Instant Countertop Calculator

Estimate your granite, quartz, marble, or quartzite countertops in seconds. Get square footage and cost estimates instantly.

Calculate Your Countertops Now

463,277 countertop estimates completed!

How to Measure Your Countertops

Break your countertop area into separate rectangles. Measure the length and width of each rectangle — islands, peninsulas, and L-shaped sections included. Enter your measurements into the calculator above. Cutouts for sinks or cooktops do not affect square footage.

Why Accurate Measurements Matter

  • Estimate material needs and reduce waste.
  • Get realistic cost estimates for granite, quartz, marble, and quartzite.
  • Plan for overhangs and islands accurately.
  • Avoid unexpected costs during installation.

Frequently Asked Questions

How do I use the countertop calculator?

Measure your countertop in rectangles, enter lengths and widths into the calculator, and get an instant square footage and cost estimate.

Is this calculator free?

Yes — always free for homeowners and contractors alike.

Which materials are supported?

Granite, quartz, marble, and quartzite countertops are all supported.

(# 463,277) 1/20/2026 6:16:00 PM
NY, Granite Countertop Estimate
(# 463,276) 1/20/2026 3:28:00 PM
FL, FL Quartz 33503 Countertop Estimate
(# 463,275) 1/20/2026 3:24:00 PM
AZ, AZ Custom 85118 Countertop Estimate
(# 463,274) 1/20/2026 3:16:00 PM
NH, NH Marble 03230 Countertop Estimate
(# 463,273) 1/20/2026 3:00:00 PM
ON, Granite Countertop Estimate
(# 463,272) 1/20/2026 2:54:00 PM
FL, Quartz Countertop Estimate
(# 463,271) 1/20/2026 2:28:00 PM
NY, NY Custom 11010 Countertop Estimate
(# 463,270) 1/20/2026 2:27:00 PM
NY, Marble Countertop Estimate
(# 463,269) 1/20/2026 2:17:00 PM
FL, OR Granite 97374 Countertop Estimate
(# 463,268) 1/20/2026 2:10:00 PM
FL, MI Quartz 49707 Countertop Estimate
(# 463,267) 1/20/2026 1:56:00 PM
FL, FL Custom 33503 Countertop Estimate
(# 463,266) 1/20/2026 1:46:00 PM
OH, OH Marble 43136 Countertop Estimate

Trusted by Thousands of Homeowners

“This countertop calculator saved me time and money — highly recommend!” — F. Chiamero

“Accurate and easy to use. Helped us plan our kitchen perfectly.” — T. Jones

Related Tools & Guides

Kitchen Designer Tip: Choose the Material After the Layout Is Final

Most people pick granite, quartz, or marble first — designers do the opposite. Why it matters: Large islands, waterfalls, and L-shapes affect slab yield, seams, and cost Some materials hide seams well (quartz), others highlight them (marble, quartzite) Edge profiles and overhangs can change what materials are practical.