Inputs
Results
Columns
--
Rows
--
Measurement points
--
X spacing
--
m
First point x,y
--
Centre point x,y
--
Last point x,y
--
Measurement plane
--
Measurement scope
--
Record note
--
Calculation details
- Columns
- --
- Rows
- --
- Measurement points
- --
- X spacing
- -- m
- Y spacing
- -- m
- First point x,y
- --
- Centre point x,y
- --
- Last point x,y
- --
- Measurement plane
- --
- Measurement scope
- --
- Record note
- --
Important notes
- Confirm whether the selected project scope needs a different grid density, plane, or measurement method.
- This tool creates a coordinate worksheet only and does not declare compliance.
Formulas
- \(\displaystyle S_x = \frac{L - 2O}{4},\quad S_y = \frac{W - 2O}{4}\)
- A 5x5 grid is a measurement aid for repeatable records, not an automatic standards method.
Generate a 5×5 lux measurement grid for larger rectangular spaces with an explicit boundary offset.
5×5 Lux Measurement Grid 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.
FAQs
When should I use a larger grid?
Use a denser or project-specific grid when the room, task area, or evidence requirement needs more measurement points than a small-room check.