›› Convert polegada [Portuguese] to light day


polegada
light-day


›› More information from the unit converter

How many polegada in 1 light-day? The answer is 1.0197664713071E+15.
We assume you are converting between polegada [Portuguese] and light day.
You can view more details on each measurement unit:
polegada or light-day
The SI base unit for length is the metre.
1 metre is equal to 39.370078740157 polegada, or 3.8606955462749E-14 light-day.
Note that rounding errors may occur, so always check the results.
Use this page to learn how to convert between polegadas and light days.
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›› Common length conversions

polegada to nanon
polegada to attometer
polegada to kiloyard
polegada to mille
polegada to caliber
polegada to li
polegada to lug
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polegada to kerat
polegada to arsheen


›› Definition: Polegada

A polegada é uma unidade de comprimento usada no sistema imperial de medidas britânico.

A polegada tem sua origem na medida realizada com o próprio polegar humano (não todo ele, mas a distância entre a dobra do polegar e a ponta). Uma medida rápida do polegar de um ser humano adulto fornece aproximadamente 2,5 cm de comprimento para esta distância.

Hoje em dia, ela é definida em função da Jarda. Esta por sua vez é definida em função do metro (unidade adotada na maioria dos países).


›› Definition: Light-day

A light day (also written light-day) is a unit of length. It is defined as the distance light travels in an absolute vacuum in one day (of 86,400 seconds) or 25,902,068,371,200 metres (~26 Tm).

Note that this value is exact, since the metre is actually defined in terms of the speed of light. The light day isn't very frequently used at all since there are few astronomical objects or distances of that magnitude; the Oort cloud, for example, is thought to extend between 290 and 580 light-days out from the Sun.


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