🧱 Cement Calculator
Pour size and mix ratio
Length
Width
Thickness
(4 in / 10 cm is a typical slab)
Mix ratio (cement : sand : aggregate)
1 : 1.5 : 3 — high strength (beams, structural work)
1 : 2 : 3 — general purpose (slabs, driveways)
1 : 2 : 4 — footings and foundations
1 : 3 : 6 — lean mix (blinding, filling)
Custom ratio…
Cement parts
Sand parts
Aggregate parts
Waste allowance (%)
(extra for cuts, spills and uneven ground — 10% is the usual rule)
Calculate cement
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