Enter the area dimensions, depth, and gravel type to instantly calculate the required volume, weight, and number of bags. Pure front-end processing — no data uploaded to any server.
Driveways typically need 15-20cm, walkways and patios 5-10cm, and drainage layers 10-15cm. This tool supports custom depth for any project requirement.
Yes. Common gravel densities range from 1.4-1.8 t/m³. Decomposed granite is denser (~1.68), while pea gravel is lighter (~1.5). Selecting the correct type improves accuracy.
No. This tool calculates the theoretical amount. We recommend adding 5%-10% extra for compaction, waste, and uneven spreading during actual construction.
Absolutely. This tool runs entirely in your browser. All calculations are performed locally — no data is uploaded to any server.