Skip to main content
Focused proof page

Tax clarity

Self-Employment Tax Calculator as proof.

A focused ShowMath proof page for self-employment tax. See how visible formulas and substitutions make contractor tax math believable.

Best sent when

Send this when someone understands that contractor taxes are higher in theory but wants to see the exact math driving the gap.

Share route

/showmath/examples/self-employment-tax

Situation

A freelancer wants to know what $80,000 of income actually means after self-employment tax.

Why this earns trust

Most people know 1099 taxes feel heavier, but they cannot see the exact employer-plus-employee tax logic that creates the difference.

What becomes visible

  • The 92.35% adjustment before the 15.3% rate applies
  • The Social Security and Medicare logic behind the total tax
  • The deduction created by paying half of that self-employment tax

Formula sketch

Net earnings subject to SE tax = Gross self-employment income ร— 92.35%
SE tax = Net earnings subject to SE tax ร— 15.3%
Half-SE deduction = SE tax รท 2

Other proof routes

Send the proof point that fits the moment.