Example Data Table
| Scenario |
Age |
Balance |
Salary |
Contribution |
Match |
Return |
| Conservative saver |
40 |
$60,000 |
$70,000 |
6% |
50% up to 4% |
5% |
| Balanced saver |
35 |
$45,000 |
$72,000 |
8% |
50% up to 6% |
7% |
| Aggressive saver |
30 |
$25,000 |
$85,000 |
12% |
100% up to 5% |
8% |
Formula Used
The calculator applies yearly contributions, employer match, loan repayments, investment growth, and fee drag. It separates pre tax and Roth balances for better tax estimates.
- Employee contribution: Salary × contribution rate, limited by the chosen deferral cap.
- Employer match: Salary × matched salary percentage × employer match rate.
- Net growth rate: Expected annual return − annual fee percentage.
- Ending balance: Starting balance plus contributions, match, repayments, and net growth.
- Inflation adjusted balance: Future balance ÷ (1 + inflation rate)years.
- After tax income: Gross withdrawal − estimated tax on pre tax withdrawals.
How to Use This Calculator
- Enter your current age, retirement age, balance, and salary.
- Add your contribution rate and expected yearly increases.
- Enter the employer match rules from your plan documents.
- Adjust expected return, fees, inflation, and tax rates.
- Add loan details only when you currently have a plan loan.
- Press the calculate button to view the result above the form.
- Use the CSV or PDF buttons to save your projection.
Planning With a John Hancock 401k Calculator
Why Projection Matters
A 401k plan can grow slowly at first. Then compounding can become powerful. This calculator helps you see that pattern clearly. It combines salary, savings rate, match rules, fees, and taxes. You can test several retirement paths before making changes. The tool is useful for John Hancock workplace plan users and other savers with similar plan rules.
Contribution Strategy
Your contribution rate is one of the largest drivers. A small increase can create a large difference over time. The yearly increase field models automatic escalation. This is helpful when you want to save more without a sudden budget shock. The cap fields also let you model plan or legal contribution limits.
Employer Match Impact
Employer match can be valuable. It is often based on your salary and contribution rate. For example, a plan may match half of your contributions up to a salary limit. The calculator estimates that match each year. It also grows salary before future calculations, so later matches can rise with income.
Fees, Taxes, and Roth Savings
Fees reduce long term growth. Even a small fee can matter over many years. This page separates expected return from annual fees. It also separates pre tax and Roth balances. That makes the after tax income estimate more useful. Pre tax withdrawals are taxed in the model. Roth withdrawals are treated as tax free for planning purposes.
Retirement Income View
The withdrawal section estimates first year retirement income. It also runs a payout simulation for your selected retirement years. Withdrawals rise with inflation in the model. The result shows whether money may remain or become depleted. This is only a planning estimate. Actual returns, taxes, plan rules, and market timing can change the final outcome.
FAQs
1. Is this calculator officially connected to John Hancock?
No. It is an independent planning tool. It can model common 401k inputs used by workplace plans, including contribution rates, employer match, fees, Roth share, and withdrawals.
2. What does the employer match field mean?
It represents the percentage your employer contributes against your eligible contribution. For example, 50% means the employer adds fifty cents for each matched dollar you contribute.
3. Why is my contribution capped?
The calculator includes an editable deferral cap. This helps model plan limits or annual contribution limits. You can change the cap to match your current plan documents.
4. How are Roth contributions handled?
The Roth contribution percentage sends part of your employee contribution to a Roth balance. The calculator treats Roth retirement withdrawals as tax free for estimated income.
5. Are employer match contributions treated as Roth?
No. This calculator treats employer match as pre tax money. Many plans handle employer contributions that way, but you should review your own plan rules.
6. What does annual fee percentage include?
Use this field for plan fees, investment expense ratios, and other annual costs. The calculator subtracts this rate from expected annual return.
7. Can I use this for retirement income planning?
Yes. The withdrawal section estimates first year income and a longer payout period. It should be used for planning, not as guaranteed financial advice.
8. Why are CSV and PDF downloads included?
CSV helps you review the projection in a spreadsheet. PDF gives you a simple report that can be saved, printed, or shared.