UK Brick Sizes & Bricks per Square Metre Explained
Understand the common UK brick format, why bricks-per-square-metre varies and how to use a project-specific rate.
Open →Building measurement & quantity reference library
Short, practical reference pages for the conversions and assumptions that sit behind material estimates.
UK Plasterboard Sheet Sizes & Thicknesses
Common UK board dimensions, thicknesses and nominal m² coverage, with current manufacturer examples and an exact-product check.
Open →Millimetres to Metres Conversion Table for Building Calculations
Quick reference for converting common construction depths and dimensions from mm to metres before area or volume calculations.
Open →Square Metre Conversion Table: m², ft², yd² & Acres
Convert common area units and avoid mixing linear and square measurements.
Open →Cubic Metres Explained: m³, Litres and Cubic Feet
Understand cubic metres and the difference between volume, mass and supplier order units.
Open →Aggregate Bulk Density: Converting m³ to Tonnes
Why aggregate volume cannot be converted to tonnes without a density assumption.
Open →Roof Pitch Area Factors Explained
See why a pitched roof has more surface area than its horizontal plan and how the slope factor changes with pitch.
Open →Tile Sizes & Tiles per Square Metre: Calculation Guide
Calculate tile face area and the theoretical number of tiles per m² before adding cuts and waste.
Open →Paving Slab Coverage: Working Out Slabs per m²
Calculate the nominal area of a paving slab and translate a patio area into a realistic slab quantity.
Open →Material Waste Allowances: A Practical Estimating Reference
How to choose a visible waste or cutting allowance without pretending one percentage suits every building material.
Open →Linear Metres Explained for Timber, Trim and Building Materials
Understand when to estimate in linear metres rather than square metres or cubic metres.
Open →How to Round Building Quantities to Packs, Bags & Stock Lengths
Why the mathematical result is not the same thing as the quantity you can actually buy.
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