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Solo 401(k) Contribution Calculator
Estimate your employee deferral, employer contribution and total annual contribution based on your age, compensation and business type. Runs on its own dedicated page with the full explanation of how the limits work.
Solo 401(k) Projection Calculator
Project your Solo 401(k) growth and retirement savings.
Projects an account balance over time using assumptions you choose, such as contributions and a hypothetical growth rate.
2024 limit: $69,000 (or $76,500 with catch-up)
Projected Balance at 65
$3,455,752
Total Growth
$2,505,752
Investment gains over 30 years
Total Contributions
$950,000
Your investment over time
Outputs are educational estimates only. They depend entirely on the assumptions you enter, do not reflect fees, taxes or market performance, and are not a projection of your actual results. Your contribution limit depends on your age, compensation, entity type and plan terms. Confirm any figure with your own tax adviser before acting on it.
Last reviewed September 2026. Figures are from the IRS and depend on your individual facts. See the IRS 2026 limits.
Want help interpreting a result? Get in touch or start an application.
Reading that explains these numbers
Contribution limits and planning
How much can go in, when it has to go in, and how it affects your tax picture.
Loans, distributions and required minimum distributions
Taking money out, borrowing from the plan, and what happens later in life.