> For the complete documentation index, see [llms.txt](https://help.besmart.software/be.smart-site-management/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://help.besmart.software/be.smart-site-management/getting-started/project-set-up-in-site-management/site-management-project-configuration/measurement.md). # Measurement Measurement section has two options; units and measurement method.

Measurement section in configuration

There are four systems of units, that user can choose from * International (SI) * aka. metric system, which is being used as a default * United States customary * United States survey * British Imperial For measurement method there are two options * Euclidean * Used as a default, very accurate on smaller scales, but becomes less accurate when further away * Spherical * Mean radius of the Earth is used for the calculation, making it more accurate when measuring long distances, but less accurate on the local levels