What about grout coverage?

The grout coverage guideline below has been provided by our suppliers.

Tile size                                          Grout required per m2

40 x 40 x 2.3cm:                         1 x 5kg per 5m2 @ 7mm -10mm

30 x 30 x 2.3cm:                         1 x 5kg per 2m2 @ 7mm -10mm

30 x 30 x 2cm:                         1 x 5kg per 2.5m2 @ 7mm -10mm

20 x 20 x 2cm:                              1 x 5kg per 2m2 @ 5mm - 7mm

15 x 15 x 2cm:                              1 x 5kg per 2m2 @ 5mm - 7mm

12 x 24 x 2cm:                              1 x 5kg per 2m2 @ 5mm - 7mm

15 x 30 x 2cm:                              1 x 5kg per 3m2 @ 5mm - 7mm

7.5 x 30 x 2cm:                            1 x 5kg per 1.5m2 @ 5mm -7mm

7.6 x 30 x 1cm:                            1 x 5kg per 3m2 @ 5mm - 7mm

Hexagonal 20 x 20 x 2cm:      1 x 5kg per 2m2 @ 5mm - 7mm

Hexagonal 15 x 25 x 2cm:      1 x 5kg per 2m2 @ 5mm - 7mm

Picket 10 x 30 x 2cm:               1 x 5kg per 2m2 @ 5mm - 7mm

Arabesque 21x20x2cm:         1 x 5kg per 3m2 @ 5mm - 7mm