# Sum values of a area diagram

**URL:** https://discuss.elastic.co/t/sum-values-of-a-area-diagram/69362
**Category:** Kibana
**Created:** [December 18, 2016, 5:27pm UTC](https://discuss.elastic.co/t/sum-values-of-a-area-diagram/69362 "2016-12-18T17:27:44Z")
**Posts on this page:** 3
**Page:** 1

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### Author: ![berra](https://avatars.discourse-cdn.com/v4/letter/b/ba8739/32.png) [@berra](https://discuss.elastic.co/u/berra)
#### Post date: [December 18, 2016, 5:27pm UTC](https://discuss.elastic.co/t/sum-values-of-a-area-diagram/69362/1 "2016-12-18T17:27:44Z")

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Hi,

I have a question if it is possible to sum(A+B+C) graph Y-axis values in a stacked area chart and display it in the tool tip? If so, how?

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### Author: ![Bargs](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/bargs/32/5429_2.png) [@Bargs](https://discuss.elastic.co/u/Bargs)
#### Post date: [December 19, 2016, 10:30pm UTC](https://discuss.elastic.co/t/sum-values-of-a-area-diagram/69362/2 "2016-12-19T22:30:30Z")

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Not with the basic area chart, but you could accomplish this with Timelion using the `sum` function. Here's an example

 ![](https://us1.discourse-cdn.com/elastic/original/2X/7/7ea5718d0a56ef66f2ef7b4d53a6523b36bd4878.png)

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### Author: ![system](https://us1.discourse-cdn.com/elastic/original/3X/1/a/1ac57faf039f6b580b3f104ef42a2a89e41014de.png) [@system](https://discuss.elastic.co/u/system)
#### Post date: [January 16, 2017, 10:30pm UTC](https://discuss.elastic.co/t/sum-values-of-a-area-diagram/69362/3 "2017-01-16T22:30:44Z")

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