Common principles
Traffic, moisture, substrate, lifecycle and maintenance matter everywhere.
U.S. examples
This site uses U.S. terminology and USD defaults because the U.S. is the primary reference market.
International use
Metric units and local quote inputs make calculators usable elsewhere.
Local compliance
Use the accessibility, building, fire, workplace and environmental requirements that apply where the project is located.
Commercial flooring decisions depend on the actual substrate, moisture conditions, traffic, cleaning regime, accessibility requirements, fire/building rules, manufacturer instructions and local code. This site is for planning and comparison, not installation instructions.