Inputs

Vertical lux readings

Add one row for each relevant space, item, zone, document, or measurement set.

Row 1

Vertical lux reading lux Enter a numeric project value in lux at or above 0.

Row 2

Vertical lux reading lux Enter a numeric project value in lux at or above 0.

Row 3

Vertical lux reading lux Enter a numeric project value in lux at or above 0.

Target vertical lux lux Enter a numeric project value in lux at or above 0.01. Plane orientation Choose the option that best matches the project condition.

Average vertical lux -- lux

Minimum vertical lux -- lux

Maximum vertical lux -- lux

Minimum/average ratio --

Plane orientation --

Calculation details

Average vertical lux: -- lux
Minimum vertical lux: -- lux
Maximum vertical lux: -- lux
Minimum/average ratio: --
Target met: --
Plane orientation: --

Important notes

Vertical illuminance targets and measurement planes must be selected for the project context.

Formula

\(\displaystyle E_v = \sum E_i / n\)

Summarise vertical illuminance readings against an entered vertical lux target.

Vertical Illuminance Calculator is a planning aid. Keep the target source, product data, measurement method, and project assumptions with the result. Confirm compliance, installation, certification, and safety decisions with the responsible professional.

Inputs

Results

Formula

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