Countertop Calculator

Calculate the area and cost estimate for kitchen or bathroom countertops.

ft
in
%

How to Use This Calculator

<h4>How to Use</h4><ol><li>Enter the number of countertop sections (1 for straight, 2 for L-shape).</li><li>Enter each section’s length and depth (front to back).</li><li>Select the material to see cost ranges.</li><li>Adjust waste percentage as needed.</li></ol><h4>Tips</h4><ul><li>Standard countertop depth is 25.5 inches (650 mm).</li><li>Add 1–2 inches for overhang on all exposed edges.</li><li>Costs shown are approximate installed prices – actual costs vary by region and complexity.</li></ul>

Common Questions

What is the standard countertop depth?

Standard kitchen countertop depth is 25–25.5 inches (635–650 mm) from the wall to the front edge. Islands may be deeper.

How much countertop material should I order?

Order at least 10% extra for waste, seams, and cutouts for sinks and hobs. Complex layouts may need up to 20% extra.

Which countertop material is most durable?

Quartz (engineered stone) is one of the most durable and low-maintenance options. Granite is also very durable but requires periodic sealing.

Related Calculators