Measurement & Conversion Calculators
Handle every site measurement with our free conversion calculators. Add and subtract feet and inches, convert inch fractions to decimals and millimetres, work out scale for drawings and models, and switch between linear feet, square feet and cubic feet.
You can also check a layout is square with the 3-4-5 method and convert slope between percentage, angle and ratio. Each tool supports both metric and imperial units to take the guesswork out of measuring and converting on the job.
Conversions Calculators(7)
Feet and Inches Calculator
Add, subtract and convert feet and inches measurements, with results in decimal feet, inches, centimetres and metres.
Inch Fraction Calculator
Convert between inch fractions, decimal inches and millimetres, with the nearest fraction to any decimal or metric value.
Scale Calculator
Convert between real size and scaled size for models, drawings and maps using any scale ratio such as 1:50 or 1:100.
Linear Feet Calculator
Convert between linear feet and square feet using the material width, for flooring, decking, fencing and boards.
Square Feet to Cubic Feet Calculator
Convert an area in square feet to a volume in cubic feet and cubic yards using the depth or height of the material.
Squaring Calculator
Check whether a layout is square using the 3-4-5 method and diagonal measurements for foundations, decks and walls.
Slope & Grade Calculator
Convert between slope as a percentage, angle in degrees, ratio and rise over run for drainage, ramps and ground works.