Hi queen driver, Many newly self-employed people are surprised at their tax bills at the end of the year because they notice they're suddenly paying a lot more in tax as a self-employed person than as an employee. That's because they're carrying the full burden of paying for their Social Security and Medicare.
Here is a great resource with an example of calculating your self employment taxes,
https://turbotax.intuit.com/tax-tips/self-employment-taxes/the-self-employment-tax/L8xXjolB4
Also be sure to keep track of all your business expenses, as that will lower your business profit, and lower your taxable income.
https://blog.turbotax.intuit.com/self-employed/i-work-for-a-rideshare-company-how-can-i-get-my-biggest-tax-refund-42235/
I hope you find this helpful!