How can I estimate how much to pay quarterly if I only do UberEats as a sole proprietor?

https://ttlc.intuit.com/questions/1901110-do-i-need-to-make-estimated-tax-payments-to-the-irs

https://turbotax.intuit.com/tax-tools/calculators/self-employed/

Follow the instructions in the links below (in case you have a state return also) and TurboTax will prepare estimated tax payment vouchers for you.   You will need to estimate your 2024 earnings and expenses, and TurboTax will do the math and provide vouchers that you can print.  

Estimate next year's federal taxes

Estimate next year's state taxes