Patio Calculator

Calculate How Much Patio Paving You Need

Planning a new patio, garden seating area or outdoor entertaining space? Our free Patio Calculator makes it easy to work out how many paving slabs you’ll need before placing your order. Simply select your paving slab size or enter the slab dimensions, then input the length and width of your patio to receive an instant estimate. This helps you order the correct quantity while reducing waste and unnecessary costs.

Whether you’re laying a small garden patio or creating a large outdoor living area, our calculator provides a quick and reliable estimate for a wide range of paving slabs.

Suitable for a Wide Range of Patio Paving

Our Patio Calculator can be used with many popular paving products, including concrete paving slabs, porcelain paving and natural stone. Simply select your paving slab or enter its dimensions, add the measurements of your patio area, and we’ll estimate the number of slabs required to complete your project.

Select your paving slab or enter its dimensions, then enter the total patio area and desired joint width. We'll calculate the number of paving slabs and the amount of jointing compound required for your project.

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We recommend allowing an extra 10% for wastage and uneven joints.

Need advice? Our helpful team is here until