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For planning only — consult a contractor for structural work.
Results
Volume
1.2 m³
Volume (imperial)
42.38 ft³
Cement bags (50 kg)
9
Mix ratio (cement:sand:gravel)
1:2:4
Bag count uses ~7 bags per m³ as a DIY rule of thumb.
Wear PPE when mixing concrete.
It is a DIY planning estimate (~7 × 50 kg bags per m³). Real jobs need site-specific mix design.
Yes — switch to imperial units for length and thickness in feet or inches.
No — structural concrete requires professional design and local building codes.