Sum custom fields

[Nacrissa vil]

I want Trello to automatically add the sum of custom fields on a card. I want to add daily word counts and sum the totals for a week and then sum the week totals over 12 weeks. Is this possible?

I'm creating this to track my student's book writing progress. Thanks in advance.

[Hannah Humbert - Simpla Workflows · Accepted solution]

Hi @Nacrissa vil ! Welcome to the community :) yes, it's possible to create calculations of custom field values using butler automation. Take a look here under "Custom field arithmetic". 

Alternatively, Dashcards could work! The default is to display the count of cards on the dashcard, but you can also switch this to show a calculation of custom field values held within the cards.

[Nacrissa vil]

Thanks I will try to learn more about Butler Automation. I'm new to Trello and am still learning the platform. I appreciate it!