Start with annual numbers
Project business profit, wages, investment income, and other items for the full year. For the business, revenue alone is not enough; forecast ordinary and necessary expenses too.
Freelancer tax guide
How to Calculate Estimated Taxes
Project annual income, deductions, income tax, self-employment tax, credits, and withholding using the current Form 1040-ES worksheet.
Estimated tax is a full-return projection, not simply a percentage of freelance revenue. Use current-year rules, incorporate the rest of the household return, then compare the projected balance with the applicable payment requirement.
Calculate the whole return
Apply expected adjustments, deductions, filing status, tax, credits, other taxes, and withholding. Form 1040-ES provides the current worksheet and instructions.
Turn the annual result into payments
Compare the current-year projection with the prior-year safe-harbor calculation, then reduce the required annual payment by expected withholding. Divide or annualize based on your situation and reforecast when facts change.
Questions & answers
Can I calculate payments from revenue alone?
A revenue-only shortcut ignores expenses, other household income, deductions, credits, and withholding, so it can be materially wrong.
What if my income is seasonal?
The annualized-income installment method may match uneven earnings more closely. Review Form 2210 instructions or work with a tax professional.
Official sources
Educational information only. Tax rules and filing details change; verify the filing-year instructions or work with a qualified tax professional.
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