Prorrate membership fee for variable periods

Technical Name:
Tecnativa, Antiun IngenierĂ­a S.L.
  • Odoo Version

Prorrate the membership fee with variable periods

Helper module for making the prorrate correctly when you are dealing with variable periods in your memberships, which functionality is provided by the module membership_variable_period.


This module is auto-installed if you have membership_variable_period and membership_prorrate modules installed.


For leading with variable periods and prorrate, only weekly, monthly or yearly periods are allowed. When you create an invoice with a membership product with variable period, the theoretical period is calculated from the invoice date (or today if empty) as the natural period of the selected unit that includes that date. For example, if the invoice is on the 15th of January and the unit is month, the theoretical period to invoice will be all the month of January.

Known issues / Roadmap

  • Allow to handle periods of months that make the year divisible: 2 months (two-monthly), 3 months (quartely), 4 months (four-monthly) or 6 months (biannual).
  • On weekly memberships, consider the duality sunday/monday start of the week.




Odoo Community Association

This module is maintained by the OCA.

OCA, or the Odoo Community Association, is a nonprofit organization whose mission is to support the collaborative development of Odoo features and promote its widespread use.

To contribute to this module, please visit

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