Paver Calculator
This paver calculator finds how many pavers you need from the area and the paver size, with a waste allowance. Enter them and the paver calculator returns the paver count and the pavers per square metre. It works as a patio paver calculator and a brick paver calculator for patios, paths, and driveways.
Results
The Paver Calculator is part of our Materials Estimating collection. Browse more materials estimating to size, convert, and check your work alongside this tool.
What the paver calculator shows
The paver calculator turns the area you are paving and the size of one paver into a paver count. It divides the area by the face area of a paver, adds a waste allowance for cuts at edges and curves, and rounds up. Whether you run it as a patio paver calculator, a paver stone calculator, or a paving slab calculator, it gives the number of units to order.
How the paver calculator counts pavers
The paver calculator divides the area by the face area of one paver, lifts it by the waste allowance, and rounds up:
The ceiling brackets round up, since you buy whole pavers. Smaller pavers mean more units and more joints per square metre, which is why a paving bricks per square metre figure rises as the paver shrinks. A paver square footage calculator uses the same method in imperial units.
Patio paver calculator example
A 20 m² patio with 200 by 100 mm pavers and 5 percent waste. The patio paver calculator gives:
So the patio needs 1050 pavers. Change the paver size and the paver calculator updates the count at once.
How to use the brick paver calculator
Enter the area in square metres, the paver length and width in millimeters, and a waste allowance, then the brick paver calculator returns the paver count and the pavers per square metre. A 5 percent waste allowance suits a simple rectangular patio; raise it for diagonal patterns, curves, or many cuts. Enter the finished paver size, not the size including joints.
Reading the paver area calculator result
The paver count is how many units to order, with waste and rounding built in. The pavers per square metre figure lets you check a supplier quote quickly. Buy the whole number shown, and keep a few spares from the same batch, since colours shift between production runs. The paver calculator counts the pavers only; the base and bedding materials under them are separate, and are covered below.
When to use the paver calculator
- Ordering units for a patio with the paver calculator
- Sizing a path or driveway with a paver stone calculator
- Checking a quote against a paving bricks per square metre figure
- Planning a block paving layout by area
Common paver calculator mistakes
- Using the size with joints. Enter the finished paver size; joints are covered by the waste allowance.
- Skipping the base and sand. The count ignores the sub base and bedding, so size those separately.
- Too little waste for patterns. Diagonal and circular layouts cut more pavers, so raise the waste.
Tips for a paver project
- Enter the finished paver size, not the size including joints.
- Add 10 percent or more waste for diagonal or curved layouts.
- Size the gravel base and bedding sand as well as the pavers.
Paver base calculator and paver sand calculator
Pavers are only the top layer, so a paver base calculator and a paver sand calculator size what sits underneath. A patio needs a compacted sub base of crushed stone, usually 100 to 150 mm for foot traffic and more for a driveway, which the gravel calculator sizes from the area and depth. On top of the base goes a thin bedding layer, about 25 to 40 mm of sharp sand, screeded flat before the pavers are laid, which the sand calculator works out. Jointing sand then fills the gaps between pavers. Skipping the base is the most common cause of a patio that sinks or heaves, so size all three layers, not just the pavers.
Block paving calculator and paver patio cost
A block paving calculator counts the same way whatever the format, from small block pavers to large paving slabs, so the only thing that changes is the pavers per square metre. To estimate a paver patio cost, take the area or the paver count from this tool and multiply by the installed price per square metre, which covers the pavers, the base, the sand, and the labour. That is how a paver patio cost calculator turns a quantity into a budget: the paver calculator supplies the quantity, and your local rate supplies the price. Get the pattern and waste right first, since a herringbone or circular layout cuts more pavers and raises both the count and the cost.
Paving bricks per square metre chart
Pavers per square metre by paver size, before waste, for the paving bricks per square metre figure:
| Paver size | Face area | Pavers per m² |
|---|---|---|
| 200 × 100 mm | 0.020 m² | 50 |
| 200 × 200 mm | 0.040 m² | 25 |
| 300 × 300 mm | 0.090 m² | 11.1 |
| 400 × 400 mm | 0.160 m² | 6.3 |
Paver Calculator FAQ
How do I calculate how many pavers I need?
Divide the area by the face area of one paver, add a waste allowance, and round up. For a 20 m² patio with 200 by 100 mm pavers that is about 1050 pavers.
How many pavers are in a square metre?
It depends on the size. A 200 by 100 mm paver gives 50 per square metre, while a 300 by 300 mm slab gives about 11. Smaller pavers mean more units.
How much waste should I add?
About 5 percent for a plain rectangular layout, and 10 percent or more for diagonal patterns, curves, or many cuts.
Does the paver calculator include the base?
No. It counts the pavers only. Size the compacted base and the bedding sand separately, since both sit under the pavers.