Free Tax Calculators

Self-Employed Retirement Contribution Calculator

Compare a SEP-IRA contribution with a solo 401(k) contribution from the same self-employment profit.

2025 limits follow Notice 2024-80. 2026 limits follow Notice 2025-67. 2027 reuses the 2026 limits and is labeled unofficial.

Leave blank to use the maximum deferral.

Estimate

$43,087.04

Net earnings after half of self-employment tax
$92,935.22
SEP-IRA employer contribution
$18,587.04
Solo 401(k) employer contribution
$18,587.04
Solo 401(k) deferral
$24,500.00
Solo 401(k) catch-up
$0.00
Solo 401(k) total
$43,087.04
  • This estimate is calculated in your browser and is not sent to a server.
  • 2026 limits follow Notice 2025-67.

Limits of this estimate

  • This is for an owner with no employees.
  • A 2027 result is not an official 2027 limit.
  • This is educational information, not tax, legal, or accounting advice, and it does not file a return.

Sources