When you work a regular job, your employer withholds taxes from every paycheck automatically. Rideshare driving doesn't work that way. As an independent contractor, nothing is withheld from what Uber or Lyft pays you, which means the responsibility for setting money aside and paying it to the IRS on schedule falls entirely on you. This is general information, not tax advice. A tax professional can help you calculate your specific quarterly payments.
Why quarterly, not just once a year
The U.S. tax system is pay-as-you-go. If you expect to owe a meaningful amount at tax time and haven't paid anything toward it during the year, the IRS can charge an underpayment penalty, on top of the tax itself. Quarterly estimated payments are how self-employed people (including rideshare drivers) stay current without a paycheck doing it automatically. Payments are generally due four times a year, roughly in mid-April, mid-June, mid-September, and mid-January of the following year, using IRS Form 1040-ES.
A practical way to think about how much to set aside
There's no single correct percentage that fits every driver, since it depends on your total income, filing status, deductions, and state taxes if your state has them. That said, a common starting point drivers use is setting aside somewhere in the neighborhood of 25 to 30% of net earnings (after deductions, not gross fares) specifically for taxes, then adjusting based on their actual tax bracket once they have a clearer picture. This isn't a rule, it's a starting estimate to keep you from being caught short.
The key word is net, not gross. If you're setting aside a percentage of your 1099-K's gross figure without accounting for deductible expenses (mileage, fees, and everything else covered in DriveLens's tax deductions guide), you're likely setting aside more than you actually need to.
Making it a habit, not a scramble
The drivers who handle this well aren't doing complicated math after every shift. They're setting aside a percentage automatically, moving it to a separate account so it's not sitting in checking looking spendable, and revisiting the estimate once a quarter as their earnings and deductions become clearer. Consistent, accurate shift and earnings records make that quarterly check-in fast instead of a research project, which is exactly the kind of thing DriveLens's automatic shift and earnings tracking is built to support.