Measurements
Units and measurement systems
Brick & Block Quantity Estimator
Estimate bricks or blocks for rectangular wall faces with openings, mortar joints, waste and optional full-pack quantities.
Concrete Volume & Material Estimator
Estimate slab, beam, column or cylinder concrete volume with a separate order allowance. Optional material quantities use your own dry-volume recipe.
Feet & Inches ↔ Metric Converter
Convert feet and inches to metres, centimetres and millimetres, or convert metric lengths back to normalized feet and inches.
Land Plot Area Calculator — Perches, Acres & Square Feet
Calculate rectangular, triangular, trapezoidal or irregular polygon plot area from measured lengths or coordinates, with perches, acres and square metres.
Sri Lanka Land Unit Converter — Perches, Acres & Roods
Convert Sri Lankan land areas between perches, roods, acres, square feet, square metres, hectares, cents and deed-style A–R–P notation.
Floor Tile Quantity & Box Calculator
Estimate floor tiles and full boxes for multiple rectangular rooms, with area deductions, tile dimensions and a chosen waste allowance.