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Lumen Method · IS 3646 · NBC India

Industrial Lux Level Calculator

Calculate compliant illumination for factories, warehouses & industrial spaces — instantly. Based on IS 3646, Factories Act 1948, and NBC India requirements.

IS 3646 Factories Act 1948 NBC India Lumen Method
Room Parameters
Enter dimensions and room type

01 — Space Type

02 — Dimensions

03 — Surface Reflectance

50%
30%
20%

04 — Fixture Selection

Fill in your room details on the left and click Calculate to get your complete lighting specification.

IS Code Reference — Recommended Illuminance IS 3646 / NBC
Space Type Min Lux (IS) Recommended Code Ref

Results are based on the Lumen Method (CIE / BIS IS 3646) and are indicative estimates for planning purposes only. Actual lighting design must be verified by a qualified lighting engineer. Lux requirements as per IS 3646, NBC 2016, and Factories Act 1948 Schedule XIV.