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Solo 401(k) Contribution Calculator 2026

Freelancers can contribute up to $70,000/year to a Solo 401(k) and deduct every dollar.

💸 Calculate Your Max Contribution

Employee Elective Deferral
Employer Profit-Sharing
Total Max Solo 401(k) Contribution
Federal Tax Savings
Total Tax Savings (fed+state)

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Fidelity and Vanguard offer free Solo 401(k) accounts with no annual fees.

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📚 2026 Solo 401(k) Limits

Employee deferral limit: $23,500 ($31,000 if 50+)

Employer contribution: Up to 25% of net self-employment income

Combined max: $70,000 ($77,500 if 50+)

Deadline: December 31 for employee deferrals; tax filing deadline for employer contributions.

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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.