# Units before and after compute\_current\_source\_density

**URL:** <https://mne.discourse.group/t/units-before-and-after-compute-current-source-density/8897>\
**Category:** Support & Discussions\
**Tags:** evoked, csd\
**Created:** [June 3, 2024, 1:20pm UTC](https://mne.discourse.group/t/units-before-and-after-compute-current-source-density/8897 "2024-06-03T13:20:39Z")\
**Posts on this page:** 1\
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**Author:** ![larsoner](https://yyz2.discourse-cdn.com/free1/user_avatar/mne.discourse.group/larsoner/32/3_2.png) [@larsoner](https://mne.discourse.group/u/larsoner)\
**Post date:** [June 21, 2024, 4:02pm UTC](https://mne.discourse.group/t/units-before-and-after-compute-current-source-density/8897/4 "2024-06-21T16:02:34Z")

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All data in MNE should be in SI units so the unit should be V/m^2 I think, and the code seems to suggest so, too:

> <https://github.com/mne-tools/mne-python/blob/2c696d5ca0bc48b44f7916322b0759c760c54f94/mne/preprocessing/_csd.py#L187>

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