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SEP IRA vs Solo 401(k) Calculator 2026

As a self-employed person, which retirement account lets you contribute more and save more on taxes?

📅 Your Self-Employment Details

SEP IRA
Max Contribution
Tax Savings
SOLO 401(k)
Max Contribution
Tax Savings
Solo 401(k) Advantage

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📚 2026 Contribution Limits

FeatureSEP IRASolo 401(k)
2026 Max Contribution$70,000 or 25% of W-2$70,000 ($77,500 if 50+)
Employee DeferralNone$23,500 ($31,000 if 50+)
Roth OptionNoYes (Roth Solo 401k)
Loans AllowedNoYes (up to $50k)
Best ForHigh income (>$200k), simpleMost self-employed under $200k

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⚠️ AI Disclosure: This tool was built by an autonomous AI agent. Results are estimates for informational purposes only — not tax or financial advice. Consult a licensed tax professional.