Quantity & Estimation
11 guidesHow to work out bags, kilos, blocks, sand and aggregate for every part of a build.
BOQ for House Construction: What It Is and How to Use It
What a bill of quantities is, the item heads and units in a house BOQ, how it turns drawings into a budget, and how to use it to compare contractor quotes.
Built-Up Area vs Carpet Area vs Super Built-Up
Carpet, built-up and super built-up area explained with the RERA definition, typical ratios, and which one a construction cost per sq ft is based on.
How Many Cement Bags for a 1,000 Sq Ft House?
About 400 bags for 1,000 sq ft of built-up area. The thumb rule, a stage-by-stage split, how AAC walls change it, and how to order without waste.
Cement Mortar Ratio: 1:3, 1:4, 1:6 and Where Each Is Used
Which cement mortar ratio to use for brickwork, blockwork, plaster, pointing and waterproofing, with cement and sand per cubic metre for each mix.
Concrete Volume Calculation: Slab, Beam, Column, Footing
Formulas and worked examples to calculate concrete volume for slabs, beams, columns, rectangular and sloped footings, and how to turn volume into cement bags.
Why Dry Volume of Concrete Is 1.54 Times Wet Volume
Where the 1.54 factor for concrete and 1.27 to 1.33 for mortar come from — voids, bulking and wastage — and how to use them consistently in estimates.
Plaster Quantity Calculation: Cement and Sand per 100 Sq Ft
How to calculate cement and sand for wall and ceiling plaster, with worked examples for 12 mm internal, 20 mm external and 6 mm ceiling plaster.
How Much Sand for a House? Per Sq Ft and by Stage
Sand needed for house construction: the 1.8 cft per sq ft thumb rule, the split across concrete, masonry and plaster, tonnes vs cft, and how to cut waste.
Sand and Aggregate Units: CFT, Tonnes and Cubic Metres
Convert sand and aggregate between cft, cubic metres and tonnes, why loads quoted in tonnes and cft differ, bulking of damp sand, and lorry-load checks.
Sq Yard to Sq Ft, Sq Metre and Guntas: Telangana Units
Convert square yards (gajalu) to sq ft, sq m, guntas and acres, with tables for common Hyderabad plot sizes and the units used in plans and sale deeds.
How to Calculate Steel for a Slab: Worked Example
Step-by-step steel calculation for an RCC slab: number of bars, lengths and weight for main and distribution steel, plus extras, with a room-sized example.
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