Units & Measurements

A homeowner's decoder for the unit notation that shows up on quotes, datasheets, structural engineer's calculations and building regs: what W/mK, kN, N/mm2, C24 and 1:40 actually mean, and where you meet them.

Units & Symbols: A Quick-Reference Decoder for Your Build

Decode the unit notation on UK extension quotes, datasheets, structural calculations and building regs: W/mK, U-values, kN, N/mm2, strength classes, falls, amps, bar and bagged quantities, in plain English.