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Solo 401k Calculator

ChatGPT plugin

Calculate solo 401k limits

View in ChatGPT directory
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Movement

From our daily snapshots over the last 30 days.

Rank by placement

#2638of 6,02227places down24h156places down7d
#447#1,045#1,643#2,241Sep 13Sep 19Sep 25Oct 1Oct 7Oct 12

Rank in Finance

#281of 5203places down24h14places down7d
#231#245#259#273Sep 13Sep 19Sep 25Oct 1Oct 7Oct 12

In its category

How this plugin compares with others in the same category. Positions are counted within the category, not across the whole directory.

Finance281st of 520 by placement
#PluginPosition7d
278Monito#263169places down
279facturillo#2633147places down
280Antevo Executive Brief#2637101places up
281Solo 401k CalculatorThis page#2638156places down
282Per Diem#2648158places down
283Moody's Growth and Strategy#266082places up
284Finom#2668212places up

All 520 Finance plugins

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.

Screenshots

  • Solo 401k Calculator screenshot

Example prompts

  • “I'm 55 with an S-Corp that paid me $120k. How Much can I contribute?”
Categories
Made by
Shore District Software LLC · Website
Sign-in
On Install
Availability
Available
Version
2.0.0
Created
June 4, 2026
More info