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Free Construction Estimators — CPWD & IS Norms

Three tools in one: Quick BOQ cost estimate, IS-standard material consumption calculator, and CPWD productivity norms — all sourced from CPWD DSR 2021 and BIS standards.

3
Estimators
CPWD
DSR 2021 Sourced
Free
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Quick BOQ Cost Estimator

Enter your project type and area to get a ball-park cost estimate based on current Indian market rates (Q3 2024). Not a substitute for a detailed BOQ — use as a first-cut sanity check.

Estimated Project Cost

Need a detailed BOQ? Rebota ERP generates itemised BOQs from your project scope — linked to live procurement and inventory. Try Free →

Enter the type of work and quantity to get IS-standard material consumption figures including 5% wastage allowance (per CPWD DSR 2021).

Materials Required

MaterialPer UnitTotal (with 5% wastage)

Source: CPWD DSR 2021 · IS 456:2000 · IS 383:2016 · Wastage factor: 5% added to all quantities.

Track material consumption live in Rebota — compare planned vs actual per activity and get stock-out alerts before they happen. Try Free →

Standard CPWD DSR 2021 labour productivity norms for common construction activities. Use these to plan manpower and compare your site's actual output.

How to use: If your activity quantity is 200m² of plastering and you have 8 masons, expected duration = (200 × 0.08 man-days) ÷ 8 = 2 days.

Activity Unit Mason (man-days) Helper (man-days) CPWD Reference
RCC work (columns, beams, slabs) 0.65 1.30
CPWD DSR 2021, Item 5.22
Brickwork 230mm thick 1.10 1.75
CPWD DSR 2021, Item 6.1
Plastering 12mm (walls) 0.08 0.04
CPWD DSR 2021, Item 7.1
Excavation — ordinary soil, <1.5m 0.32
CPWD DSR 2021, Item 1.1
Bar bending & binding MT 5.00 5.00
CPWD DSR 2021, Item 5.10
Formwork to slabs (soffit) 0.12 0.06
CPWD DSR 2021, Item 5.5
Floor tiling 600×600 0.18 0.09
CPWD DSR 2021, Item 9.3
Internal painting — 2 coats 0.04 0.02
CPWD DSR 2021, Item 13.6
Earthwork filling & compaction 0.28
CPWD DSR 2021, Item 1.7
PCC bed (M10) 0.50 1.00
CPWD DSR 2021, Item 2.1
Waterproofing — terrace 0.10 0.05
IS 6494:1988
Plumbing — copper pipe fitting point 0.50 0.25
CPWD DSR 2021, Item 15.2
Compare your site against these norms automatically. Rebota's Labour module tracks daily man-days per activity and flags productivity gaps in real time. Try Free →
Source: CPWD DSR 2021 · Reviewed: Nov 2024 · Related: IS Code Library →
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