Deck Stain Calculator — Estimate Stain Amount & Cost for Your Deck

Deck Stain Calculator

Calculate how much deck stain you need and compare costs between different stain types and brands. Estimate your deck staining project cost in minutes.

Step 1: Deck Dimensions

Measuring Your Deck

Measure the length and width of your deck in feet or meters. For irregular decks, break it into rectangles and add them together. Don’t forget to account for railings and stairs.

Step 2: Stain Details

sq ft/gal

About Stain Coverage

Coverage varies by stain type and wood porosity. Transparent stains cover more area than solid colors. Rough or porous wood requires more stain than smooth, sealed surfaces.

Deck Staining Cost Results

Summary
Brand Comparison
Cost Breakdown

Estimated Total Stain Cost

$168.00
Stain Required: 4.8 gallons
Stain Required
4.8 gallons
Coverage Area
240 sq ft
Cost Per Sq Ft
$0.70/sq ft
Project Complexity
Medium

Stain Brand Comparison

Brand Coverage Price/Gallon Gallons Needed Total Cost

Stain Cost Breakdown

Deck Stain Calculation Formula

Gallons Needed = (Length × Width) ÷ Coverage per Gallon

The amount of stain needed is calculated by dividing your deck’s total square footage by the stain’s coverage rate. Always add 10-20% extra for waste, especially on porous wood or complex decks.

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