# Qty for inventory

**URL:** <https://community.glideapps.com/t/qty-for-inventory/6460>\
**Category:** Ask for Help\
**Created:** [April 5, 2020, 4:19pm UTC](https://community.glideapps.com/t/qty-for-inventory/6460 "2020-04-05T16:19:33Z")\
**Posts on this page:** 1\
**Showing post:** 2

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**Author:** ![Robert\_Petitto](https://sea2.discourse-cdn.com/flex002/user_avatar/community.glideapps.com/robert_petitto/32/25193_2.png) [@Robert\_Petitto](https://community.glideapps.com/u/Robert_Petitto)\
**Post date:** [April 5, 2020, 8:25pm UTC](https://community.glideapps.com/t/qty-for-inventory/6460/2 "2020-04-05T20:25:54Z")

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It is possible. I have this functionality in my app  
[itemstore.glideapp.io](http://itemstore.glideapp.io)

Just have to set the initial amount. Then, do a relation to the item name in your sales sheet. Roll up the count and use a math column to subtract the count from the original total.

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