All Calculators

Every calculator on NineClip Build, grouped by category — each one shows its formula, assumptions and wastage allowance.

19 calculators Formula shown Free forever
Quick Answer

All 19 calculators are listed below by category. Each one runs in your browser, shows its formula and wastage allowance, and prices materials at rates last checked in Jul 2026.

Source: CPWD Delhi Analysis of Rates 2023, Civil Vol. I (Central Public Works Department), checked Jul 2026.

Construction

Estimate cost, cement, steel, bricks, sand and concrete.

Category page
Core

Brick Calculator

Bricks, mortar cement and sand for any wall, worked from real brick sizes.

ConstructionOpen Calculator

Cement Calculator

How many bags of cement a job needs, for any concrete mix or mortar, with the working shown.

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

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

Plaster Calculator

Cement and sand for wall plaster, by thickness and mix, with the working shown.

ConstructionOpen 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

Sand & Aggregate Calculator

Convert cft, m³, brass and tonnes, and price the load before the truck arrives.

ConstructionOpen Calculator
Core

Steel Calculator

How much TMT steel does your house need? Thumb-rule quantity and dated cost.

ConstructionOpen Calculator

Interior

Paint litres and floor tile counts, with wastage and cost.

Category page
Core

Paint Calculator

How many litres of paint do you need? Coats, coverage and wastage, shown honestly.

InteriorOpen Calculator

Tile Calculator

Exact tile count and order area for any room, skirting and wastage included.

InteriorOpen Calculator

Solar

Rooftop system size, subsidy and payback; inverter and battery backup.

Category page

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

Water

Overhead and sump tank sizing from household demand.

Category page

Water Tank Size Calculator

Size your overhead tank from household demand, using NBC norms.

WaterOpen Calculator

Electrical

Load and circuits, MCB rating, wire size, inverter and battery.

Category page

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

Plumbing

Septic tank and soak pit sizes from IS 2470.

Category page

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

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

More calculators

Calculators whose category does not yet have a second 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