SEP-IRA limit, not self-IRA, can you google:

How much can I contribute to my SEP? The contributions you make to each employee's SEP-IRA each year cannot exceed the lesser of: 25% of compensation, or. $66,000 for 2023 ($61,000 for 2022; $58,000 for 2021; $57,000 for 2020 and subject to annual cost-of-living adjustments for later years).

 

 

https://www.irs.gov/retirement-plans/retirement-plans-faqs-regarding-seps#:~:text=How%20much%20can%20I%20contribute,living%20adjustments%20for%20later%20years).?