Column Concrete Calculator
Concrete for rectangular or circular columns, full height, any count.
A 300×450 column eats just 0.4 m³ per 3 m lift — columns are cheap in concrete and expensive in steel (1.5–2.5% reinforcement). Order column pours with the adjacent beams to save truck minimums.
Formula
Column Concrete Calculator is a free column concrete for civil engineers, contractors and quantity surveyors — instant, accurate and 100% client-side, with the governing formula and reference shown next to the result so the number can be defended, not just quoted.
About Column Concrete Calculator
Concrete for rectangular or circular columns, full height, any count. The calculation implements V = A_section × h × n (Standard quantity takeoff). A 300×450 column eats just 0.4 m³ per 3 m lift — columns are cheap in concrete and expensive in steel (1.5–2.5% reinforcement). Order column pours with the adjacent beams to save truck minimums.
How to use Column Concrete Calculator
- 1Enter Shape (1 rectangular · 2 circular).
- 2Enter Width / diameter in mm.
- 3Enter Depth (ignored if circular) in mm.
- 4Enter Column height in m.
- 5Read Per column, Total instantly — no submit button needed.
- 6Need US units? Flip the SI/Imperial toggle and every field converts.
Why use Column Concrete Calculator?
- ✓Implements the standard formula — V = A_section × h × n
- ✓Reference cited on-page: Standard quantity takeoff
- ✓One-click SI ⇄ Imperial toggle — values convert in place, physics stays in SI
- ✓Runs entirely in your browser — nothing uploaded, free forever
Frequently asked questions
What formula does the Column Concrete Calculator use?+
It computes V = A_section × h × n, per Standard quantity takeoff. The formula is displayed under the result.
What should I keep in mind when using this calculator?+
A 300×450 column eats just 0.4 m³ per 3 m lift — columns are cheap in concrete and expensive in steel (1.5–2.5% reinforcement). Order column pours with the adjacent beams to save truck minimums.
Does it include wastage?+
Yes — standard wastage/bulking factors are built in and stated in the formula line, so the quantity is an orderable number, not a bare geometric volume.
Is the Column Concrete Calculator free to use?+
Yes — completely free, no sign-up, no limits. It runs client-side in your browser, so inputs stay private and results are instant even on slow connections.
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