### Aggregate Calculator gravel stone chippings path driveway

Aggregate Calculator . How much do I need? The amount of aggregate you require is governed by the area you wish to cover, to what depth and the type of material you wish to use. Cloburn single size chippings. Uncompacted Cloburn aggregates weigh tonnes per cubic metre. Therefore if you wish to apply them at a 50mm depth (the normal depth ...