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Paver Calculator

Work out how many pavers you need to cover an area, including a waste allowance.

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Enter Area (m²), Paver length (cm), Paver width (cm), Waste (%) and the Paver Calculator works out Pavers needed straight away. For instance, with Area (m²) = 20, Paver length (cm) = 20, Paver width (cm) = 10 and Waste (%) = 5 it returns Pavers needed = 1,050.

How to use it

  1. Enter your values: Area (m²), Paver length (cm), Paver width (cm), Waste (%).
  2. Read the result instantly: Pavers needed.

Frequently asked questions

What does the Paver Calculator actually compute?

It takes Area (m²), Paver length (cm), Paver width (cm) and Waste (%) and derives Pavers needed from them. The calculation is live as you type, so the result updates on every change.

What information do I need to provide?

4 values: Area (m²), Paver length (cm), Paver width (cm) and Waste (%). Nothing else is required — no account, no file upload.

Can you show a worked example?

With Area (m²) = 20, Paver length (cm) = 20, Paver width (cm) = 10 and Waste (%) = 5, the calculator returns Pavers needed = 1,050. Those figures come from running this exact tool, so you can reproduce them by entering the same values.

What happens if I enter larger values?

It moves a lot. Using Area (m²) = 22, Paver length (cm) = 22, Paver width (cm) = 11 and Waste (%) = 6 instead, Pavers needed goes from 1,050 to 964 — which is why it is worth testing a few scenarios rather than trusting a single figure.

What does it give for smaller values?

Scaled down to Area (m²) = 18, Paver length (cm) = 18, Paver width (cm) = 9 and Waste (%) = 5, Pavers needed comes out at 1,167. The relationship is worth checking at both ends before you rely on a single result.

When would I actually use this?

Buying the right amount at the merchant: how many tiles, how much paint, how many bags of concrete, and what it all comes to.

What is the most common mistake?

Ordering the exact calculated quantity. Cuts, breakage and pattern matching mean tiles need 10% spare and more on a diagonal layout — and a second batch rarely matches the first for colour.

What is the difference between the Paver Calculator and the Brick calculator?

This one returns Pavers needed; the Brick calculator returns Bricks needed and Bricks per m². That is the whole difference — open the one whose figure you need.

Is there a tool for the next step?

Concrete blocks calculator is the closest one after this: Estimate the number of concrete blocks needed to build a wall.

What else is worth having open alongside it?

Concrete calculator and Cubic yard calculator — they come up in the same task often enough to be worth a second tab.

Further reading

All guides →
How-toHow Many Pavers Do I Need? Count Them Right the First TimeDivide your patio area by one paver's area, then add a waste factor for cuts and breakage — the reliable way to order the right number of pavers.How-toHow Much Concrete Do You Need for Fence Posts?Work out the concrete for setting fence posts: hole volume minus the post, converted into bags of ready-mix, with the rule of thumb for hole depth and width.How-toHow Much Sand Do I Need? Volume and Weight Made EasySize a sand order from area and depth: get the volume in cubic yards and the weight in tons for a bedding layer, sandbox or base course.How-toHow Much Topsoil Do I Need? A Simple Volume GuideWork out how much topsoil to order from your area and depth — volume in cubic yards, plus the weight in tons so your delivery arrives right.How-toHow Much Concrete Do You Need?Concrete is measured by volume: length × width × depth. Here's how to work out cubic metres, add for waste, and choose bags or ready-mix.How-toHow to Calculate Pool Volume: A Formula per Shape, and the Depth TrapLength × width × average depth gives 21,065 gallons for a 32 by 16 ft pool. But average depth only means (shallow + deep) ÷ 2 when the floor slopes evenly, and most pools do not. Here is every shape formula and the correction.