Formwork Area Calculator

Inputs

Results update as you type.

Element
Dimensions
m
m
mm
Deductions & sheets
m²
%
Slab soffit and edges6 m5 mSection200 mmsoffit + edges formedmyconstructioncalculator.comNot to scale
Diagram updates as you type.

Results

Check the working before you order.

Formwork area to order
37.84m²
Net contact area34.40 m²
Sheets13 sheets
Per element (before openings)34.40 m²
Price This optional: add your own prices

Your prices are remembered on this device only.

Working
  1. Soffit L × W = 6.00 × 5.00 = 30.00 m²; edges 2 × (L + W) × t = 4.40 m²
  2. Net = (34.40 − 0.00) × 1 = 34.40 m²
  3. With 10% wastage = 37.84 m²; sheets = ⌈37.84 ÷ 2.98⌉ = 13

Results are estimates for planning and material ordering only. They are not a substitute for structural design or approval by a qualified engineer. Read the full disclaimer.

Formwork Area Calculator byMy Construction Calculator: free construction calculators with the working shown.