Target Date Fund Analyzer

Analyze glide path, projected balance, fee impact, and retirement income for target date funds.

Financial Disclaimer

This calculator is for educational purposes only and does not constitute financial advice. Results are estimates based on the inputs provided. Consult a qualified financial advisor before making investment or financial planning decisions.

Inputs

Current age

Retirement age

Fund expense ratio (%)

Current balance ($)

Monthly contribution ($)

Tab to move between fields

Results

Projected balance at retirement ($)

$1,459,978.00

≈ 3 average U.S. homes

Current stock allocation (%)78%

Fee cost vs DIY ($)$40,056.00

Annual retirement income ($)$58,399.00

Monthly retirement income ($)$4,867.00

Effective net return (%)8.5%

How to Use This Calculator

Enter your current age and target retirement age to define the fund's glide path timeline.
Input the fund's expense ratio percentage (check the fund prospectus or a site like Morningstar).
Set your current balance and planned monthly contribution.
Review Projected Balance and Annual/Monthly Retirement Income to see if the fund will fund your retirement.
Check Fee Cost vs DIY to compare the target-date fund's all-in cost against building your own allocation with cheaper index funds.

How the result changes with Retirement age

Retirement age	Projected balance at retirement ($)
57	$636,126.00
62	$1,062,908.00
68	$2,023,501.00
73	$3,567,654.00

What each input means

Current age: Your current age.
Retirement age: Target retirement age.
Fund expense ratio (%): Target date fund expense ratio.
Current balance ($): Current retirement account balance.
Monthly contribution ($): Monthly retirement savings.

What each result means

Current stock allocation (%): Stock percentage based on glide path.
Projected balance at retirement ($): Estimated retirement balance.
Fee cost vs DIY ($): Extra cost compared to DIY index portfolio.
Annual retirement income ($): Income using 4% withdrawal rule.
Monthly retirement income ($): Monthly income in retirement.
Effective net return (%): Expected return after fund fees.

How this is calculated

Worked example, using the default values

Identify Input Parameters
4 parameters
Current age = 35, Retirement age = 65, Fund expense ratio (%) = 0.15, Current balance ($) = 50000 = 5 input(s) provided
Calculate Projected balance at retirement
Projected balance at retirement
1459978 = $1,459,978
Calculate Current stock allocation
Current stock allocation = min(90, max(40, 90 - (90 - 40) * (1 - yearsToRetirement / 40)))
78 = 78%
Calculate Fee cost vs DIY
Fee cost vs DIY = diyProjected - projectedBalance
40056 = $40,056