### What is Water Cement Ratio? - Guide & Calculation – Civilology

Water Cement Ratio means the ratio between the weight of water to the weight of cement used in concrete mix. Normally water cement ratio falls under 0.4 to 0.6 as per IS Code 10262 (2009) for nominal mix (M10, M15 .. M25) We all know that water cement ratio will directly affect the strength of concrete.