Construction Material Calculators

Work out exactly how much paint, tiles, wallpaper, concrete, or aggregate you need for your project. Free, accurate, UK-focused.

Choose Your Calculator

Paint Coverage

Calculate how many litres of paint you need for walls, ceilings, or woodwork.

Calculate Paint

Tile Coverage

Work out how many tiles and boxes you need for floors or walls.

Calculate Tiles

Wallpaper Calculator

Calculate how many rolls of wallpaper you need for any room.

Calculate Wallpaper

Concrete Calculator

Work out cubic metres and bags needed for slabs, footings, or posts.

Calculate Concrete

Aggregate Calculator

Calculate tonnes of MOT Type 1, hardcore, or gravel for your base.

Calculate Aggregate

How It Works

CoverCalc provides free, accurate material quantity calculators for UK construction and DIY projects. Each calculator uses industry-standard coverage rates and includes built-in wastage allowances.

Why Use CoverCalc?

  • Save money by ordering the right amount first time
  • UK-focused with metric measurements and local product standards
  • Trade-accurate constants from manufacturer specifications
  • Free forever with no registration required

All calculators provide estimates for planning purposes. Material requirements can vary based on surface condition, application method, and product type. Always buy slightly more than calculated to account for cuts, wastage, and variations.