Concrete Mix Ratio Calculator

Find cement, sand, aggregate, and water quantities for any concrete grade.

Concrete Grade

Concrete Volume (m³)

Mix ratio M20: 1 : 1.5 : 3 (cement : sand : aggregate)W/C = 0.5

Understanding concrete grades

M20 is the most commonly used mix for general construction. The "M" stands for Mix and the number represents the characteristic compressive strength in MPa after 28 days.