Construction Material Calculator
Cement, sand, steel and bricks for your build
Local material rates
- Cement₹1.92 L23%
- Sand₹1.30 L16%
- Aggregate₹89,10011%
- Steel (TMT)₹3.36 L40%
- Bricks₹86,40010%
| Cement | ₹1.92 L | 23.0% |
| Sand | ₹1.30 L | 15.6% |
| Aggregate | ₹89,100 | 10.7% |
| Steel (TMT) | ₹3.36 L | 40.3% |
| Bricks | ₹86,400 | 10.4% |
| Materials | ₹8.33 L | 60.0% |
| Labour, finishes & services | ₹5.55 L | 40.0% |
Bill of materials
| Material | Quantity | Unit | Rate | Amount |
|---|---|---|---|---|
| Cement | 480 | bags (50 kg) | ₹400 | ₹1,92,000 |
| Sand | 2,160 | cft | ₹60 | ₹1,29,600 |
| Aggregate | 1,620 | cft | ₹55 | ₹89,100 |
| Steel (TMT) | 4,800 | kg | ₹70 | ₹3,36,000 |
| Bricks | 9,600 | nos | ₹9 | ₹86,400 |
| Total material cost | ₹8,33,100 |
Quantities come from standard per-sqft thumb rules for RCC framed residential construction. A structural drawing will give exact figures.
Understand the result
About the Construction Material Calculator
How much material does a house need?
Before you build, you need a realistic estimate of the main materials — cement, sand, aggregate (gravel), steel and bricks — and what they will cost. Engineers use thumb rules per square foot of built-up area as a first estimate, refined later by detailed drawings and a bill of quantities.
This construction material calculator applies thumb rules for economy, standard or premium construction to your built-up area and number of floors, prices each material at your local rates, and estimates the total cost of the building including labour, finishing and other items.
How this calculator works
Indian residential construction is estimated from per-square-foot thumb rules that contractors and quantity surveyors have used for decades. For a standard RCC framed house, one square foot of built-up area consumes roughly 0.4 bags of cement, 1.8 cft of sand, 1.35 cft of aggregate, 4 kg of steel and 8 bricks.
The quality tier scales those figures. A premium build carries deeper foundations, thicker slabs, more reinforcement and better blockwork, so it uses roughly 18% more material than a standard build; an economy build uses about 12% less.
Materials are only part of the cost. In a typical Indian residential project they account for around 60% of the total, with labour, finishes, electrical, plumbing, sanitary fittings and contractor margin making up the rest. That is how the total build cost above is derived from the material cost.
Treat this as a budgeting estimate, not a bill of quantities. A real BOQ comes from structural drawings and will differ — sometimes substantially — depending on soil conditions, span lengths, seismic zone and the number of storeys.
Formula
Per sqft of built-up area (standard quality): Cement 0.40 bags Sand 1.80 cft Aggregate 1.35 cft Steel 4.00 kg Bricks 8 nos Quantity = area × floors × rate per sqft × quality factor Material cost = Σ (quantity × local rate) Total build cost ≈ material cost ÷ 0.60 1 brass = 100 cft
Worked example
- A 1,200 sqft single-floor standard build.
- Cement 480 bags, sand 2,160 cft, aggregate 1,620 cft, steel 4,800 kg, bricks 9,600.
- At typical rates that is about ₹8.6 lakh of materials, implying a total build cost near ₹14.3 lakh — roughly ₹1,200 per sqft.
Materials for a 1,200 sq ft house
| Material | Quantity | Per sq ft |
|---|---|---|
| Cement | 480 bags (50 kg) | 0.4 bag |
| Sand | 2,160 cu ft | 1.8 cu ft |
| Aggregate | 1,620 cu ft | 1.35 cu ft |
| Steel (TMT) | 4,800 kg | 4 kg |
| Bricks | 9,600 | 8 |
At the default local prices, these materials cost about ₹8.3 lakh, and the estimated total cost of the building — including labour, finishing, electrical, plumbing and other items — is about ₹13.9 lakh. Material prices vary widely by city and season, so enter current local rates.
Assumptions & important notes
What this calculator assumes
- RCC framed construction with brick infill walls, the standard for Indian residential buildings.
- Normal soil conditions and standard foundation depth. Black cotton soil, high water table or hilly terrain increase foundation cost significantly.
- Standard floor-to-floor height of about 10 feet and conventional span lengths.
- Material rates are the ones you enter — they vary widely by city and by season, and sand in particular is subject to local mining restrictions.
- The 60% material share is a typical average. High-specification interiors push it below 50%; a bare structural shell pushes it above 70%.
Important notes
- Sand and aggregate are usually ordered by the brass, which is 100 cubic feet. Convert before placing an order.
- One bag of cement is 50 kg; 20 bags make one tonne.
- Steel consumption rises with the number of floors. Four kg per sqft suits G+1; a G+3 building can need 5–6 kg.
- Add 5–10% wastage to every material quantity when actually ordering, particularly for bricks and cement.
- Cement has a shelf life of about three months in Indian humidity. Order in stages rather than all at once.
Frequently asked questions
How accurate are these thumb rules?
Within roughly 10–15% for conventional residential construction, which is good enough for budgeting and for sanity-checking a contractor’s quote. For tendering or loan sanction you need a proper BOQ from structural drawings.
Why is the total cost so much higher than the material cost?
Because materials are only about 60% of a residential build. Labour, electrical, plumbing, sanitary ware, flooring, painting, doors, windows and contractor margin make up the rest.
What is a brass?
A volume unit of 100 cubic feet, used across India for ordering sand and aggregate. The calculator shows both cft and brass so you can order directly.
Does this cover the plot or the building?
The building. Enter built-up area per floor — the area actually constructed, including walls — not the plot area or the carpet area.
How much does steel vary by number of floors?
Lower floors carry more load, so reinforcement rises with height. Budget about 4 kg per sqft for a ground-plus-one, and 5–6 kg for taller structures.
How can I reduce construction material costs?
Buy steel and cement in bulk from dealers when prices dip, use fly-ash bricks or AAC blocks where suitable, avoid over-designing the structure, and finalise drawings before starting so there is little rework. Never compromise on structural steel or concrete quality.
PaiseWise runs entirely in your browser — the figures you enter are never sent anywhere. Results are estimates for planning only, not financial, tax or investment advice.