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Formwork quantity · Contractors & estimators

Formwork & Shuttering Area Calculator

Estimate shuttering area for slabs, beams and columns from plan dimensions, depth and reuse factor—then convert to a planning hire or material cost.

Free foreverNo account requiredInstant results

Enter your project details

Your estimate

Contact shuttering area for slabs, beams or columns—with optional reuse factor for material vs hire planning.

Element model
Slab soffit + edge
Contact area (one unit)
64 m²
Total shuttering area
67.2 m²

1 unit(s) + 5% allowance

Area if forms reused
8.4 m²

8 reuse cycles

Planning formwork cost
NPR 23,520

At NPR 350 per m² of contact area

Cost per unit
NPR 23,520

Simplified contact-area model. Props, staging, beam-slab junctions, openings, curved work and safety systems are not included. Follow method statements and temporary-works design on site.

Practical guide

Understand the numbers before you use them on site

Read the related guide for assumptions, ordering tips and ways to compare the estimate with actual site records.

Read guide

Same-category tools first so each intent stays clustered—then open the full hub if you need a different job.

Frequently asked questions

Use the estimate with confidence

Is the Formwork Area free?

Yes. The Formwork Area works in your browser without an account. You can install GharNaksa when you want to track the real project costs, payments and progress.

Can I use this result as a final quotation or professional approval?

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.

How do I track the estimate during construction?

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.