Free Deck Calculator | Columbia Outdoor

Free Deck Calculator

Instant deck cost estimates

Optional — your discount shows on the estimate.

How It Works

1. Enter Dimensions

Depth, width, height, and materials. Takes about 60 seconds.

2. Get Instant Estimate

See a full itemized cost breakdown — deck, rails, stairs, permits, and more.

3. Save or Share

Save your estimate, email it to yourself, or share it with a contractor.

Free account: 30-day trial, no credit card

  • Material List Generator — every board, screw, and bag of concrete
  • Construction Plans — footing, framing, decking, and elevations
  • 3D Visualization — see your deck, stairs, and rails
  • Save and email your estimates