Deck Cost Calculator

Calculate deck cost from area, material per sq ft and labor — see total cost with railing and stairs.

Deck Cost Calculator

Calculate deck cost from area, material per sq ft and labor — see total cost with railing and stairs.

Deck area (sq ft)

Material per sq ft($)

Labor per sq ft($)

Extras (railing, stairs)($)

Enter values above and click Calculate — results will appear here with the formula explained.

Total = area*(material+labor) + extras

How does this work?

Deck cost is area times material plus labor per sq ft, plus railing and stairs. Wood $10-20, composite $20-35, labor $8-15 per sq ft.

Railing adds $20-40 per linear foot, stairs $300-800. Add permit $200-500 not included.

For YMYL, composite costs more but lasts 25y vs wood 10-15y with maintenance.

AdSense ready — add NEXT_PUBLIC_GOOGLE_ADSENSE_PUBLISHER_ID

728×90 — AdSense

What is Deck Cost?

Deck cost is area times material plus labor per sq ft, plus railing and stairs. Wood $10-20, composite $20-35, labor $8-15 per sq ft. Formula: Total = area*(material+labor) + extras

Quick Answer

Deck Cost Calculator: Calculate deck cost from area, material per sq ft and labor — see total cost with railing and stairs. Formula: Total = area*(material+labor) + extras. Example: With 300 sq ft, $15 material, $10 labor, $1,500 extras: cost 300*25=$7,500 + $1,500 = $9,000.

What it does: Calculate deck cost from area, material per sq ft and labor — see total cost with railing and stairs.
Formula: Total = area*(material+labor) + extras
Inputs: Deck area (sq ft) · Material per sq ft ($) · Labor per sq ft ($) · Extras (railing, stairs) ($)
Example: With 300 sq ft, $15 material, $10 labor, $1,500 extras: cost 300*25=$7,500 + $1,500 = $9,000.

Calculator Inputs at a Glance

Field	What to enter
Deck area (sq ft)	e.g. 300
Material per sq ft ($)	e.g. 15
Labor per sq ft ($)	e.g. 10
Extras (railing, stairs) ($)	e.g. 1500

All fields use the exact formulas shown below — results include step-by-step breakdowns you can verify by hand.

How to Use This Calculator

1Enter deck area, material price per sq ft, labor per sq ft and extras.
2Calculate to see total cost.
3Compare wood $15+10 vs composite $30+10 for 300 sq ft.

Formula Used

Total = area*(material+labor) + extras

Deck cost is area times material plus labor per sq ft, plus railing and stairs. Wood $10-20, composite $20-35, labor $8-15 per sq ft.

Railing adds $20-40 per linear foot, stairs $300-800. Add permit $200-500 not included.

For YMYL, composite costs more but lasts 25y vs wood 10-15y with maintenance.

AdSense ready — add NEXT_PUBLIC_GOOGLE_ADSENSE_PUBLISHER_ID

728×90 — AdSense

Worked Example

With 300 sq ft, $15 material, $10 labor, $1,500 extras: cost 300*25=$7,500 + $1,500 = $9,000.

AdSense ready — add NEXT_PUBLIC_GOOGLE_ADSENSE_PUBLISHER_ID

728×90 — AdSense

Related Calculators

Flooring Cost Calculator

Calculate flooring cost from area, material price and labor — see material, labor and total cost with waste.

Fence Cost Calculator

Calculate fence cost from length, height, material price per foot and labor — see total cost with gates.

Area Converter

Convert square meters, feet, acres, hectares and more.

Home Equity Calculator

Calculate home equity from value and mortgage balance — see equity dollars, percent and LTV.

Frequently Asked Questions

QWood vs composite?

Wood cheaper upfront, composite lower maintenance. Wood needs stain yearly.

QLabor?

$8-15 per sq ft, stairs/railing extra. Get 2 quotes.

QPermit?

Most need permit $200-500 for structural. Check local code.

Quick Answer

What it does: Calculate deck cost from area, material per sq ft and labor — see total cost with railing and stairs.

Formula: Total = area*(material+labor) + extras

Inputs: Deck area (sq ft) · Material per sq ft ($) · Labor per sq ft ($) · Extras (railing, stairs) ($)

Example: With 300 sq ft, $15 material, $10 labor, $1,500 extras: cost 300*25=$7,500 + $1,500 = $9,000.

Field

What to enter

Deck area (sq ft)

e.g. 300

Material per sq ft ($)

e.g. 15

Labor per sq ft ($)

e.g. 10

Extras (railing, stairs) ($)

e.g. 1500

Formula Used

Total = area*(material+labor) + extras

Deck cost is area times material plus labor per sq ft, plus railing and stairs. Wood $10-20, composite $20-35, labor $8-15 per sq ft.

Railing adds $20-40 per linear foot, stairs $300-800. Add permit $200-500 not included.

For YMYL, composite costs more but lasts 25y vs wood 10-15y with maintenance.