Engineering & Construction
Formwork Area Calculator
Estimate formwork for a slab soffit, a beam, a column or a wall.
Free forever.
Slab is the soffit. Beam is two sides plus the soffit. Column is four faces. Wall is two faces. Openings are not deducted.
Result
Press Calculate.
Result
Press Calculate.
How to use the Formwork Area Calculator
- Choose the member.
- Enter the sizes. Depth is used for a beam and a column.
- Read the contact area.
Questions
Which faces are counted?
A slab is the soffit. A beam is two sides and the soffit. A column is four faces. A wall is both faces.
Can I deduct a door?
Not on this page. Subtract the opening area from the result.
This runs entirely in your browser. Nothing you type is sent to a server.

