Lightning Risk Calculator | NFC 17-102

A. Project / Facility Info

Facility Name

Address

1. Building Dimensions (metres)

Length — L (m)

Width — W (m)

Height — H (m)

2. Risk Coefficients

Lightning Density / Risk Level — Ng (strikes/km²/year)

Location — C1

Structure — C2

Building Sensitivity — C3

Occupancy — C4

3. ESE Lightning Rod Parameters

Early Streaming Time Value — ΔT (µs)

Mast Height — h (m)

⚡

Enter your building dimensions and risk
coefficients on the left, then click
Calculate to see the full NFC 17-102 analysis.