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Owner Retirement Plan Comparer

See how much a Solo 401(k), SEP IRA, or SIMPLE IRA lets you save this year.

How you're paid
Your age this year

Highest possible 2026 contribution

$46,804

with a Solo 401(k)

Solo 401(k)$46,804

Employee deferral plus employer profit sharing. Owners and spouses only.

SEP IRA$22,304

Employer contribution only. Simple to open; must cover eligible employees at the same %.

SIMPLE IRA$20,346

Lower limits, assumes a 3% match. Works for teams up to 100.

2026 limits: 401(k) deferral $24,500 (catch-up $8,000 at 50+, $11,250 at 60 to 63), SIMPLE $17,000 (catch-up $4,000 or $5,250), total additions $72,000, compensation counted up to $360,000. For the self-employed, contributions are based on profit minus half of self-employment tax (about $8,478 here). Plans with employees must cover them too. Estimates only; confirm with a tax professional.

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