401k Maximum Contribution 2024 Calculator App. The 401(k) contribution limit for 2024 is $23,000. Those 50 and older can contribute an additional $7,500.

Please note that this calculator is only intended for sole proprietors (or llcs taxed as such). Our 401k retirement calculator allows for precise projections of your 401(k) balance, factoring in critical elements like age, salary, personal contributions, employer matching,.