Marble Countertop Square Foot Calculator

Easily estimate the square footage of your marble countertops — including islands, L-shaped layouts, and overhangs. Use this free calculator to get an instant estimate before requesting a quote.

How to Use the Marble Calculator

  1. Measure the length and width of all marble countertop sections.
  2. Include islands, peninsulas, and L-shaped corners.
  3. Enter your measurements into the calculator above.
  4. Your total marble square footage will appear instantly.

Tip: Marble slab yield and veining are accounted for automatically.

Why Accurate Marble Square Footage Matters

  • Estimate material needs and reduce waste.
  • Get a realistic cost estimate before contacting a fabricator.
  • Plan for seams, overhangs, and island pieces.
  • Avoid unexpected extra costs during installation.

Marble-Specific Guidance

  • Marble is a natural stone with delicate veining; accurate measurement ensures correct slab yield.
  • Edge profiles and sink cutouts may slightly increase material needed.
  • Complex layouts may require multiple slabs; the calculator accounts for this automatically.

Frequently Asked Questions

How accurate is the marble countertop calculator?

It provides a reliable square footage estimate, though final material use may vary depending on edges, seams, and layout complexity.

Do I need professional measurements for marble?

Basic measurements are sufficient for estimates. Fabricators may verify dimensions before fabrication.

Does this calculator account for overhangs and islands?

Yes — all islands, peninsulas, L-shaped layouts, and overhangs are included in the estimate.

Is this tool free?

Yes — always free for homeowners and contractors alike.

Trusted by Thousands of Homeowners

“This marble calculator made planning our countertops easy and accurate.” — F. Chiamero

“Saved time and money before contacting a local fabricator.” — T. Jones

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