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Jewson material calculators

Building material calculators

Material calculators

We have developed calculators to help you budget and plan your next job, with confidence. Using dimensions and specifications, we'll give you an estimate for your job. And they're free to use! If you'd like further information, you can contact our Self Build team on 0800 032 8968, or at

Bricks and blocks
Based on wall and brick size. We can also take into account mortar measurements.
Use brick calculator 

See how many tiles you need based on the size of the area. 
Use tile calculator

Loft insulation
Calculate how many rolls you need based on loft size.
Use loft insulation calculator

Find out how many slabs you need based on area and slab size.
Use paving calculator

Project Estimating with Build Aviator

Need help with a larger project?

Try our project estimating service, powered by Build Aviator. 

Our estimating service takes the hassle out of pricing up a job. We will price up the work based on the drawings and information you have sent to us, and turn it into a comprehensive report for you and your client. Prices start from £90+ VAT and are fully Local Authority Building Control (LABC) compliant. 

Find out more