Planck Constants | The Units and Constants Handbook at KnowledgeDoor

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	Planck Constants
	Planck Constants

Characteristic		Planck-constant		Notes
Characteristic		Planck-constant		Notes
Symbol	h
Metric (SI) Equivalent	6.62607015×10-34 second joules			This equivalent and the one below are exact.
Another Metric (SI) Equivalent with More Basic Units	6.62607015×10-34 meter2 kilograms / second
Metric (SI) Dimensions	length2 × mass × time-1

Characteristic		Planck-constant-over-2-pi		Notes
Characteristic		Planck-constant-over-2-pi		Notes
Symbol	ħ			Use "hbar" for our conversion calculators.
Other Names	natural-unit-of-action, atomic-unit-of-action, natural-unit-of-angular-momentum, atomic-unit-of-angular-momentum, reduced Planck constant
Metric (SI) Equivalent	1.0545718176×10-34 second joules
Another Metric (SI) Equivalent with More Basic Units	105.45718176 atto meter2 kilograms / second
Metric (SI) Dimensions	length2 × mass × time-1
Description in Terms of Other Units and Constants	Planck-constant / (2 pi)

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