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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 attometer2 kilograms / second

Metric (SI) Dimensions

length2 × mass × time-1

Description in Terms of Other Units and Constants

Planck-constant / (2 pi)

Quantity

Planck Constants

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