New and updated calculators, systems and guides from build.nineclip.com for building and fixing up a home in India. https://build.nineclip.com/feed.xml 2026-10-22T00:00:00+05:30 build.nineclip.com https://build.nineclip.com/ 2026-10-22T00:00:00+05:30

Free calculators for building a house in India: cost per sq ft, cement, steel, bricks, tiles, paint, wiring and solar, with the formula and a dated source.

https://build.nineclip.com/calculators/ 2026-10-22T00:00:00+05:30

Every free construction, interior and water calculator on NineClip Build, grouped by category. Each shows its formula and runs in your browser.

https://build.nineclip.com/calculators/soak-pit-calculator/ 2026-10-22T00:00:00+05:30

Soak pit size from IS 2470 Part 2: daily flow, your soil's percolation rate and the pit's depth below the inlet, or the length of a dispersion trench.

https://build.nineclip.com/calculators/water-tank-calculator/ 2026-10-22T00:00:00+05:30

Water tank size for an Indian home: people × litres a day × days of storage. IS 1172 litres per head by town size, from 135 to 200 L.

https://build.nineclip.com/guides/ 2026-10-22T00:00:00+05:30

Free guides to checking steel, cement, sand, bricks, tiles and water tanks on site in India, each with the IS clause, worked examples and a calculator.

https://build.nineclip.com/guides/tank-sump-litres-on-a-quote/ 2026-10-22T00:00:00+05:30

Work out sump litres from inside size and overflow level, check a plastic tank's net capacity (IS 12701), and convert cft, m³ and gallons. Worked examples.

https://build.nineclip.com/plumbing/ 2026-10-22T00:00:00+05:30

Plumbing calculators for homes without a sewer: septic tank size by users and soak pit or dispersion trench size by soil, both from IS 2470.

https://build.nineclip.com/water/ 2026-10-22T00:00:00+05:30

Water storage calculators for Indian homes: overhead and underground tank capacity from household size, the IS 1172 daily demand figures and days of storage.

https://build.nineclip.com/systems/ 2026-10-21T00:00:00+05:30

Step-by-step plans for Indian homes: house budget, rooftop solar, Diwali repaint. Each has a decision, ordered steps, mistakes and a free printable page.

https://build.nineclip.com/guides/concrete-cube-test-record-slab-day/ 2026-10-18T00:00:00+05:30

Cube samples by concrete volume (IS 456 cl. 15.2.2), 3 cubes a sample, site making and curing (IS 516), the ±15% check and a record sheet. Worked examples.

https://build.nineclip.com/guides/slab-curing-days-props/ 2026-10-18T00:00:00+05:30

Slab curing days by cement type (IS 456 cl. 13.5.1: 7, 10 or 14), ponding or wet sacking, hot-weather rules (IS 7861) and prop stripping times, with examples.

https://build.nineclip.com/guides/measure-sloping-plot-horizontal-area/ 2026-10-17T00:00:00+05:30

Why a tape laid on sloping ground reads long, how to step it level or correct with the drop, and how big the error is. Worked examples in sq ft and katha.

https://build.nineclip.com/calculators/staircase-calculator/ 2026-10-16T00:00:00+05:30

Enter your floor height and get the riser count, tread, flights and stair-hall size, checked against the Model Building Bye-Laws 2016 limits clause by clause.

https://build.nineclip.com/construction/ 2026-10-16T00:00:00+05:30

Free construction calculators for Indian homes: house construction cost, cement bags, steel weight, brick count, plaster, sand, aggregate and concrete mixes.

https://build.nineclip.com/guides/measure-plot-check-record-area/ 2026-10-14T00:00:00+05:30

Convert katha, decimal, bigha or gaj to sq ft, tape a rectangular or uneven plot with a diagonal, and compare it with the record. Worked examples.

https://build.nineclip.com/pages/about/ 2026-10-14T00:00:00+05:30

About NineClip Build: who we are, how we build free construction cost calculators for India, and why every rate we publish carries a date and a cited source.

https://build.nineclip.com/pages/accessibility/ 2026-10-14T00:00:00+05:30

Accessibility at NineClip Build: WCAG 2.1 AA goals, keyboard navigation, screen-reader support for calculator results, and how to report a barrier.

