Plan a house construction budget
Take a 1,000 sq ft house from a rough figure to a line-by-line budget you can hold three contractors to, using our calculators and one printable page.
Construction intelligence for India
Plan, cost and build with numbers you can trust
Free construction cost calculators for Indian homes, with the formula and a dated, sourced rate behind every number. Estimate cement, steel, bricks, paint, tiles and total build cost in your browser. You don't need an account, and nothing you type is uploaded.
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Quick Answer
NineClip Build has 19 free calculators for building a house in India: total cost, cement, steel, bricks, sand, paint, tiles, water tanks and rooftop solar. Each one shows its formula, and every material rate is a dated range with its sources listed.
Source: Wholesale Price Index, June 2026, Office of the Economic Adviser, DPIIT, checked Jul 2026.
Browse by category
All calculators Building calculators by category
Structural quantities, finishing materials and household water storage. Electrical and plumbing calculators are being researched and will appear here once each has at least two.
Construction
Estimate cost, cement, steel, bricks, sand and concrete.
9 calculatorsInterior
Paint litres and floor tile counts, with wastage and cost.
2 calculatorsSolar
Rooftop system size, subsidy and payback; inverter and battery backup.
2 calculatorsWater
Overhead and sump tank sizing from household demand.
1 calculatorElectrical
Load and circuits, MCB rating, wire size, inverter and battery.
2 calculatorsPlumbing
Septic tank and soak pit sizes from IS 2470.
2 calculatorsWhere to start
Plan a house in five numbers
Work through them in this order. Each one feeds the next.
- 1. Plot size, in the unit on your papersPlot Area Converter
- 2. Total build cost for your area and qualityConstruction Cost CalculatorHouse Construction Budget Planner
- 3. Structure: cement, steel and concreteCement CalculatorSteel CalculatorConcrete CalculatorRCC Slab, Beam and Column Calculator
- 4. Walls and finishes: bricks, plaster, tiles and paintBrick CalculatorPlaster CalculatorTile CalculatorPaint Calculator
- 5. Power and water: solar, inverter and tankRooftop Solar PlannerInverter and Battery CalculatorWater Tank Size Calculator
Step-by-step plans
All systems Complete home project systems
Each one takes a whole job from the first decision to the records you keep, with a free page to print.
Inverter backup for a 2BHK
An inverter bought by the number on the box can leave you with two hours of backup in a long power cut when you expected four. Start from the load you will actually run and work forward from there.
Material order for one floor
Order a whole floor's material on day one and some of it sits in the rain for two months. Order it bag by bag and the masons stand idle waiting for a truck. It works better to order in lots, one for each stage of work, and to check every load as it comes in.
Repaint a home before Diwali
Diwali falls on Sunday, 8 November 2026. Work out the litres from the paint's own datasheet, book the painter for the right dates, and every room is dry before the diyas come out.
Re-tile a floor or bathroom
Re-tiling starts with one decision: lay the new tiles over the old ones, or break the old floor out first. The answer sets the adhesive, the cement and sand, the floor height at the doors and how many days the room is out of use.
Plan rooftop solar for a 3BHK
Turn a year of electricity bills into a sized and quoted rooftop solar plan for a 3BHK, using our two solar calculators and one printable page.
Core calculators
The quantities that drive most of an Indian build budget.
Core
Brick Calculator
Bricks, mortar cement and sand for any wall, worked from real brick sizes.
ConstructionOpen Calculator
Core
Concrete Calculator
Cement bags, sand, aggregate and water for any slab, by grade, with the formula shown.
ConstructionOpen Calculator
Core
Construction Cost Calculator
How much will your house cost to build? Dated rates, formula shown, honest ranges.
ConstructionOpen Calculator
Core
Paint Calculator
How many litres of paint do you need? Coats, coverage and wastage, shown honestly.
InteriorOpen Calculator
Core
Steel Calculator
How much TMT steel does your house need? Thumb-rule quantity and dated cost.
ConstructionOpen Calculator
Also available
Conversions and sizing tools that round out an estimate.
Soak Pit Size Calculator
Enter the people, what drains in and how fast your soil soaks. Get the soak pit depth or the trench length from IS 2470 Part 2.
PlumbingOpen Calculator
Septic Tank Size Calculator
Enter the users and how often the tank will be emptied. Get the length, breadth, liquid depth and litres from IS 2470.
PlumbingOpen Calculator
Electrical Load and MCB Calculator
Count your lights, fans, sockets and big appliances. Get the circuits, each MCB, the wire and the connected load.
ElectricalOpen Calculator
Wire Size Calculator
The copper wire size in sq mm for one home circuit, from the load, the MCB and the run length, with the voltage drop.
ElectricalOpen Calculator
RCC Slab, Beam and Column Calculator
Steel bar by bar and concrete by volume for one slab, beam or column, from your drawing's sizes.
ConstructionOpen Calculator
House Construction Budget Planner
Your house budget split into the 13 lines CPWD uses to track building costs, with material, labour and a printable plan.
ConstructionOpen Calculator
Inverter and Battery Calculator
The inverter VA, battery Ah and battery count for the backup you want, and the solar panels that would refill it each day.
SolarOpen Calculator
Rooftop Solar Planner
How many kW your roof needs, what it costs after the PM Surya Ghar subsidy, and how fast it pays back.
SolarOpen Calculator
Plot Area Converter
Bigha, katha, marla, gunta or cent to sq ft, acre and hectare, using each state's own definition.
Real EstateOpen Calculator
Cement Calculator
How many bags of cement a job needs, for any concrete mix or mortar, with the working shown.
ConstructionOpen Calculator
Plaster Calculator
Cement and sand for wall plaster, by thickness and mix, with the working shown.
ConstructionOpen Calculator
Sand & Aggregate Calculator
Convert cft, m³, brass and tonnes, and price the load before the truck arrives.
ConstructionOpen Calculator
Tile Calculator
Exact tile count and order area for any room, skirting and wastage included.
InteriorOpen Calculator
Water Tank Size Calculator
Size your overhead tank from household demand, using NBC norms.
WaterOpen Calculator
Why this site exists
Built so you can check it
Every formula is on the page
We publish the formula, the assumptions and the wastage allowance behind every result. Check our maths, change the defaults, and take your contractor a number you can defend.
Guides
All guides Planning guides
Step-by-step guidance for the decisions a calculator alone cannot make.
Which MCB for an AC? Read the Nameplate, Not the TonnageBrick Delivery Check: Count, Size and Quality (IS 1077)Cement Bag Date and Expiry: Check Bags Before You AcceptTMT Bar Weight Tolerance (IS 1786): Check Steel at SiteConcrete Cube Test: How Many Cubes and How to Record ThemMeasure a Plot and Check It Against Katha, Decimal or GajSand Truck Measurement: Check CFT and Brass Before TippingPercolation Test for a Soak Pit: Step by Step (IS 2470)Sump and Water Tank Litres: Check the Capacity on a QuoteTile Order: Boxes, Batch and Shade Codes, Adhesive Bags2BHK Wiring Plan: Points, Circuits and DB Ways Checklist
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Know what your build should cost
Free calculators with the formulas shown and material rates dated. Nothing to install, no account, no uploads.