Street Light Calculator: Pole Height, Spacing & Quantity Estimator

Professional engineering tool for municipal planners and infrastructure developers to optimize solar lighting projects.

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Project Parameters

TOTAL ROAD LENGTH (m)

ROAD WIDTH (m)

INSTALLATION SIDE

SPACING FACTOR (DENSITY) 2.5x

2.5x (Denser) 3.0x (Wider)

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Calculation Results

POLE HEIGHT

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height

RECOMMENDED WATTAGE

—

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POLE SPACING

—

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TOTAL UNITS REQUIRED

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Enter values and calculate

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Standard Configurations

Recommended baseline specifications for typical road dimensions.

ROAD WIDTH (W)	POLE HEIGHT (H)	POLE SPACING (S)	LED WATTAGE	MOUNTING TYPE
6m - 8m	6.0m	18m - 24m	30W - 40W	Single Side
8m - 12m	8.0m	24m - 32m	60W - 80W	Single Side
12m - 16m	10.0m	30m - 40m	100W - 120W	Both Sides (Staggered)
16m+	12.0m	36m - 48m	150W - 200W	Both Sides (Opposite)

Who Is This For?

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Municipal

City planning & street networks

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Highways

Civil infrastructure & intercity

factory

Industrial

Factory parks & logistics hubs

agriculture

Rural

Village lighting & off-grid paths

Engineering Formulas Explained

Core Calculation Rule:

Height (H) ≈ Road Width (W)

Spacing (S) ≈ 3.0 × Height (H)

info The Spacing Factor (k) typically ranges from 2.5 to 3.5 depending on required lux levels and luminaire distribution.

info Installation on both sides requires a "Staggered" or "Opposite" factor to ensure uniform road illumination.

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