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When I was planning my first kitchen renovation, one question caught me off guard: How much does a quartz countertop weigh, and does it matter? If you’re anything like me, you might focus on the looks and forget the logistics. But trust me, understanding the weight of quartz countertops is one of the most practical—and important—steps in your renovation process.

Quartz countertops are dense, durable, and stunningly beautiful, but their weight isn’t something to ignore. Let’s break it down together so you can make the right choice without the headaches I had to deal with!

You might be wondering: “Does weight really matter for a countertop?” Oh, it does—and in ways you might not expect. Here’s why:

Imagine installing a gorgeous quartz slab only to have your cabinets sag over time because they weren’t strong enough. It happens more often than you think. Most standard cabinets can handle quartz, but if your design includes overhangs or unsupported areas, you’ll need reinforcements.

I’ve seen friends try to save money by installing countertops themselves, only to regret it later. Quartz slabs are heavy, and moving them without proper tools or expertise can be dangerous. For a typical 3 cm thick slab, we’re talking about 30-40 pounds per square foot—not something you want slipping out of your hands!