Free Construction Calculators for South Asia

Calculate concrete volume for slabs, beams, columns, footings, and general construction work in CFT, cubic meters, and cubic yards.

Calculate cement bags, dry volume, sand, aggregate or crush, wastage, and bag cost from concrete or mortar volume.

Estimate bricks for walls using wall size, thickness, brick size, mortar gap, wastage, and local brick rates.

Estimate tiles and boxes for floors with optional skirting allowance and user-entered tile rates.

Estimate paint quantity from room dimensions, openings, coats, coverage, wastage, and paint rate.

Estimate RCC slab materials using slab size, thickness, mix ratio, wastage, and manually entered rates.

Calculate rebar weight using the common d squared divided by 162 formula for South Asian steel estimates.

Calculate wall plaster materials with thickness, number of walls, mix ratio, wastage, and rates.

Calculate mortar quantities for masonry work using required volume or area, mix ratio, wastage, and rates.

Estimate sand quantity and cost from required volume, unit, wastage percentage, and rate.

Estimate aggregate or crush quantity in construction units with user-entered rates.

Build a quick manually rated construction estimate for South Asian house and building projects.

Create a rough grey structure estimate using covered area, floors, plot type, and manual material rates.

Estimate finishing budget by covered area, quality level, and allowance heads.

Estimate 5 marla house cost for Pakistan and North India using covered area, floors, and rates per square foot.

Estimate 10 marla house cost with region-aware notes for marla-based planning.

Estimate 1 kanal house construction cost with separate grey and finishing rates.

Calculate cost per square foot and square meter from total cost and covered area.

Prepare a quick BOQ style summary for excavation, PCC, RCC, brickwork, plaster, flooring, paint, services, and misc costs.

Estimate flooring quantity and material cost from room dimensions and user-entered rates.

Calculate ceiling area and budget for gypsum, PVC, acoustic, or other false ceiling work.

Estimate wallpaper rolls from wall dimensions, roll size, wastage, and rate per roll.

Calculate total door and window area for wood, aluminum, uPVC, steel, or glass work.

Build a quick room renovation budget from room size and manual rates.

Calculate roofing quantity and cost for sheet, tile, membrane, shingle, or slab-cover work.

Estimate a roof slab budget using slab dimensions, thickness, and manually entered rates.

Size a domestic water tank from number of people, daily usage, storage days and safety factor.

Approximate septic tank size from users, usage type, retention days, and safety factor.

Estimate excavation quantity and cost from length, width, depth, bulking percentage, and rate.

Estimate backfill quantity and cost from required volume, compaction factor, and rate.

Add appliance rows to estimate total load, daily kWh, monthly kWh and optional bill impact.

Size a solar system from daily kWh needs, sun hours, efficiency, panel wattage, and manual rate.

Estimate UPS battery bank size from load, backup time, voltage, battery Ah, and inverter efficiency.

Calculate AC tonnage using room size, sun exposure, people, windows, floor level, and climate.

Add appliance rows to calculate running load, starting load, and recommended generator kVA.

Convert South Asian land units with a clear note that local standards vary by region.

Convert between marla, kanal, square feet, square yards, and square meters.

Convert bigha and katha values while allowing custom regional standards.

Simple bidirectional area converter for square feet and square meters.

Simple bidirectional volume converter for CFT and cubic meters.

Work with feet and inch measurements for construction site dimensions.

Convert length, area, volume, weight, and cost-rate units used on construction sites.

Calculate labor estimates for construction tasks with manual rates.

Quickly add material wastage to any construction quantity.

Approximate project duration from productivity assumptions and crew size.

Estimate mix quantities for mortar or concrete ratios.

Calculate block wall quantities with wastage and rate.

Calculate boundary wall material quantities from plot dimensions and wall height.

Plan basic staircase proportions for preliminary construction estimates.

Prepare a browser-printable estimate sheet with project details, rows, amounts, and notes.