Brass calculator in feet: cft, brass and m³
Sand, grit, aggregate and stone in much of India are sold by the brass, a trade unit of 100 cubic feet. This brass calculator measures a load the way suppliers do — length × width × height of the truck body or trolley — and gives the volume in cubic feet (cft), brass, cubic metres (cum) and cubic yards, with the weight at a typical density and the cost if you enter a price per brass, cft, m³ or tonne.
Each dimension has its own unit, so the same page works as a cft calculator for wood: enter a plank’s length in feet and its width and thickness in inches, add the number of pieces, and read the total cft. A second mode converts any volume between brass, cft, m³, cubic yards and litres. Everything runs in your browser.
How to use the Brass Calculator
- Choose Length × width × height to measure a load or stack, or Convert a volume if you already have cft, brass or m³.
- Type the inside length, width and height (the level of the material, not the side of the body), picking ft, in, m, cm or mm for each.
- For several identical loads or planks, enter the number in Loads or pieces.
- Pick the material for its typical density, or type your supplier’s figure; clear the box to skip the weight.
- Optionally add a price per brass, cft, m³ or tonne, then read the result and the working, and copy it.
Brass Calculator features
Brass, cft and m³ together
One brass = 100 cft = 2.832 m³; the calculator shows every unit at once, plus cubic yards for imported quotes.
Mixed units
Feet for a truck, inches for timber, metres from a drawing — each dimension has its own unit.
Wood cft
Length in feet × width × thickness in inches ÷ 144, times the number of pieces.
Weight and cost
Tonnes at a typical loose density and cost per brass, cft, m³ or tonne in ₹, $, £ or AED.
Shows the working
Every step is listed, so you can check a supplier’s bill line by line.
Brass calculator formula
cft = length (ft) × width (ft) × height (ft), and brass = cft ÷ 100. Because one foot is exactly 0.3048 m, one cubic foot is 0.0283168 m³ and one brass is 2.8317 m³; going the other way, 1 m³ = 35.315 cft = 0.353 brass.
Example: a tractor trolley filled level to 10 ft × 6 ft × 2 ft holds 120 cft, which is 1.2 brass or 3.40 m³. A tipper body 16 × 7.5 × 3 ft holds 360 cft = 3.6 brass. At ₹4,500 a brass that load costs ₹16,200. At about 1,420 kg/m³ for dry loose sand, one brass weighs roughly 4 tonnes; damp or compacted sand is heavier.
| Quantity | cft | m³ (cum) | brass |
|---|---|---|---|
| 1 cft | 1 | 0.0283 | 0.01 |
| 1 m³ | 35.315 | 1 | 0.353 |
| 1 brass | 100 | 2.832 | 1 |
| 1 cubic yard | 27 | 0.765 | 0.27 |
| 10 m³ | 353.15 | 10 | 3.53 |
CFT calculator for wood
Timber merchants in India price sawn wood by the cubic foot. For a plank or beam, multiply the length in feet by the width and the thickness in inches and divide by 144 (the square inches in a square foot). Ten planks 8 ft long, 6 in wide and 2 in thick are 10 × 8 × 6 × 2 ÷ 144 = 6.67 cft. Enter the length in ft and the other two in inches and the calculator does the same sum. Round logs are measured differently (girth-based tables) and are not covered here. US and UK timber is often sold in board feet; see the board foot calculator.
Where the brass unit comes from, and its limits
- Brass is trade usage, not an SI unit, but it is official enough to be used for charges: Maharashtra fixes minor-mineral royalty per brass (for example ₹600 per brass for stone after the 2021 revision, and its 2023 sand scheme quoted ₹600 per brass, equal to ₹133 per tonne). Check the current notification for today’s rates.
- A load is measured loose. Sand settles in transit and bulks when damp, so the same sand can measure differently at the quarry and on site — agree in writing how the height is taken.
- Densities shown are typical loose values (the Caterpillar earthwork reference figures used in the gravel calculator). Weigh-bridge slips beat any table.
- Need the sand for a slab, plaster or brickwork rather than a load? The sand calculator starts from the job; for litres, gallons and other volume units use the volume converter.
Brass Calculator FAQ
How many cft are in 1 brass?
Exactly 100 cubic feet. 250 cft is 2.5 brass; 1.2 brass is 120 cft.
How many cubic metres are in 1 brass?
2.832 m³ (100 × 0.0283168). To go from m³ to brass divide by 2.832; 10 m³ is about 3.53 brass.
What is the brass calculator formula for a truck?
Measure the inside length, width and the height of the material in feet, multiply them for cft and divide by 100 for brass. 16 × 7.5 × 3 ft = 360 cft = 3.6 brass.
How do I calculate cft for wood?
Length in feet × width in inches × thickness in inches ÷ 144. A 10 ft × 9 in × 4 in beam is 2.5 cft.
How much does one brass of sand weigh?
Roughly 4 to 4.5 tonnes: 2.832 m³ times about 1,420–1,600 kg/m³ for loose sand. Wet sand is heavier, so weigh it if you buy by the tonne.
Is brass used outside India?
Rarely. Elsewhere aggregates are sold by the tonne, cubic metre or cubic yard, all of which this calculator also shows.