https://build.nineclip.com/pages/calculation-methodology/ 2026-10-14T00:00:00+05:30

How NineClip Build calculators work: published formulas, range arithmetic, wastage allowances, rounding, and what our estimates deliberately exclude.

https://build.nineclip.com/pages/contact/ 2026-10-14T00:00:00+05:30

Contact NineClip Build. Report a wrong rate, request a construction calculator, or send local price knowledge from your city. Email us directly.

https://build.nineclip.com/pages/corrections-policy/ 2026-10-14T00:00:00+05:30

Corrections policy for NineClip Build: how to report a wrong construction rate or formula, how we verify it, and how corrections are published and dated.

https://build.nineclip.com/pages/disclaimer/ 2026-10-14T00:00:00+05:30

Disclaimer for NineClip Build: our construction estimates are budgeting ranges, not quotations or engineering advice. Rate accuracy and liability explained.

https://build.nineclip.com/pages/editorial-policy/ 2026-10-14T00:00:00+05:30

Editorial policy for NineClip Build: sourcing standards, independence from suppliers and advertisers, and how our construction content is reviewed.

https://build.nineclip.com/pages/privacy-policy/ 2026-10-14T00:00:00+05:30

Privacy Policy for NineClip Build. Calculators run entirely in your browser — no accounts, no uploads, and nothing you enter is ever sent to us.

https://build.nineclip.com/pages/rate-methodology/ 2026-10-14T00:00:00+05:30

How NineClip Build sources construction material rates for India: the two-source rule, dated ranges, confidence levels and a quarterly review.

https://build.nineclip.com/systems/buying-a-plot-check-area/ 2026-10-14T00:00:00+05:30

Before you buy a plot, turn katha, decimal, gunta, marla or gaj into sq ft, tape the four sides and a diagonal, and compare with the record. Free check sheet.

https://build.nineclip.com/guides/septic-tank-soak-pit-location-small-plot/ 2026-10-13T00:00:00+05:30

Septic tank and soak pit distances from IS 2470: 6 m from a house, 18 m from a well, vent height, cleaning access. Worked checks for 30x40 and 40x60 plots.

https://build.nineclip.com/guides/percolation-test-soak-pit/ 2026-10-12T00:00:00+05:30

Do the IS 2470 percolation test yourself: hole size, the overnight soak, 30 or 10 minute readings, and the sum that gives minutes per 25 mm. Worked examples.

https://build.nineclip.com/calculators/septic-tank-calculator/ 2026-10-11T00:00:00+05:30

Septic tank size for a house or hostel from IS 2470: length, breadth, liquid depth and litres by number of users and cleaning interval, plus free board.

https://build.nineclip.com/guides/ac-nameplate-mcb-wire-size/ 2026-10-11T00:00:00+05:30

Read an AC nameplate's rated and maximum current, pick the MCB from the standard IS/IEC 60898-1 ratings, and check the wire. Why tonnage is not watts.

https://build.nineclip.com/guides/tile-order-batch-shade-adhesive/ 2026-10-11T00:00:00+05:30

How many tile boxes to order, why every box should share one batch and shade code, how to check tiles on arrival (IS 13630) and how many adhesive bags.

https://build.nineclip.com/guides/wiring-plan-2bhk-circuits-db/ 2026-10-11T00:00:00+05:30

List every light, fan and socket in a 2BHK, group them into circuits by CPWD rules, and count MCBs and DB ways. Worked 2BHK plan with 10 circuits.

https://build.nineclip.com/systems/material-order-one-floor/ 2026-10-11T00:00:00+05:30

Plan the material order for one floor in India: quantities from the drawings, a thumb-rule check, lots by stage, cement age, steel weight and truck checks.

https://build.nineclip.com/systems/retile-floor-or-bathroom/ 2026-10-11T00:00:00+05:30

Plan a re-tile in India: tap-test the old floor, choose over-tile or take-up, count tiles in boxes, adhesive or mortar from CPWD, and the days before use.

https://build.nineclip.com/calculators/electrical-load-calculator/ 2026-10-10T00:00:00+05:30

