Live Demo — Steel Pole Weight Calculator
Enter your pole geometry, flange and accessories to get the pole body, flange and galvanized total weight instantly.
Steel Pole Weight Calculator
Free professional steel pole weight calculator for solar street lighting poles. Input the pole type (tapered or cylindrical), total length, top/bottom diameters, wall thickness, flange dimensions, accessories weight and galvanizing factor to compute the pole body weight, flange plate weight and total shipped weight using a steel density of 7850 kg/m³.
Key Features
Pole Parameters
Set the pole type (tapered / cylindrical), total length, top/bottom diameters and wall thickness to describe the pole body.
Flange & Accessories
Enter the flange plate diameter, thickness and quantity plus the weight of accessories (door plate, brackets, junction box, crossarm).
Galvanizing
Apply the hot-dip galvanizing weight increase factor (typical 3-6%) per ISO 1461 to estimate the final shipped weight.
Body Weight
Computes W_body = π × L × t × (D_avg - t) × ρ using the average diameter (D_top + D_bottom) / 2 for the tapered body.
Flange Weight
Computes the flange as a ring plate W_flange = π/4 × (D_flange² - D_bottom²) × t_flange × ρ, subtracting the pole-through hole.
Total & Reference
Sums body + flange + accessories and shows a reference table of common pole weights for 20-39 ft poles with 0.16 in walls.
Technical Specifications
| Platform | HTML5 Web App | Android (via WebView) |
| Core Calculation | W_body = π × L × t × (D_avg - t) × ρ; W_flange = π/4 × (D_flange² - D_bottom²) × t_flange × ρ |
| Pole Length | ≥ 3.3 ft (default 26.25 ft) |
| Diameters | Top ≥ 1.2 in, bottom ≥ 2 in; wall thickness ≥ 0.08 in |
| Steel Density | 7850 kg/m³ ≈ 0.2836 lb/in³ (Q235 / Q355) |
| Flange | Diameter ≥ 3.9 in, thickness ≥ 0.2 in, quantity ≥ 0 |
| Galvanizing | 0 - 15% factor (typical 3-6%, ISO 1461) |
| Accessories | Door plate, brackets, junction box etc. (lb) |
| Industry Standards | EN 40-5, EN 10025-2, ASTM A1011, ISO 1461 |
| Output | Pole body + flange + total weight (lb), galvanized total |
Frequently Asked Questions
Why is the average diameter used for tapered poles?
A tapered pole is treated as an equivalent cylinder with D_avg = (D_top + D_bottom) / 2 in W_body = π × L × t × (D_avg - t) × ρ. This closely matches the exact conical frustum volume for the small tapers used on street-light poles.
How is the flange weight calculated?
The base flange is modeled as a ring plate: W_flange = π/4 × (D_flange² - D_bottom²) × t_flange × ρ, that is, the disc area minus the hole where the pole passes through, multiplied by the plate thickness and steel density.
What does the galvanizing factor do?
Hot-dip galvanizing deposits roughly 3-6% additional zinc weight on the steel surface (per ISO 1461). The factor, defaulting to 4%, multiplies the steel total to give the final shipped weight used for transport and costing.
What is the pole weight used for?
The pole weight is the pole self-weight G_pole input for the foundation overturning verification in the concrete foundation calculator (app b1), and it directly drives transport and lifting costs since steel is priced per tonne (approx. +$420-700/tonne including galvanizing).
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