Antenna Load Calculator for Construction

Plan mounts and supports using load outputs. Enter wind speed, exposure, and antenna size fast. Compare scenarios, then download reports for safer builds everywhere.

White theme Responsive form CSV + PDF exports
Project information
These fields appear in downloads.
Wind and site parameters
SI units are used throughout.
Use the speed required by your governing standard.
Used to estimate Kz (simplified).
Used for Kz and overturning moment.
Set per risk category or client criteria.
Antenna geometry and weight
Projected area is computed from selection.
Use < 1.0 for perforated or mesh antennas.
Aerodynamic and design factors
Adjust to match your standard or vendor data.
Typical: panel ~1.6–2.0, dish ~1.1–1.4.
Use 1.0 for service; higher for strength checks.
Optional ice load
Approximate mass from projected area and thickness.
Wind-on-ice effects vary by code; verify separately.

Example data table

Scenario Type Dimensions V (m/s) Exposure z (m) Cf Qty Total wind (kN) Moment (kN·m)
Baseline Panel 0.6 × 1.8 m 40 C 20 1.70 1 ≈ 1.06 ≈ 21.2
Two antennas Dish Ø 1.2 m 45 C 30 1.25 2 ≈ 2.34 ≈ 70.2
Custom area Custom A = 1.5 m² 38 B 15 1.60 3 ≈ 2.10 ≈ 31.5
Example outputs are indicative and depend on your coefficients and factors.

Formula used

  • Velocity pressure (SI): qz = 0.613 × Kz × Kzt × Kd × V²
  • Antenna pressure: p = qz × G × Cf × I
  • Wind force: F = p × A (then multiplied by quantity)
  • Overturning moment: M = F × z (single-level simplification)
  • Dead load: W = mass × g
  • Ice mass (approx): m_ice ≈ A × thickness × density
Kz is estimated from height and exposure using a simplified curve. Replace Kz, G, Cf, and factors with your project standard or vendor-provided data for final design.

How to use this calculator

  1. Enter project info so downloads stay traceable.
  2. Set wind speed, exposure, and antenna height above base.
  3. Select antenna type and provide dimensions or a custom area.
  4. Adjust solidity and coefficient values to match your antenna.
  5. Enable ice only if your project requires ice checks.
  6. Press Submit to see results above the form.
  7. Use CSV or PDF downloads for documentation and reviews.
Built for quick checks. Always verify with a qualified engineer.

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Important Note: All the Calculators listed in this site are for educational purpose only and we do not guarentee the accuracy of results. Please do consult with other sources as well.