Sub Base Calculator

Work out how much road base, crusher run or class 5 aggregate you need for a driveway, patio or paver base — with compaction built in.

ft
ft
in
Driveway: 4–6 in. Paver base: 4 in. Patio: 3–4 in.
Density in tons per cubic yard.
$

🛡 Compaction factor

Loose aggregate settles ~10–20% when compacted.

🚚 Truck loads

See how many dump truck loads to order.

💰 Cost estimate

Price per ton gives your total material cost.

🔒 Private

All calculations run locally in your browser.

Pave it right

More tools for driveways, patios and hardscapes.

Paving → Tarmac Concrete

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