# Keep subplot height at a constant height
**URL:** https://community.plotly.com/t/keep-subplot-height-at-a-constant-height/32830
**Category:** plotly.js
**Created:** [December 20, 2019, 10:22am UTC](https://community.plotly.com/t/keep-subplot-height-at-a-constant-height/32830 "2019-12-20T10:22:58Z")
**Posts on this page:** 5
**Page:** 1
### Author:  [@Zolotoy](https://community.plotly.com/u/Zolotoy)
#### Post date: [December 20, 2019, 10:22am UTC](https://community.plotly.com/t/keep-subplot-height-at-a-constant-height/32830/1 "2019-12-20T10:22:58Z")
I have a chart with a small subplot on the top of the chart. I am adding more subplots to the bottom of the chart and I increase the total height of the chart. When I do that the top subplot gets taller too. How can I keep it at the same height?
Thanks
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### Author:  [@archmoj](https://community.plotly.com/u/archmoj)
#### Post date: [December 24, 2019, 3:24pm UTC](https://community.plotly.com/t/keep-subplot-height-at-a-constant-height/32830/2 "2019-12-24T15:24:48Z")
You could compute y domain.
Here is [demo](https://codepen.io/MojtabaSamimi/pen/MWYoKgK?editors=0010).
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### Author:  [@Zolotoy](https://community.plotly.com/u/Zolotoy)
#### Post date: [December 24, 2019, 4:13pm UTC](https://community.plotly.com/t/keep-subplot-height-at-a-constant-height/32830/3 "2019-12-24T16:13:36Z")
Dont see a subplot in your example.
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### Author:  [@archmoj](https://community.plotly.com/u/archmoj)
#### Post date: [December 24, 2019, 4:47pm UTC](https://community.plotly.com/t/keep-subplot-height-at-a-constant-height/32830/4 "2019-12-24T16:47:31Z")
The demo is on a subplot with Cartesian `xaxis` and `yaxis` axes.
Noting that some traces such as `pie` have different domain setup,
could you please share a codepen of the graph you are trying to draw?
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### Author:  [@Zolotoy](https://community.plotly.com/u/Zolotoy)
#### Post date: [December 24, 2019, 8:25pm UTC](https://community.plotly.com/t/keep-subplot-height-at-a-constant-height/32830/5 "2019-12-24T20:25:24Z")
Yes, probably, it is possible to have an algorithm that would calculate all possible combinations of plots/subplots but I thought there is something like ‘paper’ for shapes to keep constant height.