Inputs

Classroom area m2 Enter a numeric project value in m2 at or above 0.01. Desk-plane target illuminance lux Enter a numeric project value in lux at or above 0.01. Board width allowance m Enter a numeric project value in m at or above 0. Board target illuminance lux Enter a numeric project value in lux at or above 0. Luminaire lumens lm Enter a numeric project value in lm at or above 0.01. Luminaire input power W Enter a numeric project value in W at or above 0.01. Utilisation factor Enter a numeric project value between 0.01 and 1. Maintenance factor Enter a numeric project value between 0.01 and 1. Daylight control context recorded Tick when this condition applies or the record is available.

Desk-plane initial lumens -- lm

Desk-plane fixture count --

Board initial lumens allowance -- lm

Installed desk-plane power -- W

Calculation details

Desk-plane initial lumens: -- lm
Desk-plane fixture count: --
Board initial lumens allowance: -- lm
Installed desk-plane power: -- W
Estimated desk-plane illuminance: -- lux
Controls review required: --

Important notes

Classroom lighting needs glare, screen use, board visibility, daylight, emergency lighting, controls, and education-sector requirements reviewed separately.
This calculator is not an Australian compliance certificate.

Formulas

\(\displaystyle N = \left\lceil \frac{E_{\mathrm{desk}} \times A}{\Phi \times UF \times MF} \right\rceil\)
Board lighting is a separate linear allowance for planning discussion.

Estimate classroom desk-plane fixtures, board-lighting allowance, installed watts, and control review prompts.

Classroom Lighting Planner 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

Formulas

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