Industry Tools - Mortar Calculator Table

Approximate Quantity of Mortar Required by Size of Block.

 

Concrete Block or Clay Brick Size

Joint Size

Number of Blocks/ Brick

Approximate quantity of Mortar Required

10 cm block

10 mm (0.38 in.)

590

1 yd3 (0.76 m3)

15 cm block

10 mm (0.38 in.)

540

1 yd3 (0.76 m3)

20 cm block

10 mm (0.38 in.)

500

1 yd3 (0.76 m3)

25 cm block

10 mm (0.38 in.)

460

1 yd3 (0.76 m3)

30 cm block

10 mm (0.38 in.)

425

1 yd3 (0.76 m3)

Standard Brick (3.5"x2.5"x7.5")

12 mm (0.50 in.)

1500

1 yd3 (0.76 m3)

Approximate Number of Units Laid Per Bag.

Concrete Block or Clay Brick Size

Joint  Size

MortarTek® 
Type 'S' or 'N'

Sakrete® Mortar Mix Type 'N'

Basalite 'S' Cement (sand blending required)

1200 kg Bulk Bag
(# of Units)
30 kg Sack
(# of Units)
25 kg Sack
(# of Units)
30 kg Sack
(# of Units)

10 cm block

10 mm (0.38 in.)

590 15 12 65

15 cm block

10 mm (0.38 in.)

540 13 11 60

20 cm block

10 mm (0.38 in.)

500 12 10 55

25 cm block

10 mm (0.38 in.)

460 11 8 50

30 cm block

10 mm (0.38 in.)

425 10 7 47

Standard Brick (3.5"x2.5"x7.5")

12 mm (0.50 in.)

1500 35 25 160

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