Characteristic

phot

Notes

Symbol

ph

Metric (SI) Equivalent

10000 luxes

This equivalent and the others below are exact.

Other Metric (SI) Equivalents with More Basic Units

10000 lumens / meter2

10000 steradian candelas / meter2

Even though the steradian is a dimensionless derived unit and could be dropped, it is shown in this equivalent for clarity

Metric (SI) Dimensions

length-2 × luminous-intensity × solid-angle

Even though solid-angle is not an official metric (SI) dimension and could be dropped, it is shown in the dimensions for clarity.

Quantity

Illuminance