Calculate the optimal pole height for outdoor area lighting — or find the illuminance achieved at a known pole height and spacing. Covers car parks, roads, sports areas, pathways, and industrial yards. Includes height-to-spacing ratio check, foundation depth, wind loading note, and comparison table.
Measurement units
Metric
Metres, lux
Imperial
Feet, foot-candles
Calculation mode
Find pole height
Enter target lux and spacing
Find illuminance
Enter known height and spacing
Application
Fixture and spacing
Centre-to-centre distance between poles
Please fill in fixture lumens and spacing.
Recommended pole height
0 m
0
H:S ratio
0m
Foundation depth
0 lux
Achieved lux
0m
Beam coverage
Good height-to-spacing ratio
Side view — pole height, spacing, and beam coverage
Pole height comparison — same fixture and spacing
HeightH:S ratioFoundationLuxUniformity
Pole height selection guide
Application
Recommended height
Height-to-spacing ratio
Foundation depth
Achieved illuminance
Beam coverage at grade
Formula used
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