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Self-Employment Tax Calculator

Social Security + Medicare on self-employed earnings.

Compute the self-employment tax (Social Security + Medicare, both halves) on net self-employment income, including the 92.35% deduction and the 2024 Social Security wage base of $168,600.

Nadia Almasri By Nadia Almasri
Published Last reviewed 1 min read

Inputs

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Results

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How to use this calculator

  1. Fill in the inputs above using the units you already have.
  2. Values update automatically as you type — no submit button needed.
  3. Hover any result row for the underlying formula and intermediate values.

Formula

SE tax = min(net × 0.9235, $168,600) × 12.4% + (net × 0.9235) × 2.9%.

In depth

Compute the self-employment tax (Social Security + Medicare, both halves) on net self-employment income, including the 92.35% deduction and the 2024 Social Security wage base of $168,600.