Instant Countertop Calculator

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.

How to measure

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