Planck length Comparison Table

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Planck length comparison table

Subject has unit has uncertainty has definition has equation has value has symbol is a kind of is an instance of

length length unit quantity

universal constant changes in value are due solely to an increase in measurement accuracy or convention fundamental physical constant

Planck length length unit 0.0012 × 10^-35 m The scale below which quantum fluctuations in the fabric of spacetime would become enormous. The size of a typical string in string theory. 1.6160 × 10^-35 m l_P length

Subject	has unit	has uncertainty	has definition	has equation	has value	has symbol	is a kind of	is an instance of
length	length unit						quantity
universal constant					changes in value are due solely to an increase in measurement accuracy or convention		fundamental physical constant
Planck length	length unit	0.0012 × 10^-35 m	The scale below which quantum fluctuations in the fabric of spacetime would become enormous. The size of a typical string in string theory.		1.6160 × 10^-35 m	l_P		length

Next length: radius Up: length, universal constant Previous length: particle Compton wavelength