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Calculator for the Planck Length

Conversion of different units of length to the Planck length.

The Planck length l_P is 1.616255*10^-35 meters. That's in the order of a sextillionth of the diameter of an electron. For sizes below the Planck length, both the effects of quantum theory and the general theory of relativity become relevant, which, however, contradict each other. A theory of quantum gravity would be necessary for the description.
Please enter a value and select a unit of length. It will be calculated how many Planck lengths correspond to this input. ^ means to the power of.

ångström, Åmillimeters, mmcentimeters, cmdecimeters, dmmeters, mkilometers, kminches, in, ″feet, ft, ′yards, ydmiles, miastronomical units, AUlightyears, lyparallax seconds, parsec, pc



This length corresponds to ... * 10^... Planck lengths.

Example: one astronomical unit, which is the average distance between the earth and the sun, has almost 10^46 Planck lengths.

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