1 ton 10mm aggregate to cubic meter: Formula to convert 1 tonne (ton) of 10mm aggregate (stone) to m3 (Cubic meter), Aggregate Volume to m3 = Tonnes of Aggregate × 0.60 m3. 1m3 of 10mm aggregate weighs approximately 1,680kg and 1 tonne aggregate = 1,000kg. 1 tonne 10mm aggregate to cubic meter = 1,000/1,680 = 0.60m3.