Uniformity

Minimum-to-Maximum Uniformity Calculator

Calculate the minimum-to-maximum illuminance ratio from measured readings.

Inputs

Lux readings

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

Row 1
Row 2
Row 3

Results

Minimum illuminance -- lux
Maximum illuminance -- lux
Minimum-to-maximum ratio --
Minimum-to-maximum uniformity -- %
Warning --
Calculation details
Minimum illuminance
-- lux
Maximum illuminance
-- lux
Minimum-to-maximum ratio
--
Minimum-to-maximum uniformity
-- %
Usable reading count
--
Warning
--
Important notes
  • State how missing values and zero readings were handled before comparing results.
  • Measurement metadata and the applicable project metric require review; this calculator does not certify compliance.

Formulas

  • \(\displaystyle U_{0,\max} = \frac{E_{\min}}{E_{\max}}\)
  • This ratio must not be substituted for the project-required uniformity definition.

Calculate the minimum-to-maximum illuminance ratio from measured readings.

Minimum-to-Maximum Uniformity 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.