Block Paving Calculator

Calculate exactly how many 16"×8" paving units you need for any wall or area—instant, free, and accurate.

  • Free
  • No sign-up
  • Instant results

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How to use it

  1. Enter the wall or area length in feet.
  2. Enter the wall or area height in feet.
  3. Set the unit size (default 16"×8").
  4. Read the Units needed and Area results.

The Block Paving Calculator tells you how many 16 in × 8 in units are required to cover a wall or any rectangular surface. You simply input the length and height of the area in feet, and the calculator converts those dimensions to square footage, then divides by the 0.889 sq ft area of one unit. The result shows total units and the total square‑footage, letting you order the right amount without over‑buying. Because the tool assumes no mortar gap or waste, you can add your own allowance later. Reading the output is straightforward: the Units needed line tells you the exact count to purchase, while the Area line confirms the covered space. Use it before you call a supplier to keep your project on budget.

Pro tips

  • Add 5‑10% extra for cut‑offs and breakage.
  • Round up to the nearest whole unit; you can’t buy a fraction.
  • Order a full pallet to avoid extra delivery fees.
  • Double‑check measurements before entering them.

Real-life examples

  • A homeowner planning a garden wall wants to know how many pavers to order.
  • A contractor estimating materials for a commercial façade needs exact unit counts.
  • A DIY enthusiast calculating pavers for a patio border wants to avoid over‑ordering.

Case study

Sarah entered her 12 ft × 6 ft patio dimensions, got 81 units, ordered 85 to include waste, and completed the project on budget without a costly surplus.

Frequently asked questions

How do I convert my measurements to the calculator?
Enter length and height in feet; the tool handles the conversion to inches automatically.
Do I need to include mortar gaps?
The calculator assumes no gaps; add a waste allowance manually if you plan for gaps.
Can I change the unit size?
Yes, you can edit the unit dimensions, but the default is 16" × 8".
Why does the result show a fraction of a unit?
The raw division may produce a fraction; always round up to the next whole unit.
Is this tool suitable for irregular shapes?
It works for rectangular areas; break irregular shapes into rectangles and sum the results.