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Milestones and tasks - calculating completion %

  • August 4, 2022
  • 7 replies
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Hello! We are using Airtable for a project plan, where we have one table with tasks and one table with milestones (several tasks are linked to each milestone). We would like to calculate the percentage of tasks completed for each milestone in the milestone table, so we can quickly see that for a specific milestone e.g. 70% of the tasks in the task table have a status of ‘complete’. Thanks in advance for your help!

Best answer by ScottWorld

Hi Adam, thank you so much for putting this together, this is exactly what I’m looking for! Would you mind please sharing the formula you used for the completion % column?


@Emma_Bremner

After creating your formula field with this formula:

{Tasks completed} / {Total tasks}

You will also need to go to the “formatting” tab of that formula field to display your formula results as a percentage, and with the right number of decimal points.

7 replies

TheTimeSavingCo
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Hi Emma, I’ve put something together for you here that should do what you’re looking for

Uses conditionals to get the count of completed tasks and calculates the percentage from there


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  • Author
  • New Participant
  • 2 replies
  • August 4, 2022

Hi Emma, I’ve put something together for you here that should do what you’re looking for

Uses conditionals to get the count of completed tasks and calculates the percentage from there


Hi Adam, thank you so much for putting this together, this is exactly what I’m looking for! Would you mind please sharing the formula you used for the completion % column?


TheTimeSavingCo
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Hi Adam, thank you so much for putting this together, this is exactly what I’m looking for! Would you mind please sharing the formula you used for the completion % column?


Sure, it’s {Tasks completed}/{Total tasks}

For future reference, you can duplicate a base to get all the formulas too!

Glad I could help!


ScottWorld
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  • Genius
  • 9808 replies
  • Answer
  • August 4, 2022

Hi Adam, thank you so much for putting this together, this is exactly what I’m looking for! Would you mind please sharing the formula you used for the completion % column?


@Emma_Bremner

After creating your formula field with this formula:

{Tasks completed} / {Total tasks}

You will also need to go to the “formatting” tab of that formula field to display your formula results as a percentage, and with the right number of decimal points.


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  • Author
  • New Participant
  • 2 replies
  • August 4, 2022

@Adam_TheTimeSavingCo and @ScottWorld brilliant, thank you both very much!


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  • New Participant
  • 1 reply
  • January 11, 2023

Hi there, I need the exact same thing!

I created my Milestones on the same table as my Tasks, using the Gantt view, and then linked each task to its corresponding Milestone by using a linked field. 

From reading above, it sounds like I should NOT use the Milestones on the Gantt view and should create another table with Milestones and link from there. Is that correct? 

 


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  • New Participant
  • 1 reply
  • November 28, 2024

Hey there, this is exactly what I was looking for as well. But how did you calculate the total tasks and completed tasks? I also don't have the tasks in one row/field but have every tasks in a different row. How would it be possible then? 

Thanks!