How to use it
- Enter the patio size.
- Enter the paver face size.
- Set the base and sand depths for your project.
The formula
Pavers = area ÷ paver area × (1 + waste)
Base = area × base depth; sand = area × 1 in
Worked example
| Patio length | 12 ft |
| Patio width | 12 ft |
| Paver length | 8 in |
| Paver width | 4 in |
| Gravel base depth | 4 in |
| Bedding sand depth | 1 in |
| Waste / spillage allowance | 10 % |
Result
| Pavers needed | 713 pavers |
| Patio area | 144 ft² |
| Base gravel | 2.5 tons |
| Bedding sand | 0.6 tons |
| Edge restraint | 48 ft |
Tips before you order
- Use 5% waste for straight patterns and 10–15% for herringbone or curves.
- Compact the base in 2 in lifts with a plate compactor.
Questions
How many pavers per square foot?
4.5 pavers for a 4 × 8 in brick paver; 1 paver for a 12 × 12 in paver.