Building Materials

Plasterboard Calculator Sheets with waste diagram
Plasterboard Ceiling Calculator Ceiling sheets, screws & noggings
Plaster Calculator Bags of skim plaster needed
Render Calculator Bags of render for exterior walls
Brick & Block Calculator Bricks, blocks, mortar & wall ties
Mortar Calculator Cement & sand for brickwork & pointing
Screed Calculator Floor screed volume & bags

Interior

Paint Calculator Litres & UK tin sizes for any room
Wallpaper Calculator Rolls with pattern repeat matching
Coving Calculator Lengths, mitre cuts & adhesive

Landscaping

Fence Calculator Panels, posts & postcrete
Close Board Fence Calculator Featheredge boards, arris rails & posts
Patio Calculator The whole job: excavation to jointing
Sub-Base Calculator MOT Type 1 depth, volume & tonnes
Paving Slab Calculator Slabs, bedding & jointing by pattern
Gravel Calculator Volume & weight for paths & drives
Topsoil Calculator Volume, weight & bulk bags for lawns & borders
Decking Calculator Boards, joists & full materials list
Shed Base Calculator Concrete, slabs or timber frame base
About
Building Materials Plasterboard Calculator Plasterboard Ceiling Calculator Plaster Calculator Render Calculator Brick & Block Calculator Mortar Calculator Screed Calculator
Interior Paint Calculator Wallpaper Calculator Coving Calculator
Landscaping Fence Calculator Close Board Fence Calculator Patio Calculator Sub-Base Calculator Paving Slab Calculator Gravel Calculator Topsoil Calculator Decking Calculator Shed Base Calculator
About

Terms of Service

Last updated: 9 September 2026

Use of This Site

CalcTools.uk provides free online construction calculators for estimation purposes. You may use our calculators freely for personal and commercial projects.

Accuracy Disclaimer

Our calculators provide estimates based on standard UK material sizes and typical construction practices. Results should be used as a guide only. Actual material requirements may vary due to:

  • Site conditions and irregularities
  • Specific product dimensions that differ from standard sizes
  • Skill level and cutting technique
  • Waste from damaged or defective materials
  • Local building regulations and requirements

Always consult a qualified professional for structural work and ensure compliance with UK Building Regulations. We are not liable for any losses arising from the use of our calculators.

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Changes to Terms

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