Solve backwards
How big a patio will my pavers make?
- 100 paversThe example worked below
- Paver CalculatorEvery figure is its own
You have
How much pavers?
Worked by the Paver Calculator at the settings below.
The settings it uses
- Area Left Unpaved
- 0 sq ft
- Paver Length
- 12 in
- Paver Width
- 12 in
- Waste Factor (%)
- 10
What it will do
90.9 sq ft of patio
8.45 m²
One patio. Enough for a patio 10.9 × 8.4 ft.
Or several. Less than one patio of the size the Paver Calculator opens on (a patio 13 × 10 ft).
Check it forwards
- Patio Length
- 10.9 ft
- Patio Width
- 8.36 ft
- It asks for
- 100 pavers
- You have
- 100 pavers
The Paver Calculator asks for 100 pavers at that size, and 101 pavers one step larger.
If you had more, or less
Around your amount
Each worked by the Paver Calculator at the same settings.
Half
50 pavers
45.5 sq ft
a patio 7.7 × 5.9 ft
Yours
100 pavers
90.9 sq ft
a patio 10.9 × 8.4 ft
Half as much again
150 pavers
136 sq ft
a patio 13.3 × 10.2 ft
Double
200 pavers
182 sq ft
a patio 15.4 × 11.8 ft
Common amounts
What each amount of pavers covers
The sizes it is usually sold in, each worked by the Paver Calculator at the settings above.
| You have | It covers | As one patio | Average patios |
|---|---|---|---|
| 50 pavers | 45.5 sq ft(4.22 m²) | a patio 7.7 × 5.9 ft | under 1 |
| 100 pavers | 90.9 sq ft(8.45 m²) | a patio 10.9 × 8.4 ft | under 1 |
| 200 pavers | 182 sq ft(16.9 m²) | a patio 15.4 × 11.8 ft | 1 |
| 500 pavers | 455 sq ft(42.2 m²) | a patio 24.3 × 18.7 ft | 3 |
Actual size, not nominal
The count rests on the paver's actual face, not its nominal name, and the page opens at a 12 by 12 inch paver for North America and a 300 by 300 mm one elsewhere. Common sizes also include 16 by 16 inches (40 cm) and 6 by 9 inches (15 by 23 cm), and a smaller paver makes a far smaller patio from the same count.
Ten per cent for a simple rectangle
The calculator adds ten per cent for edge cuts, curves and breakage, standard for a simple rectangular layout, and read backwards that tenth comes off the pavers. A curved edge or a herringbone or diagonal pattern cuts far more, so the patio a stack makes shrinks well below the rectangle shown.
Everything under the pavers is extra
The sub-base, the bedding layer and the jointing sand each have their own depth and compaction, and none is counted here. Neither is the edge restraint, without which the field spreads under traffic and the joints open — it is part of the patio even though it is not a paver.
How the answer is worked
Nothing here is a second formula. The Paver Calculator runs forwards — a size in, a quantity out — and this page grows its own starting patio in proportion until the quantity it asks for is what you have. Where it rounds up to whole containers, the answer is the largest size before the next one would be needed.
Where the calculator adds an allowance for cuts or breakage when you order, the same allowance comes off here, because it is the same calculator: a stack you already own finishes less than its face value. Where it adds none, neither does this page — the settings beside the answer say which.
Paver Calculator
runs it forwardsEstimate how many pavers you need for a patio or walkway, based on paver size and area.
Work out what to buy insteadSolve backwards
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Solve backwards
Start from what is already in the yard
Paint, sheets, rolls, bags and pieces, each read the other way by the calculator that orders it.
The calculator's own figures
Nothing is estimated twice: the page runs the same calculator you would order with.
The largest size that fits
Where a calculator rounds up to whole containers, the answer stops before the next one.
Both unit systems
Gallons and litres, square feet and square metres, side by side.
Frequently asked questions
- How much patio does 100 pavers of pavers cover?
- At the Paver Calculator's own settings, 90.9 sq ft (8.45 m²) — a patio 10.9 × 8.4 ft. Every figure follows the settings, which you can change in the calculator.
- How many 12 by 12 pavers do I need for a 10 by 10 patio?
- A 10 by 10 foot patio is 100 square feet, and each 12 by 12 inch paver covers one square foot, so 100 pavers before cuts — about 110 with the usual ten per cent for edges and breakage. In metric, a 3 by 3 metre patio of 300 mm pavers takes 100, or 110 with the allowance.
- How much area does a pallet of pavers cover?
- It depends on the paver size and the pallet count, which vary by product — divide the pallet's paver count by the pavers per square foot or square metre, then take off about a tenth for cuts on a simple layout. The table above does it for common counts.
- What goes under pavers?
- A compacted sub-base of crushed stone, a screeded bedding layer of sand, the pavers, and jointing sand swept into the gaps — with an edge restraint holding the field together. Each layer has its own depth and compaction, and each is a separate order from the pavers themselves.