Detailed Quote Calculator

We’ll compute panel counts based on roof geometry and automatically add clamps/fasteners.

Available length = L − 3 ft; available width = W − 4 ft; columns from truss spacing (24" → 2.0 ft, 16" → 1.333 ft)

Truss spacing Allow half panels?

Roof length L (ft) Roof width W (ft)

Panel length (ft) Notes/rounding suggestions

Whole panel DC watts Whole panel price ($)

Half panel DC watts Half panel price ($)

Clamp price ($ each) Fastener price ($ each)

Inverter ($/W) AC electrical Work ($/W)

Labor & Overhead ($/W) Permits ($)

Sales tax (%) on equipment Company margin (%)

Federal ITC (%) Other rebates ($)

Project Calculation