Accessible housing design
Confirm applicable edition and jurisdiction. Gradient geometry alone does not establish accessible ramp compliance.
General building tools & calculators
3 tools to prepare measurements, estimate quantities and plan your next conversation with a trade professional.
General building
Printed plan scale conversion
Convert a measured paper distance using the printed ratio.
Open calculator General buildingTriangle & trapezoid area
Calculate a measured trapezoid or triangle using parallel bases.
Open calculator General buildingCircle area & perimeter
Measure circular coverage for garden, flooring and site planning.
Open calculatorPrepare your measurements
Use approved dimensioned plans or verified site measurements. Check units, scale and perpendicular distances.
Confirm before you commit
Confirm quantities against a detailed take-off, project drawings and trade-specific requirements.
Blocklayer geometry directory