Unit lm/zm²
Name lumen per square zeptometre
Category Illuminance
Details A lumen per square zeptometer (lm/zm²) is a unit used to measure illuminance in the field of lighting and photometry. Illuminance refers to the amount of visible light that reaches a surface per unit area. It is an important factor in understanding how well-lit an environment is for human perception and activities.

The lumen (lm) is a unit that represents the amount of visible light emitted by a source. It takes into account the sensitivity of the human eye to different wavelengths of light, giving more weight to the wavelengths that the human eye is most sensitive to, which is around 555 nm (green light).

A zeptometer (zm) is an extremely small unit of length, equivalent to 10^(-21) meters. Therefore, a square zeptometer (zm²) refers to an incredibly tiny area, so small that it does not have any practical application in everyday life.

Although using lm/zm² as a unit of illuminance is not practical because of the excessively small scale of square zepto meter, it is still a valid unit. However, customary unit to measure illuminance is lumens per square meter (lm/m²), also known as lux. Larger illuminance values typically indicate that more light is reaching the surface, potentially making it easier for humans to perceive objects and perform tasks.
lm/zm²(lumen per square zeptometre) to alx(attolux)lm/zm²(lumen per square zeptometre) to aph(attophot)lm/zm²(lumen per square zeptometre) to clx(centilux)lm/zm²(lumen per square zeptometre) to cph(centiphot)lm/zm²(lumen per square zeptometre) to dalx(decalux)lm/zm²(lumen per square zeptometre) to daph(decaphot)lm/zm²(lumen per square zeptometre) to dlx(decilux)lm/zm²(lumen per square zeptometre) to dph(deciphot)lm/zm²(lumen per square zeptometre) to Elx(exalux)lm/zm²(lumen per square zeptometre) to Eph(exaphot)lm/zm²(lumen per square zeptometre) to fc(foot-candle)lm/zm²(lumen per square zeptometre) to flx(femtolux)lm/zm²(lumen per square zeptometre) to fph(femtophot)lm/zm²(lumen per square zeptometre) to Glx(gigalux)lm/zm²(lumen per square zeptometre) to Gph(gigaphot)lm/zm²(lumen per square zeptometre) to hlx(hectolux)lm/zm²(lumen per square zeptometre) to hph(hectophot)lm/zm²(lumen per square zeptometre) to klx(kilolux)lm/zm²(lumen per square zeptometre) to kph(kilophot)lm/zm²(lumen per square zeptometre) to lm/am²(lumen per square attometre)lm/zm²(lumen per square zeptometre) to lm/cm²(lumen per square centimetre)lm/zm²(lumen per square zeptometre) to lm/dam²(lumen per square decametre)lm/zm²(lumen per square zeptometre) to lm/dm²(lumen per square decimetre)lm/zm²(lumen per square zeptometre) to lm/Em²(lumen per square exametre)lm/zm²(lumen per square zeptometre) to lm/fm²(lumen per square femtometre)lm/zm²(lumen per square zeptometre) to lm/ft²(lumen per square foot)lm/zm²(lumen per square zeptometre) to lm/Gm²(lumen per square gigametre)lm/zm²(lumen per square zeptometre) to lm/hm²(lumen per square hectometre)lm/zm²(lumen per square zeptometre) to lm/in²(lumen per square inch)lm/zm²(lumen per square zeptometre) to lm/km²(lumen per square kilometre)lm/zm²(lumen per square zeptometre) to lm/Mm²(lumen per square megametre)lm/zm²(lumen per square zeptometre) to lm/mm²(lumen per square millimetre)lm/zm²(lumen per square zeptometre) to lm/m²(lumen per square metre)lm/zm²(lumen per square zeptometre) to lm/nm²(lumen per square nanometre)lm/zm²(lumen per square zeptometre) to lm/Pm²(lumen per square petametre)lm/zm²(lumen per square zeptometre) to lm/pm²(lumen per square picometre)lm/zm²(lumen per square zeptometre) to lm/Tm²(lumen per square terametre)lm/zm²(lumen per square zeptometre) to lm/ym²(lumen per square yoctometre)lm/zm²(lumen per square zeptometre) to lm/Ym²(lumen per square yottametre)lm/zm²(lumen per square zeptometre) to lm/Zm²(lumen per square zettametre)lm/zm²(lumen per square zeptometre) to lm/µm²(lumen per square micrometre)lm/zm²(lumen per square zeptometre) to lx(lux)lm/zm²(lumen per square zeptometre) to Mlx(megalux)lm/zm²(lumen per square zeptometre) to mlx(millilux)lm/zm²(lumen per square zeptometre) to Mph(megaphot)lm/zm²(lumen per square zeptometre) to mph(milliphot)lm/zm²(lumen per square zeptometre) to nlx(nanolux)lm/zm²(lumen per square zeptometre) to nph(nanophot)lm/zm²(lumen per square zeptometre) to nx(nox)lm/zm²(lumen per square zeptometre) to ph(phot)lm/zm²(lumen per square zeptometre) to Plx(petalux)lm/zm²(lumen per square zeptometre) to plx(picolux)lm/zm²(lumen per square zeptometre) to Pph(petaphot)lm/zm²(lumen per square zeptometre) to pph(picophot)lm/zm²(lumen per square zeptometre) to Tlx(teralux)lm/zm²(lumen per square zeptometre) to Tph(teraphot)lm/zm²(lumen per square zeptometre) to ylx(yoctolux)lm/zm²(lumen per square zeptometre) to Ylx(yottalux)lm/zm²(lumen per square zeptometre) to yph(yoctophot)lm/zm²(lumen per square zeptometre) to Yph(yottaphot)lm/zm²(lumen per square zeptometre) to zlx(zeptolux)lm/zm²(lumen per square zeptometre) to Zlx(zettalux)lm/zm²(lumen per square zeptometre) to zph(zeptophot)lm/zm²(lumen per square zeptometre) to Zph(zettaphot)lm/zm²(lumen per square zeptometre) to µlx(microlux)lm/zm²(lumen per square zeptometre) to µph(microphot)
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