← Guides · November 10, 2026

Quarterly Estimated Tax Checklist for Freelancers

When no employer withholds tax for you, the habit is yours to build. This checklist keeps quarterly payments predictable.

Every time you get paid

  • Move a fixed percentage into a separate savings account right away. Many freelancers start around 25-30% and adjust after a first estimate.
  • Record the invoice, date and client in one place.

Every month

  • Total income and deductible business expenses.
  • Compare actual profit to what you expected. Taxes follow profit, not revenue.

Before each quarterly deadline

  1. Add up net profit for the period.
  2. Estimate self-employment tax (Social Security and Medicare for the self-employed) plus income tax.
  3. Check the safe-harbor rules: paying a required share of last year’s tax or of this year’s tax can avoid underpayment penalties. Confirm current thresholds with the tax authority or a professional.
  4. Pay and keep the confirmation.

Example

If you net $6,000 in a quarter and set aside 28%, that is $1,680 waiting in the tax account. If the estimate says you owe less, you keep the cushion.

Common mistakes

  • Spending the tax money because it sits in the main account.
  • Forgetting state or local taxes.
  • Skipping a quarter after a slow month.

This is general information, not tax advice. Use the calculator for an estimate, then confirm with a professional.

1099 & Self-Employment Tax Calculator →