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Luminous Energy




Other Name


Metric (SI) Equivalent

1 lumen second

This equivalent and the one below are exact.

Another Metric (SI) Equivalent with More Basic Units

1 candela steradian second

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

Metric (SI) Dimensions

time × 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.