How Much Lumber for a 15×20 Deck?

The answer

330 board foot

For a 15×20 ft deck, with 10% overage included. Estimated cost: $1,320 at US national average pricing.

Calculate Lumber

Shape

Common projects

You need

—

board foot

Area: —
With 10% overage: —
Estimated cost (US avg): —

Shop Lumber at Home Depot

How we calculated this

1. Area: 15 × 20 = 300 sq ft
2. Convert + overage: Add 10% for waste → 330 board foot
3. Cost: 330 × $4.00 ≈ $1,320

Similar projects

Lumber for a 4×4 deck Lumber for a 4×6 deck Lumber for a 4×8 deck Lumber for a 5×5 deck Lumber for a 5×7 deck Lumber for a 5×10 deck Lumber for a 6×6 deck Lumber for a 6×8 deck Lumber for a 6×10 deck Lumber for a 6×12 deck Lumber for a 8×8 deck Lumber for a 8×10 deck