PCC Calculator (1:4:8 / 1:3:6 Bed)
Lean-mix levelling course quantities under footings and floors.
PCC isn't structural — it's a clean, level casting surface that keeps rebar chairs out of the mud and cover honest. 75–100 mm under footings is cheap insurance against a dirty failure.
Formula
PCC Calculator (1:4:8 / 1:3:6 Bed) is a free pcc calculator 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 PCC Calculator (1:4:8 / 1:3:6 Bed)
Lean-mix levelling course quantities under footings and floors. The calculation implements V×1.54 split 1:n:2n; 1:4:8 ≈ 3.4 bags/m³ (IS 456; CPWD specifications). PCC isn't structural — it's a clean, level casting surface that keeps rebar chairs out of the mud and cover honest. 75–100 mm under footings is cheap insurance against a dirty failure.
How to use PCC Calculator (1:4:8 / 1:3:6 Bed)
- 1Enter PCC area in m².
- 2Enter Thickness in mm.
- 3Enter Mix (1 → 1:4:8 (M7.5) · 2 → 1:3:6 (M10) · 3 → 1:5:10).
- 4Read PCC volume, Cement bags, Sand instantly — no submit button needed.
- 5Need US units? Flip the SI/Imperial toggle and every field converts.
Why use PCC Calculator (1:4:8 / 1:3:6 Bed)?
- ✓Implements the standard formula — V×1.54 split 1:n:2n; 1:4:8 ≈ 3.4 bags/m³
- ✓Reference cited on-page: IS 456; CPWD specifications
- ✓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 PCC Calculator (1:4:8 / 1:3:6 Bed) use?+
It computes V×1.54 split 1:n:2n; 1:4:8 ≈ 3.4 bags/m³, per IS 456; CPWD specifications. The formula is displayed under the result.
What should I keep in mind when using this calculator?+
PCC isn't structural — it's a clean, level casting surface that keeps rebar chairs out of the mud and cover honest. 75–100 mm under footings is cheap insurance against a dirty failure.
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 PCC Calculator (1:4:8 / 1:3:6 Bed) 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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