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Characteristic

lumen

Notes

Symbol

lm

Metric (SI) Equivalent

lumen is a metric unit (in fact, it is a derived SI unit)

Another Metric (SI) Equivalent with More Basic Units

1 candela steradian

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

Metric (SI) Dimensions

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

Luminous Flux