How much does granite weigh per cubic foot?

Granite weighs 165-175 lb/ft³ (2,640-2,800 kg/m³). A 3cm granite countertop weighs about 18-20 lb/ft².

Is marble heavier than granite?

They are similar. Marble averages 169 lb/ft³ while granite averages 168 lb/ft³. The difference is negligible for most applications.

Multiply length × width × thickness to get volume, then multiply by density. Our calculator does this automatically.

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Granite, marble, limestone & more

11 Materials

144-187 lbs/ft³

Volume-based (ft³)

10 materials found

Calculate the weight of granite slabs and countertops by dimensions and thickness.

Density: 168 lb/ft³ (2,691 kg/m³)

Estimate marble slab and tile weight for flooring, walls, and countertops.

Density: 169 lb/ft³ (2,711 kg/m³)

General-purpose calculator for any natural stone slab or block.

Density: Varies by stone type

Complete guide to granite slab weights by thickness, including standard 2cm and 3cm options.

Reference tables for marble tile and slab weights used in residential and commercial projects.

Compare the weight of manufactured stone veneer against full-thickness natural stone.