# Smart contract gas used increase by 3 point every tx

**URL:** https://forum.tezosagora.org/t/smart-contract-gas-used-increase-by-3-point-every-tx/5513
**Category:** Project Updates
**Created:** [July 10, 2023, 7:36am UTC](https://forum.tezosagora.org/t/smart-contract-gas-used-increase-by-3-point-every-tx/5513 "2023-07-10T07:36:57Z")
**Posts on this page:** 3
**Page:** 1

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### Author: ![chill8ut](https://forum.tezosagora.org/user_avatar/forum.tezosagora.org/chill8ut/32/2022_2.png) [@chill8ut](https://forum.tezosagora.org/u/chill8ut)
#### Post date: [July 10, 2023, 7:36am UTC](https://forum.tezosagora.org/t/smart-contract-gas-used-increase-by-3-point-every-tx/5513/1 "2023-07-10T07:36:58Z")

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Hi.  
Here is my SC [KT1UmL8Z..2kxKpx on tzkt.io](https://tzkt.io/KT1UmL8ZJaB9ErDhvzWtYFMbzyVTAb2kxKpx/operations/)  
I just noticed that every tx gas used increase exactly by 3.  
Is someone having any explication ?  
Thnaks in advance guys.  
Chill8ut.

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### Author: ![rafoo](https://forum.tezosagora.org/letter_avatar_proxy/v4/letter/r/f08c70/32.png) [@rafoo](https://forum.tezosagora.org/u/rafoo)
#### Post date: [July 10, 2023, 2:52pm UTC](https://forum.tezosagora.org/t/smart-contract-gas-used-increase-by-3-point-every-tx/5513/2 "2023-07-10T14:52:17Z")

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The increase in gas cost probably comes from the increase of the size of your contract’s storage.

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### Author: ![chill8ut](https://forum.tezosagora.org/user_avatar/forum.tezosagora.org/chill8ut/32/2022_2.png) [@chill8ut](https://forum.tezosagora.org/u/chill8ut)
#### Post date: [July 10, 2023, 5:39pm UTC](https://forum.tezosagora.org/t/smart-contract-gas-used-increase-by-3-point-every-tx/5513/3 "2023-07-10T17:39:41Z")

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Hey @rafoo , thanks for your answer.