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//// Financial · Retirement

401(k) Contribution Optimizer

Are you leaving employer match money on the table? Enter your salary, match terms, and tax rate to find your optimal contribution — and see projected balance across current, match-max, 15%, and IRS-max scenarios.

401(k) Limit 2024$23,000
Roth IRA Limit$7,000
S&P 500 Avg Return~10%/yr

You're capturing your full employer match

$5,100/year in employer contributions — consider increasing to 15% or the IRS max to accelerate growth.

Your 401(k) Profile

Account Type

Contributions reduce taxable income now; taxed at withdrawal.

Your Contribution6%
= $5,100/year
0%50%
Marginal Tax Rate (for tax savings)
Projected Balance
$1.3M
At age 65
Monthly Income
$4,375
4% rule at retirement
Tax Savings / Year
$1,122
At 22% marginal rate
Your Monthly Cost
$332
After tax savings

Contribution Scenarios

ScenarioYour AnnualWith MatchProjected Balance
Current (6%)$5,100$10,200$1.3M
Match max (6%)$5,100$10,200$1.3M
15% (recommended)$12,750$17,850$2.3M
IRS max ($23k)$23,000$28,100$3.6M

Assumes 7.0% annual return over 33 years. 4% safe withdrawal rate for monthly income.

Annual Contribution Breakdown

Your contribution (6.0%)$5,100
Employer match+ $5,100
Tax savings (22% bracket)$1,122
Total going to work for you$10,200/yr
Effective out-of-pocket$332/mo