Carpet Calculator

Calculate carpet dimensions, material requirements, and home improvement plans with ease.

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Home & Garden Inputs

Enter room or garden dimensions below.

Length / Area (ft / sq ft)

Width / Depth (ft / in)

1.0 Gallons

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One gallon of standard interior wall paint covers approximately 350 to 400 square feet of smooth wall surface per coat.

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Paint Gallons = (Wall Surface Area / 350) × Number of Coats

Applies standard home improvement manufacturing coverage specifications and landscaping density tables.

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Unpainted porous drywall or rough textured surfaces require up to 20% more paint or soil settling allowance.

Follow these simple steps for accurate DIY home purchasing:

Measure room height/length or garden bed dimensions using a tape measure.

Subtract opening areas (approx. 20 sq ft per door, 15 sq ft per window).

Instantly view calculated paint gallons, mulch bags, or paver quantities required.

Calculating exact paint and landscaping supplies saves money and prevents extra trips to the hardware store.

Input

Total wall area or mulch layer depth.

Output

Total purchasing units required.

How many coats of paint are usually needed for walls?

Two coats of quality latex paint over primer are recommended for even color coverage and durability.

How deep should garden mulch be applied?

Apply a 2 to 3-inch layer of organic wood mulch around trees and garden beds to suppress weeds and retain soil moisture.