### How many tonnes of Type 1 Aggregate and .

05/10/2007· I'm assuming that by "tonne" you're referrring to the metric ton (i.e., 1,000 kg). Density of loose, dry gravel = 1,520 kg/m^3 So, you would actually have 1.52 tonnes per cubic meter, or 0.658 cubic meters per tonne.