Work out a house's connected load, how many circuits it needs and the MCB and wire for each, from CPWD circuit rules and IS/IEC 60898-1 MCB ratings.

https://build.nineclip.com/electrical/ 2026-10-10T00:00:00+05:30

Electrical calculators for Indian homes: connected load and circuits, MCB ratings, wire size by current and length, and inverter and battery sizing.

https://build.nineclip.com/calculators/wire-size-calculator/ 2026-10-09T00:00:00+05:30

Find the copper wire size in sq mm for a home circuit from the load, MCB rating and run length. Uses IS 3961 current ratings and shows the voltage drop.

https://build.nineclip.com/guides/check-brick-delivery/ 2026-10-09T00:00:00+05:30

Count a brick load with IS 4082 stacks of 2,000, check size with the IS 1077 twenty-brick row test, read the class and absorption limits. Worked examples.

https://build.nineclip.com/guides/check-cement-bags-on-delivery/ 2026-10-09T00:00:00+05:30

Read a cement bag's packing week and best-before date, check type, grade and 50 kg, spot set lumps, and stack the bags the way IS 4082 asks. Worked examples.

https://build.nineclip.com/guides/check-tmt-steel-delivery-weight/ 2026-10-09T00:00:00+05:30

Check a TMT steel delivery against IS 1786: kg per metre for each bar size, the batch weight tolerance, how to weigh sample bars, and three worked examples.

https://build.nineclip.com/guides/measure-sand-aggregate-truck/ 2026-10-09T00:00:00+05:30

Measure a sand or aggregate truck in cft and brass before it tips, check damp sand bulking with the IS 2386 jar test, and see CPWD stack deductions. Examples.

https://build.nineclip.com/systems/house-construction-budget/ 2026-10-09T00:00:00+05:30

Plan a house construction budget in India in 7 steps: area, quality tier, CPWD 13-line split, steel and cement check, 3 quotes, extras, money calendar.

https://build.nineclip.com/systems/inverter-backup-2bhk/ 2026-10-09T00:00:00+05:30

Size an inverter for a 2BHK from your own load list: watts to VA, 12 V or 24 V, battery Ah, and realistic backup hours from the makers' own figures.

https://build.nineclip.com/systems/repaint-home-before-diwali/ 2026-10-09T00:00:00+05:30

Plan a Diwali repaint: litres of paint, putty and primer from the datasheets, the coat order, how many days each room takes, and a printable room sheet.

https://build.nineclip.com/systems/rooftop-solar-3bhk/ 2026-10-09T00:00:00+05:30

Plan rooftop solar for a 3BHK in 7 steps: 12 months of bills, shadow-free roof, kW size, backup or not, quotes against MNRE's benchmark, monthly records.

https://build.nineclip.com/calculators/house-construction-budget-planner/ 2026-10-08T00:00:00+05:30

Split a house construction budget into steel, cement, bricks, finishes, services and labour with CPWD's cost-index weights, then print the plan as a PDF.

https://build.nineclip.com/calculators/plaster-calculator/ 2026-10-08T00:00:00+05:30

Calculate cement bags and sand for plastering in India by area, thickness (6–20 mm) and mix ratio (1:3 to 1:6), with wastage, dated rates and full working.

https://build.nineclip.com/calculators/plot-area-converter/ 2026-10-08T00:00:00+05:30

Convert bigha, katha, marla, kanal, gunta and cent to sq ft, m², acre and hectare, using each state's official land-record definition, with the working shown.

https://build.nineclip.com/calculators/rcc-calculator/ 2026-10-08T00:00:00+05:30

Work out steel (kg) and concrete for an RCC slab, beam or column from the drawing: IS 1786 bar weights, IS 2502 stirrup length, bar schedule and cost.

https://build.nineclip.com/calculators/sand-aggregate-calculator/ 2026-10-08T00:00:00+05:30

Convert sand and aggregate quantities between cft, m³, brass and tonnes, and get a dated cost range for river sand, M-sand and 20 mm aggregate in India.

https://build.nineclip.com/calculators/brick-calculator/ 2026-10-07T00:00:00+05:30

Calculate bricks, cement and sand for a wall in India: 9-inch or 4.5-inch, traditional or modular brick, openings deducted, wastage and dated cost shown.