Decking & Outdoor

Deck Cost Calculator

Estimate deck cost from size, dimensions and layout – including decking boards, framing lumber, posts, railings, stairs, footings, labor and extras with this deck cost calculator.

Area-Based Deck Pricing Boards, Joists & Framing Multi-Section Deck Cost Planning

Deck Cost, Materials & Layout Estimator

Calculation Mode

Length Units Main field = feet or metres, extra field = inches or centimetres.

Deck Area Use total deck area from plans, a take-off or the other modes.

Material Cost per ft² ($) Include decking, framing, hardware and typical materials in this rate.

Labor Cost per ft² ($) Set higher for complex designs, low access or premium workmanship.

Waste & Complexity Factor (%) Accounts for offcuts, design complexity and on-site adjustments.

Extra Allowances ($) Permits, design fees, disposal, small tools or contingencies.

Deck Length

Length in the direction the deck boards will run.

Deck Width

Width perpendicular to the board direction.

Decking Board Width Board face width in inches (e.g. 5.5 in for typical 2×6/composite).

Board Gap Between Decking Decking gap in inches; affects how many boards fit across the width.

Decking Cost per Linear Foot ($) Cost per linear foot for the chosen decking material.

Joist Spacing Typical joist spacing is 16 in or 12 in on center.

Joist Cost per Linear Foot ($)

Fasteners & Hardware per ft² ($)

Labor Cost per ft² ($)

Waste & Complexity Factor (%)

Extra Allowances ($)

Deck Length

Deck Width

Decking Board Width (in)

Board Gap (in)

Decking Cost per Linear Foot ($)

Joist Spacing (in)

Joist Cost per Linear Foot ($)

Beam Spacing (ft) Spacing of beams that support the joists.

Beam Cost per Linear Foot ($)

Post Spacing Along Beams (ft)

Post Cost per Post ($)

Footing / Pier Cost per Footing ($)

Railing Length

Railing Cost per Foot ($)

Number of Stair Runs

Cost per Stair Run ($)

Labor Cost per ft² ($)

Waste & Complexity Factor (%)

Extra Allowances ($)

Number of Deck Sections Sections with zero dimensions are ignored. Up to 6 sections are available.

Section 1 Length

Section 1 Width

Section 1 All-In Cost per ft² ($) Include materials and labor for this section.

Section 1 Railing Length (optional)

Section 2 Length

Section 2 Width

Section 2 All-In Cost per ft² ($) Include materials and labor for this section.

Section 2 Railing Length (optional)

Section 3 Length

Section 3 Width

Section 3 All-In Cost per ft² ($) Include materials and labor for this section.

Section 3 Railing Length (optional)

Section 4 Length

Section 4 Width

Section 4 All-In Cost per ft² ($) Include materials and labor for this section.

Section 4 Railing Length (optional)

Section 5 Length

Section 5 Width

Section 5 All-In Cost per ft² ($) Include materials and labor for this section.

Section 5 Railing Length (optional)

Section 6 Length

Section 6 Width

Section 6 All-In Cost per ft² ($) Include materials and labor for this section.

Section 6 Railing Length (optional)

Railing Cost per Foot ($)

Global Waste & Contingency Factor (%)

Project-Wide Extra Allowances ($)

Deck Cost Calculator

Deck Cost, Materials & Layout Estimator

Deck Area & Layout

Materials & Quantities

Cost Breakdown

Planning Notes & Assumptions