Calculate head joints, mortar, bricks, and cost quickly. Review quantities with charts, exports, and practical construction guidance for everyday masonry planning.
1. Gross wall area
Gross Area = Wall Length × Wall Height
2. Net wall area
Net Area = Gross Area − Opening Area
3. Brick module dimensions
Module Length = Brick Length + Head Joint
Module Height = Brick Height + Bed Joint
4. Bricks per course
Bricks per Course = Ceiling(Wall Length ÷ Module Length)
5. Number of courses
Courses = Ceiling(Wall Height ÷ Module Height)
6. Head joints per course
Head Joints per Course = Bricks per Course − 1
7. Total head joints
Total Head Joints = Head Joints per Course × Courses × Net Area Factor
8. Single head joint volume
Joint Volume = Head Joint Thickness × Brick Height × Wall Thickness
9. Total wet mortar volume
Total Wet Volume = Total Head Joints × Single Joint Volume
10. Dry mortar volume
Dry Volume = Wet Volume × (1 + Waste) × Dry Volume Factor
11. Material split
Cement Volume = Dry Volume × Cement Parts ÷ Total Parts
Sand Volume = Dry Volume × Sand Parts ÷ Total Parts
| Parameter | Example Value | Unit |
|---|---|---|
| Wall Length | 6.0 | m |
| Wall Height | 3.0 | m |
| Wall Thickness | 0.23 | m |
| Brick Length | 190 | mm |
| Brick Height | 57 | mm |
| Head Joint Thickness | 10 | mm |
| Bed Joint Thickness | 10 | mm |
| Mortar Mix | 1 : 4 | Cement : Sand |
A head joint is the vertical mortar joint between adjacent masonry units. It affects bonding, alignment, appearance, and total mortar quantity in wall construction.
Thickness changes the number of modules that fit in a wall and the mortar volume needed. Even small thickness changes can influence material estimates and workmanship quality.
Yes. You can deduct door, window, or other opening areas. The tool scales brick count and head joint quantity using the remaining net wall area.
Dry ingredients occupy more volume before mixing and compaction. A dry volume factor adjusts wet mortar estimates into material purchase quantities for cement and sand.
Yes. Enter any cement and sand parts that match your specification. The calculator will split the dry mortar volume according to your selected mix proportion.
The brick count is an estimate based on modular dimensions and straight wall assumptions. Site cutting, bond patterns, breakage, and detailing may change actual quantities.
Waste allowance covers losses from spillage, handling, uneven application, rework, and minor estimation differences. Many estimators add waste to improve procurement accuracy.
Yes, if you enter the actual block dimensions and realistic joint sizes. Results remain estimates and should be checked against your bond pattern and project specification.
Important Note: All the Calculators listed in this site are for educational purpose only and we do not guarentee the accuracy of results. Please do consult with other sources as well.