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Tiler

Grout Estimate

Grout in kg from tile size and joint.

Grout

3.1 kg

Per m20.26 kg

Formula

kg/m2 = ((L + W) / (L x W)) x joint x tile thickness x density

((300+300)/(300x300)) x 3 x 8 x 1.6 = 0.26 kg/m2

Estimate only. Add 10-15% wastage and round up to whole bags.