# A few questions about database conversions **URL:** \ **Category:** User Support\ **Created:** [June 28, 2024, 8:35am UTC](https://openmc.discourse.group/t/a-few-questions-about-database-conversions/4474 "2024-06-28T08:35:25Z")\ **Posts on this page:** 3\ **Page:** 1
**Author:** ![cro](https://avatars.discourse-cdn.com/v4/letter/c/e5b9ba/32.png) [@cro](https://openmc.discourse.group/u/cro)\ **Post date:** [June 28, 2024, 8:35am UTC](https://openmc.discourse.group/t/a-few-questions-about-database-conversions/4474/1 "2024-06-28T08:35:25Z")
[ACE Libraries | Nuclear Data (lanl.gov)](https://nucleardata.lanl.gov/ace/) 1. can any of the databases on that website be converted to the h5 format required by openmc? 2. how should I read the specifics and format specifications of each ace database? and how do I specify the format of the databases needed by openmc? 3. is there a convenient way to do any conversion from ace format to h5 format? ---
**Author:** ![system](https://global.discourse-cdn.com/free1/uploads/openmc/original/1X/ebc37031ddc68ba40defe44dce07082d48565c47.png) [@system](https://openmc.discourse.group/u/system)\ **Post date:** [July 4, 2024, 2:18am UTC](https://openmc.discourse.group/t/a-few-questions-about-database-conversions/4474/2 "2024-07-04T02:18:03Z")
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**Author:** ![system](https://global.discourse-cdn.com/free1/uploads/openmc/original/1X/ebc37031ddc68ba40defe44dce07082d48565c47.png) [@system](https://openmc.discourse.group/u/system)\ **Post date:** [July 4, 2024, 4:30am UTC](https://openmc.discourse.group/t/a-few-questions-about-database-conversions/4474/3 "2024-07-04T04:30:39Z")