Estimate Social Security and Medicare portions
Use this page together with the calculator on the home page. Keep records, confirm assumptions, and review official IRS guidance before making payment decisions.
1099 tax planning
Self-employment tax calculator
Self-employment tax generally includes Social Security and Medicare portions. This estimator uses a planning model and lets you edit the wage base assumption.
Account for W-2 wages in the Social Security cap estimate
Use this page together with the calculator on the home page. Keep records, confirm assumptions, and review official IRS guidance before making payment decisions.
Separate self-employment tax from income tax reserves
Use this page together with the calculator on the home page. Keep records, confirm assumptions, and review official IRS guidance before making payment decisions.
Run the calculator with your own numbers
Return to the main calculator to estimate quarterly reserves and create a checklist for your work type.