Bricks Calculator — How Many Bricks for Your Wall?

How this bricks calculator works

This is the quick version of brick estimation: it converts your wall's dimensions to cubic metres of brickwork and multiplies by the standard thumb rule of 500 modular bricks per cubic metre (190 × 90 × 90 mm bricks with 10 mm mortar joints). The count is rounded up, and a separate card shows the recommended order quantity with a 10% wastage buffer built in.

The formula

• Wall volume (m³) = length × height × thickness
• Bricks = wall volume × 500, rounded up
• Order quantity = bricks × 1.10, rounded up

Worked example

A 10 ft × 10 ft compound wall section, 9 inches thick and 6 ft high: 3.048 × 1.829 × 0.2286 = 1.27 m³ of brickwork → 638 bricks. With 10% wastage, order 702 bricks.

Measuring tip

Measure each wall separately and add the results, rather than trying to work out a whole room in one go — corners get double-counted otherwise. For a standard room, calculate the two long walls and two short walls individually, then subtract door and window openings (a typical door is about 21 sq ft, a window 12–15 sq ft). Enter the net dimensions for the most accurate count.

Notes for Indian sites

The 500-bricks-per-m³ rule assumes modular bricks. If your region uses traditional 230 × 110 × 70 mm bricks, the count changes — roughly 380–400 per m³ — so confirm the brick size with your supplier before ordering. For walls with doors and windows, subtract the opening areas from the wall face before calculating; on large projects this saves real money. Bricks are usually sold by the thousand or by the truckload (a typical truck carries 3,000–5,000 bricks), so round your order to match how your supplier sells. Stack delivered bricks neatly and covered — bricks left in mud or water absorb moisture and weaken. And remember: mortar materials (cement and sand) are a separate order, which our brick wall calculator estimates for you.