2024 401k Contribution Limit Calculator Online. The 401 (k) contribution limit is the maximum amount an individual can contribute to their 401 (k) retirement account in a calendar year without facing tax penalties. Smartasset’s 401(k) calculator can help you figure out how much you will accumulate in your retirement account based on your annual contribution, your employer’s matches and the anticipated rate of return.

In 2024, the individual contribution limit is $23,000, while the combined contribution limit for employees and employers is $69,000. The limit on employer and employee contributions is $69,000.