5×5 Lux Measurement Grid Planner
Generate a 5x5 lux measurement grid for larger rectangular spaces with an explicit boundary offset.
Calculator library
Latest calculators
3×3 Lux Measurement Grid Planner
Generate a simple 3x3 lux measurement grid for a small rectangular room with an explicit boundary offset.
Custom Lux Measurement Grid Planner
Estimate columns, rows, usable points, and adjusted spacing for a custom rectangular lux measurement grid.
Commissioning Min/Average Uniformity Record
Record minimum-to-average uniformity with the measurement grid, plane, scope, and an editable project target.
Missing Lux Reading and Data Completeness Checker
Check expected versus submitted measurement points and flag missing, duplicate, or unit-quality issues.
Maintained Illuminance Gap Calculator
Compare measured average illuminance with a maintained target and record the direction and size of the gap.
Lumen Depreciation and Maintenance Calculator
Estimate maintained lumens and a transparent planning curve from product retention assumptions and operating hours.
Measured Lux vs Planning Target Checker
Compare a measured illuminance value with a maintained or initial planning target and tolerance band.
Average Minimum Maximum Lux Record
Summarise measured illuminance with average, minimum, maximum, range, and an evidence-quality flag.
Workplace Lighting Planning Pre-check
Check whether a workplace lighting planning record includes task planes, maintained illuminance assumptions, and glare data.