Buildings and structures
Columns: concrete, formwork, steel
Formulas
V = a × b × H | π D²/4 × H
S = 2 (a + b) × H | π D × H
Assumptions
- Formwork measured on formed faces in contact with concrete (m²).
- Steel estimated by ratio: indicative only, does not replace the bar schedule.
Columns: concrete, formwork, steel
Fill in the inputs and run the calculation: results and every intermediate step will appear here.
These tools provide estimates and calculation aids. They are neither design calculations nor an engineering approval: any design or safety decision must be checked by a qualified professional against the applicable standards.