Brick wall

Brick calculator for a wall

Estimate whole bricks for a wall area using one actual brick size, explicit joints and waste.

Wall area and brick dimensions

Enter net wall area after openings, actual brick face dimensions and both joints. Nominal dimensions are not inserted and a laying pattern is not calculated.

Unit system

Changing units preserves the same physical measurements and exact result.

Required
Required
cm

Measure the selected brick itself, not its nominal or modular label.

Required
cm

Measure the selected brick itself, not its nominal or modular label.

Required
mm

Enter positive head and bed joints for this installation.

Required
mm

Enter positive head and bed joints for this installation.

Required
%

Only enter the count declared for the same selected brick SKU.

Mortar estimate (optional)

Use a consumption figure declared for the mortar you plan to use. Joint dimensions alone do not determine mortar mass.

How is consumption stated?

Brick wall

Result

Ready for input

Enter the required values, then calculate.

Estimate bricks from the wall face

Start with net wall area after openings. Use the actual face dimensions of one brick and explicit head and bed joints for the chosen construction; nominal size is not a substitute.

How to use it

  1. Enter net wall area, the actual brick length and height visible on the wall, both joint widths and your own waste percentage.
  2. For whole packs, enter how many of that same brick SKU are in one compatible package.

Formula

Module face area = (actual brick length + head joint) × (actual brick height + bed joint). Theoretical bricks = net wall area ÷ module area. Add waste, then round up to whole bricks and packs.

Example

For 8 m² net wall area, a 19 cm × 9 cm brick and 10 mm joints in both directions give a 0.02 m² module. That is 400 brick equivalents; with 5% waste, buy 420 bricks. At 100 bricks per pack, buy five packs and have 80 bricks by count left over.

What the estimate uses

  • All bricks have the same actual face and joint dimensions; openings are already excluded from the wall area.

Limits

  • Brick bond, cuts, corners, wall thickness and load-bearing suitability are not designed.
  • Mortar is not inferred from joint size; it needs separate product-declared consumption data.

Brick question

Should I enter nominal or actual brick dimensions?

Enter the actual face dimensions of the brick you will use. The two joints are separate inputs, so a nominal module must not be entered as the brick itself.