Unit lm/µm²
Name lumen per square micrometre
Category Illuminance
Details In the field of illuminance, lm/µm² (lumen per square micrometre) is a unit used to measure the amount of light that is incident on a given area. Illuminance represents the intensity of light falling onto a surface, which can affect visibility, productivity, and overall ambience of a space.

The lumen (lm) is the unit of luminous flux, which represents the total amount of light emitted by a source per unit of time. The square micrometre (µm²) is the unit of area, where 1 micrometre is equal to 0.000001 meters or 1x10⁻⁶ meters.

So, lm/µm² refers to the number of lumens incident on an area of one square micrometre. It is essential in quantifying the light intensity in a specific area to determine the amount of light needed for a particular application, such as illumination engineering, architecture, and lighting design. This unit, however, is not commonly used because it represents a very small area, and other units like lm/m² (lux) or lm/cm² (phot) are more standardized for practical applications.
lm/µm²(lumen per square micrometre) to alx(attolux)lm/µm²(lumen per square micrometre) to aph(attophot)lm/µm²(lumen per square micrometre) to clx(centilux)lm/µm²(lumen per square micrometre) to cph(centiphot)lm/µm²(lumen per square micrometre) to dalx(decalux)lm/µm²(lumen per square micrometre) to daph(decaphot)lm/µm²(lumen per square micrometre) to dlx(decilux)lm/µm²(lumen per square micrometre) to dph(deciphot)lm/µm²(lumen per square micrometre) to Elx(exalux)lm/µm²(lumen per square micrometre) to Eph(exaphot)lm/µm²(lumen per square micrometre) to fc(foot-candle)lm/µm²(lumen per square micrometre) to flx(femtolux)lm/µm²(lumen per square micrometre) to fph(femtophot)lm/µm²(lumen per square micrometre) to Glx(gigalux)lm/µm²(lumen per square micrometre) to Gph(gigaphot)lm/µm²(lumen per square micrometre) to hlx(hectolux)lm/µm²(lumen per square micrometre) to hph(hectophot)lm/µm²(lumen per square micrometre) to klx(kilolux)lm/µm²(lumen per square micrometre) to kph(kilophot)lm/µm²(lumen per square micrometre) to lm/am²(lumen per square attometre)lm/µm²(lumen per square micrometre) to lm/cm²(lumen per square centimetre)lm/µm²(lumen per square micrometre) to lm/dam²(lumen per square decametre)lm/µm²(lumen per square micrometre) to lm/dm²(lumen per square decimetre)lm/µm²(lumen per square micrometre) to lm/Em²(lumen per square exametre)lm/µm²(lumen per square micrometre) to lm/fm²(lumen per square femtometre)lm/µm²(lumen per square micrometre) to lm/ft²(lumen per square foot)lm/µm²(lumen per square micrometre) to lm/Gm²(lumen per square gigametre)lm/µm²(lumen per square micrometre) to lm/hm²(lumen per square hectometre)lm/µm²(lumen per square micrometre) to lm/in²(lumen per square inch)lm/µm²(lumen per square micrometre) to lm/km²(lumen per square kilometre)lm/µm²(lumen per square micrometre) to lm/Mm²(lumen per square megametre)lm/µm²(lumen per square micrometre) to lm/mm²(lumen per square millimetre)lm/µm²(lumen per square micrometre) to lm/m²(lumen per square metre)lm/µm²(lumen per square micrometre) to lm/nm²(lumen per square nanometre)lm/µm²(lumen per square micrometre) to lm/Pm²(lumen per square petametre)lm/µm²(lumen per square micrometre) to lm/pm²(lumen per square picometre)lm/µm²(lumen per square micrometre) to lm/Tm²(lumen per square terametre)lm/µm²(lumen per square micrometre) to lm/ym²(lumen per square yoctometre)lm/µm²(lumen per square micrometre) to lm/Ym²(lumen per square yottametre)lm/µm²(lumen per square micrometre) to lm/zm²(lumen per square zeptometre)lm/µm²(lumen per square micrometre) to lm/Zm²(lumen per square zettametre)lm/µm²(lumen per square micrometre) to lx(lux)lm/µm²(lumen per square micrometre) to Mlx(megalux)lm/µm²(lumen per square micrometre) to mlx(millilux)lm/µm²(lumen per square micrometre) to Mph(megaphot)lm/µm²(lumen per square micrometre) to mph(milliphot)lm/µm²(lumen per square micrometre) to nlx(nanolux)lm/µm²(lumen per square micrometre) to nph(nanophot)lm/µm²(lumen per square micrometre) to nx(nox)lm/µm²(lumen per square micrometre) to ph(phot)lm/µm²(lumen per square micrometre) to Plx(petalux)lm/µm²(lumen per square micrometre) to plx(picolux)lm/µm²(lumen per square micrometre) to Pph(petaphot)lm/µm²(lumen per square micrometre) to pph(picophot)lm/µm²(lumen per square micrometre) to Tlx(teralux)lm/µm²(lumen per square micrometre) to Tph(teraphot)lm/µm²(lumen per square micrometre) to ylx(yoctolux)lm/µm²(lumen per square micrometre) to Ylx(yottalux)lm/µm²(lumen per square micrometre) to yph(yoctophot)lm/µm²(lumen per square micrometre) to Yph(yottaphot)lm/µm²(lumen per square micrometre) to zlx(zeptolux)lm/µm²(lumen per square micrometre) to Zlx(zettalux)lm/µm²(lumen per square micrometre) to zph(zeptophot)lm/µm²(lumen per square micrometre) to Zph(zettaphot)lm/µm²(lumen per square micrometre) to µlx(microlux)lm/µm²(lumen per square micrometre) to µph(microphot)