Slab quantity · Engineers, contractors & site teams
Calculate floor or roof slab wet volume, cement bags, sand and aggregate from length, width, thickness, nominal mix and wastage—then convert to a rough material cost with editable rates.
Your estimate
Floor or roof slab materials from plan size, thickness and nominal mix—with a rough steel allowance you can edit.
50 kg bags, rounded up
80 kg/m³ density you entered
Not a structural design. Use approved slab thickness, cover, bar schedule and design mix. Formwork, labor, curing and beam/column drops are separate.
Practical guide
Read the related guide for assumptions, ordering tips and ways to compare the estimate with actual site records.
Same-category tools first so each intent stays clustered—then open the full hub if you need a different job.
Frequently asked questions
Yes. The RCC Slab Concrete works in your browser without an account. You can install GharNaksa when you want to track the real project costs, payments and progress.
No. It is a planning estimate based on the information you enter. Verify rates, quantities, drawings, local requirements and contract terms with the appropriate qualified professional before making a commitment.
Use GharNaksa to record actual material deliveries, labor, payments, bills and site photos. Comparing the estimate with a dated site record helps reveal cost differences early.