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Proton vs Neutron vs Femtometer vs Atomic nucleus vs 10 Femtometers…

This comparison shows 17 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 nm), Neutron (0 × 0 × 0 nm), Femtometer (0 × 0 × 0 nm), Atomic nucleus (0 × 0 × 0 nm), 10 Femtometers (0 × 0 × 0 nm), 100 Femtometers (0 × 0 × 0 nm), and 11 more, drawn to scale
Dimensions (height × width × depth)
ObjectAs enteredCentimetresInches
Proton0 × 0 × 0 nm0 × 0 × 0 cm0 × 0 × 0 in
Neutron0 × 0 × 0 nm0 × 0 × 0 cm0 × 0 × 0 in
Femtometer0 × 0 × 0 nm0 × 0 × 0 cm0 × 0 × 0 in
Atomic nucleus0 × 0 × 0 nm0 × 0 × 0 cm0 × 0 × 0 in
10 Femtometers0 × 0 × 0 nm0 × 0 × 0 cm0 × 0 × 0 in
100 Femtometers0 × 0 × 0 nm0 × 0 × 0 cm0 × 0 × 0 in
Picometer0 × 0 × 0 nm0 × 0 × 0 cm0 × 0 × 0 in
10 Picometers0.01 × 0.01 × 0.01 nm0 × 0 × 0 cm0 × 0 × 0 in
Atom0.1 × 0.1 × 0.1 nm0 × 0 × 0 cm0 × 0 × 0 in
100 Picometers0.1 × 0.1 × 0.1 nm0 × 0 × 0 cm0 × 0 × 0 in
Amino acid0.5 × 0.5 × 0.5 nm0 × 0 × 0 cm0 × 0 × 0 in
Silicon crystal0.54 × 0.54 × 0.54 nm0 × 0 × 0 cm0 × 0 × 0 in
Fullerene0.71 × 0.71 × 0.71 nm0 × 0 × 0 cm0 × 0 × 0 in
Nanometer1 × 1 × 1 nm0 × 0 × 0 cm0 × 0 × 0 in
Carbon nanotube1 × 1 × 1 nm0 × 0 × 0 cm0 × 0 × 0 in
DNA2 × 2 × 2 nm0 × 0 × 0 cm0 × 0 × 0 in
Nanoparticles1 × 1 × 1 nm0 × 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, Femtometer 1 × 10<sup>−36</sup> mm³, Atomic nucleus 1 × 10<sup>−33</sup> mm³, 10 Femtometers 1 × 10<sup>−33</sup> mm³, 100 Femtometers 1 × 10<sup>−30</sup> mm³, Picometer 1 × 10<sup>−27</sup> mm³, 10 Picometers 1 × 10<sup>−24</sup> mm³, Atom 1 × 10<sup>−21</sup> mm³, 100 Picometers 1 × 10<sup>−21</sup> mm³
Bounding-box volume*
ObjectVolumevs smallest
Proton1 × 10−36 mm³1×
Neutron1 × 10−36 mm³1×
Femtometer1 × 10−36 mm³1×
Atomic nucleus1 × 10−33 mm³1,000×
10 Femtometers1 × 10−33 mm³1,000×
100 Femtometers1 × 10−30 mm³>1,000,000×
Picometer1 × 10−27 mm³>1,000,000×
10 Picometers1 × 10−24 mm³>1,000,000×
Atom1 × 10−21 mm³>1,000,000×
100 Picometers1 × 10−21 mm³>1,000,000×
Amino acid1.3 × 10−19 mm³>1,000,000×
Silicon crystal1.6 × 10−19 mm³>1,000,000×
Fullerene3.6 × 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×
Nanoparticles1 × 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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