Calculateus

Paver Calculator

Calculate how many pavers you need for a patio or walkway.

Result

Pavers Needed
165
Total Area
150 sq ft (13.9 m²)

About the Paver Calculator

Paver count comes down to dividing the patio's total area by a single paver's area - simple in principle, but easy to get wrong when mixing units between feet and inches.

How It Works

The calculator converts the paver's dimensions from inches to square feet, divides the total patio area by that figure, and adds a waste allowance for cutting and breakage.

pavers = (patio area ÷ paver area) × (1 + waste %)

Examples

A rectangular patio

A 15×10 ft patio using 12×12 in pavers (1 sq ft each) with 10% waste needs about 165 pavers.

Smaller pavers

The same patio with 6×9 in brick pavers needs significantly more individual units, since each one covers less area.

Advantages

  • Handles any custom paver size, not just one standard dimension
  • Adjustable waste allowance for simple vs. complex patterns
  • Converts paver dimensions automatically from inches to square feet

Common Mistakes

  • Mixing up inches and feet when entering paver dimensions
  • Using too low a waste allowance for curved or complex patterns
  • Not accounting for joint width between pavers

Edge Cases to Watch For

  • This assumes pavers are laid edge-to-edge - patterns with wide sand-filled joints have a slightly smaller effective paver footprint, so order a bit beyond the waste allowance for those layouts.
  • Curved borders and complex patterns (herringbone, basket weave) waste more material from cuts than a simple running-bond pattern in a rectangular area.
  • Paver dimensions can vary slightly by manufacturer even for a "standard" size - always check the actual product dimensions before finalizing an order.

Common Use Cases

  • Ordering pavers for a new patio or walkway
  • Comparing material needs between different paver sizes
  • Budgeting a paver project before purchasing
Written & fact-checked by the Calculateus TeamLast updated August 5, 2026How we verify our formulas

Frequently asked questions

Why include a waste allowance for pavers?

Cutting pavers to fit borders and curves creates unusable offcuts, and some pavers crack during cutting or installation - a 10% allowance is standard, rising to 15-20% for complex patterns or curved layouts.

Does this account for the gap between pavers?

No - this assumes pavers are laid edge-to-edge. If your pattern uses wide sand-filled joints (common for permeable patios), the effective paver footprint is slightly smaller, so order a bit extra beyond the waste allowance shown.

Conclusion

Paver math is straightforward area division, but the waste allowance is what actually protects against running short mid-project - especially for anything beyond a simple rectangular layout. Increase it for curved borders or intricate patterns.