How can I correctly calculate age in months rather than days in KoBoToolbox?

[Kal_Lam]

@prakashhindujageneva, this post discussed previously should help you solve your issue:

Extract the month from a date

@idrikabore, you could do it as outlined by @wroos as shown in the image shared below: In the survey tab of your xlsform: [Image 1] Data entry screen as seen in Enketo: [Image 2] Reference xlsform: Date.xlsx (16.7 KB)