My concern is to know and automatically see the area in hectares of the field after taking the polygon

[peter243722]

Bonjour cher tous, je suis Peter Komfo, suis nouveau dans ce label. Alors mon souci est de savoir et voir automatiquement la superficie en hectares du champ après la prise de polygone sur l’application Kobocollect. Merci d’avance pour votre retour favorable. Cordialement Peter Komfo

[Kal_Lam]

Welcome to the community, @peter243722! This post discussed previously should help you solve your issue:

Adding multiple areas in KoBoToolbox

@carlos_diaz1978, maybe you could do it as outlined in the image shared below: In the survey tab of your xlsform: [Image 1] Data entry screen as seen in Enketo: [Image 2] Data entry screen as seen in Enketo: [Image 3] Reference xlsform: Area Calculation.xls (27 KB)