A familiar situation
If you are weighing a Roth IRA contribution plan, test how a monthly deposit and assumed return change the balance over time. Contribution eligibility, annual limits and withdrawal rules are not calculated here.
How to use this calculator
- Enter current retirement savings, monthly contribution, assumed annual return and the remaining inputs.
- Select Calculate to see the answer and its breakdown.
- Keep a scenario, change an input and compare the results.
Use consistent units and check the assumptions below before applying the result.
How roth ira is calculated
This balance projection assumes monthly deposits and a constant return. It does not estimate tax eligibility, plan limits, inflation or the timing of withdrawals. Formula: The projection compounds the account balance and contributions at the stated return. Use the displayed details to inspect the intermediate amounts and replace example assumptions with terms from your own quote or records.
The projection compounds the account balance and contributions at the stated return.A $20,000 balance with $300 monthly contributions at 6% for 20 years grows to about $190,000.
Assumptions & useful context
Constant monthly compounding is illustrative; returns vary and the estimate is before taxes, fees and inflation.
Financial projections use your assumptions. Actual returns, lender terms, fees and tax rules can differ; these results do not guarantee a future outcome.
Frequently asked questions
Roth IRA Calculator: what does the result include?
No. Limits and eligibility depend on the plan, tax year and personal circumstances. Enter a contribution that matches the scenario you want to examine.
Roth IRA Calculator: which assumptions matter most?
No. It is a nominal future balance and does not estimate taxes at withdrawal or the purchasing power of that balance.