# Measurement

Measurement section has two options; units and measurement method.&#x20;

<figure><img src="https://1605669813-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FqIBa9qorv0XHooVd4ozT%2Fuploads%2FXfYK2Mvd8kGEDLoWq68G%2FConfig_measurement.png?alt=media&#x26;token=afab928e-2eba-4298-964e-485386ca0fa7" alt=""><figcaption><p>Measurement section in configuration</p></figcaption></figure>

There are four systems of units, that user can choose from

* International (SI)&#x20;
  * 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
