How to Calculate Premix Concrete per Cubic Metre
Nov 01, 2012· For those who want to know how many bags of premix concrete equals 1 cubic metre, or want to know how to calculate it, please read on. The following link states 1 cubic metre = 110 x 20kg premix bags. Therefore 1 bag = 1/110 = or cubic metres. Premix bags generally say use 1 bag per 300mm deep hole with 200mm diameter.