100 Sq Ft How Many Bricks Calculator

Calculate instantly how many 16"×8" bricks you need for any wall area – free and instant.

  • Free
  • No sign-up
  • Instant results

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How to use it

  1. Enter wall length in feet.
  2. Enter wall height in feet.
  3. Leave unit dimensions at 16×8 inches or adjust if needed.
  4. Read the units needed and total area.

What it does – The calculator takes the length and height of a wall (in feet) and the brick size (default 16"×8") and returns the exact number of bricks required and the total wall area in square feet. Why it matters – Knowing the precise count prevents over‑ordering, saves money, and speeds up project planning. How to read the result – Units needed is the count of whole bricks that will cover the surface; Area shows the wall’s size. Because the tool assumes no mortar gap or waste, add a small percentage yourself if you want a buffer. The output updates instantly as you change any input.

Pro tips

  • Add 5‑10% extra for breakage.
  • Round up to the next whole brick.
  • Order a full pallet to reduce shipping costs.
  • Double‑check that your unit dimensions match the product you buy.

Real-life examples

  • A DIY homeowner building a 12 ft × 8 ft garden wall.
  • A contractor estimating bricks for a 30 ft × 10 ft commercial façade.
  • A landscaper planning a retaining wall with irregular dimensions.

Case study

John needed a 10 ft × 8 ft brick wall. Using the calculator he saw he required 90 bricks, ordered 95, and finished on budget without a last‑minute trip to the supplier.

Frequently asked questions

Do I need to include mortar gap?
The tool assumes no gap; add your own allowance manually.
Can I change brick size?
Yes, edit the unit length and height fields; the calculation updates automatically.
Is the result rounded?
It shows the exact decimal; round up to the nearest whole brick for ordering.
What if my wall is not a perfect rectangle?
Calculate each rectangular section separately and sum the units.
Is the calculator free?
Yes, it’s completely free and works instantly in your browser.