Physics Ontology

One map of physics, three ways in. Drill down on any quantity to see its units, the equations it lives in, and how its values span the universe.

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AA
Waves

Amplitude

Maximum displacement of an oscillation from equilibrium.

SI unit

metre (m)

Dimension: [L][\,L\,]

Other units

  • metre (m)

Order of magnitude

How values of amplitude span the physical world (in m, log scale).

Gravitational wave (LIGO)
10-18 m
Eardrum at threshold
10-11 m
Ocean swell
2.00 × 100 m
Lower limit10-18 mUpper limit101 m