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Convert brass to cubic feet, cubic metres, tonnes and truckloads for sand, aggregate and other loose construction material.
A brass is 100 cubic feet of loose construction material, so this converter multiplies or divides by 100 to move between brass and cft, then applies the exact foot definition (1 ft = 0.3048 m, so 1 cft = 0.028316846592 m3) to reach cubic metres. Weight comes from the loose bulk density you pick — river sand near 1,600 kg/m3, 20 mm aggregate near 1,500 kg/m3 — which makes one brass of sand roughly 4.53 tonnes. It is built for site engineers, contractors and homeowners checking a sand or aggregate invoice.
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Uses the defined 0.3048 m foot, so cft to m3 is precise rather than rounded to 0.0283.
Loose bulk densities for sand, M-sand, stone dust and 10/20/40 mm aggregate, each editable.
Converts the volume into trips for tractor trolleys and 2 to 6 brass tippers.
One brass is 100 cubic feet. It is a volume unit used across Maharashtra, Gujarat and neighbouring states for loose material, and it equals 2.8317 cubic metres.
About 4.5 tonnes. One brass is 2.8317 m3, and dry loose river sand has a bulk density near 1,600 kg/m3, giving 4,531 kg. M-sand at about 1,750 kg/m3 works out closer to 4.96 tonnes per brass.
Both, and the context decides. For sand, aggregate and excavation it means 100 cubic feet of volume; for plastering, tiling and shuttering it means 100 square feet of area. This converter handles the volume meaning.
Moisture makes sand bulk. Water films push the grains apart, so damp sand can occupy 15-25% more volume than the same weight of dry sand, peaking around 5-8% moisture content. Measure the truck body dimensions and agree the billing basis — volume or weighbridge weight — before delivery.
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