I'm 55 with an S-Corp that paid me $120k. How Much can I contribute?
Find out your maximum Solo 401(k) contribution in seconds. Enter your income, age, and business type to see employee and employer contribution limits, plus after-tax room for Mega Backdoor Roth. Supports sole proprietorships, LLCs, and S-corps. Updated for 2025 and 2026 limits.
* For educational purposes only. Not financial or tax advice. Consult a professional before making financial decisions.