Regional calculator directories
Choose your country
Open the calculator directory for your location. Each version uses the appropriate currency, default measurement system, terminology, product defaults, regional assumptions, and available local pricing data.
United States
USD · Imperial units
Browse tools →United Kingdom
GBP · Metric units
Browse tools →Canada
CAD · Metric and imperial units
Browse tools →Australia
AUD · Metric units
Browse tools →India
INR · Metric units
Browse tools →Choose the country where the project is located so material sizes, currencies, terminology, and supported cost assumptions match the project as closely as possible. Country selection does not verify structural design, permits, or local building-code compliance.
Universal tools
Calculators that work everywhere
These tools use project measurements rather than regional price assumptions, so one calculator works in every country.