KCalc.1m3 Concrete Cement Calculator
Quick estimate for cement bags needed for 1 m3 of concrete.
Use this quick method to estimate cement for 1 m3 of concrete. Adjust for your mix ratio and bag size.
Quick estimate (1:2:4 mix): About 6.3 bags (50 kg) of cement for 1 m3.
Calculator steps
Formula
Dry volume = 1.54 x wet volume Cement volume = (cement ratio / total ratio) x dry volume Bags = cement volume / bag yield
For a 50 kg bag, a typical cement bag yield is about 0.035 m3.
Need exact values? Use the calculators below with your mix ratio and density.