Jointing Calculator
Calculate How Much Jointing Compound You Need
Planning to finish a new patio or paved area? Our free Jointing Calculator makes it easy to estimate how much jointing compound you’ll need before placing your order. Simply enter your paving dimensions, slab size, slab thickness and joint width to receive an instant estimate, helping you order the correct quantity while reducing waste and unnecessary costs.
Whether you’re laying a new patio or repointing existing paving, our calculator provides fast and reliable estimates to help you complete your project with confidence.
Suitable for a Wide Range of Paving Projects
Our Jointing Calculator can be used with natural stone paving, concrete paving slabs, porcelain paving and block paving. Simply select your paving type or enter your slab dimensions, add the total paved area and joint width, and we’ll estimate how much jointing compound you’ll need to complete the job.
We recommend allowing an extra 10% for wastage and uneven joints.
Jointing Product Recommendations

Easyjoint Select 12.5Kg
£30.95 - 30.95 ex. VAT
£37.14 - £37.14 inc. VAT
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Easyjoint 12.5Kg
£28.95 - 30.95 ex. VAT
£34.74 - £37.14 inc. VAT
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Joint Tec 15Kg
£25.95 - 26.95 ex. VAT
£31.14 - £32.34 inc. VAT
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Flowpoint Rapid Set Grout Charcoal 25Kg
£20 ex. VAT
£24.00 inc. VAT
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Flowpoint Rapid Set Grout Natural Grey 25Kg
£20 ex. VAT
£24.00 inc. VAT
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