How the Concrete Column Calculator works
Volume = Width × Depth × Height × Number of columns, then materials by mix ratio with a 1.54 dry factor.
How to use this calculator
- Sign up free and verify your email to unlock the calculator.
- Choose Metric (m, mm, m³, kg) or Imperial (ft, in, cft, lb) units.
- Enter the width, depth, height, no. of columns, mix, cement, sand 1 (e.g. coarse / lawrencepur), sand 2 (e.g. fine / ravi), crush 1 (e.g. 3/4"), crush 2 (e.g. 3/8").
- Results update instantly — read the quantities in the Results panel.
- Add a wastage allowance and confirm against your drawings and specifications before ordering.
Typical uses
Quantity takeoff for rectangular RCC columns on each floor.
Assumptions & limitations
Results are planning estimates based on standard assumptions for concrete & masonry work. They do not replace structural design, site measurement or project specifications. Material densities, wastage and mix proportions vary by region and supplier.
Frequently asked questions
- How does the Concrete Column Calculator work?
- Volume = Width × Depth × Height × Number of columns, then materials by mix ratio with a 1.54 dry factor.
- Can I use the Concrete Column Calculator in feet and inches?
- Yes. Switch to Imperial and enter feet, inches, square feet or pounds — the calculator converts automatically and shows results in imperial units.
- When should I use the Concrete Column Calculator?
- Quantity takeoff for rectangular RCC columns on each floor.
- Is this construction calculator free?
- Yes. All CM PRO construction calculators are free — you only need to sign up and verify your email.
Related searches: column concrete calculator, RCC column volume, concrete for columns.
