# What is the maximum size of a Radix transaction?

**URL:** <https://radixtalk.com/t/what-is-the-maximum-size-of-a-radix-transaction/241>\
**Category:** Developers\
**Tags:** faq\
**Created:** [14 January 2022 17:58 UTC](https://radixtalk.com/t/what-is-the-maximum-size-of-a-radix-transaction/241 "2022-01-14T17:58:17Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![Stuart](https://radixtalk.com/letter_avatar_proxy/v4/letter/s/cab0a1/32.png) [@Stuart](https://radixtalk.com/u/Stuart)\
**Post date:** [14 January 2022 17:58 UTC](https://radixtalk.com/t/what-is-the-maximum-size-of-a-radix-transaction/241/1 "2022-01-14T17:58:17Z")

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The maximum user transaction size is [1024 \* 1024 bytes](https://github.com/radixdlt/radixdlt/blob/develop/docs/transaction-specs/specs/validation.md)