma Ray Wavelength0 × 0 × 0 nm0 × 0 × 0 cm0 × 0 × 0 in
Oxygen Atom0.18 × 0.18 × 0.18 nm0 × 0 × 0 cm0 × 0 × 0 in
Sulfur atom0.2 × 0.2 × 0.2 nm0 × 0 × 0 cm0 × 0 × 0 in
Gold atom0.24 × 0.24 × 0.24 nm0 × 0 × 0 cm0 × 0 × 0 in
Oganesson atom0.31 × 0.31 × 0.31 nm0 × 0 × 0 cm0 × 0 × 0 in
Xenon atom0.43 × 0.43 × 0.43 nm0 × 0 × 0 cm0 × 0 × 0 in
Cesium Atom0.5 × 0.5 × 0.5 nm0 × 0 × 0 cm0 × 0 × 0 in
Francium Atom0.56 × 0.56 × 0.56 nm0 × 0 × 0 cm0 × 0 × 0 in
Glucose Molecule0.8 × 0.8 × 0.8 nm0 × 0 × 0 cm0 × 0 × 0 in
Nanometer1 × 1 × 1 nm0 × 0 × 0 cm0 × 0 × 0 in
Carbon nanotube0 × 0 × 0 m0 × 0 × 0 cm0 × 0 × 0 in
DNA0 × 0 × 0 m0 × 0 × 0 cm0 × 0 × 0 in
Bounding-box volumes as bars: Proton 1 × 10<sup>−36</sup> mm³, Neutron 1 × 10<sup>−36</sup> mm³, Hydrogen Nucleus 1 × 10<sup>−36</sup> mm³, Helium Nucleus 3.3 × 10<sup>−35</sup> mm³, Uranium nucleus 1 × 10<sup>−33</sup> mm³, picometer 1 × 10<sup>−27</sup> mm³, Gamma Ray Wavelength 1 × 10<sup>−27</sup> mm³, Oxygen Atom 5.8 × 10<sup>−21</sup> mm³, Sulfur atom 8 × 10<sup>−21</sup> mm³, Gold atom 1.4 × 10<sup>−20</sup> mm³
Bounding-box volume*
ObjectVolumevs smallest
Proton1 × 10−36 mm³1×
Neutron1 × 10−36 mm³1×
Hydrogen Nucleus1 × 10−36 mm³1×
Helium Nucleus3.3 × 10−35 mm³33×
Uranium nucleus1 × 10−33 mm³1,000×
picometer1 × 10−27 mm³>1,000,000×
Gamma Ray Wavelength1 × 10−27 mm³>1,000,000×
Oxygen Atom5.8 × 10−21 mm³>1,000,000×
Sulfur atom8 × 10−21 mm³>1,000,000×
Gold atom1.4 × 10−20 mm³>1,000,000×
Oganesson atom3.1 × 10−20 mm³>1,000,000×
Xenon atom8.1 × 10−20 mm³>1,000,000×
Cesium Atom1.3 × 10−19 mm³>1,000,000×
Francium Atom1.8 × 10−19 mm³>1,000,000×
Glucose Molecule5.1 × 10−19 mm³>1,000,000×
Nanometer1 × 10−18 mm³>1,000,000×
Carbon nanotube1 × 10−18 mm³>1,000,000×
DNA8 × 10−18 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, Proton. Anything beyond a million times bigger is shown as >1,000,000×.

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