Deck Materials Calculator Lowes

Lowe’s Deck Materials Calculator




Deck materials calculator Lowe’s is an essential tool for homeowners and contractors planning to build or renovate a deck. It helps you determine the exact amount of materials needed, saving you time and money.

  1. Enter the length and width of your deck in feet.
  2. Select the material you plan to use.
  3. Click ‘Calculate’ to see your results.

The calculator uses the following formula to calculate the amount of materials needed:

Materials Needed = Length * Width * 1.5 (for 6" spacing)

Deck Size (ft²) Material Materials Needed (ft²)
150 Cedar 225
200 Pressure Treated 300
120 Composite 180
Material Cost per ft² ($) Total Cost (est.)
Cedar 3.50 $787.50
Pressure Treated 2.50 $525.00
Composite 5.00 $900.00
  • Always round up to the nearest whole number when calculating materials needed.
  • Consider the cost of additional materials like screws, joists, and railings.
  • Check local building codes and regulations before starting your project.
What if my deck is not square?

Measure the longest and widest points of your deck to ensure accurate calculations.

Can I use this calculator for a multi-level deck?

Yes, but you’ll need to calculate each level separately.

Deck materials calculator Lowe's in action Deck materials calculator Lowe's results

CDC’s guide to deck safety

Purdue University’s deck construction guide

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