Calculator
Retirement Contribution Calculator
Estimate the monthly contribution needed to work toward a target retirement savings amount.
Result
Estimated monthly contribution needed
$1,089.66
Savings gap
$503,469.33
Projected current savings
$496,530.67
How to use this calculator
What this calculator does
Estimate the monthly contribution needed to work toward a target retirement savings amount.
How to use it
Enter your target retirement savings, current savings, years to retirement, and annual return, then review the result, formula, example, and FAQs below. Try a few scenarios to see which inputs move the result most.
What the result means
Use the result as a direct calculation from the values you entered. If it looks off, check the inputs and formula shown on this page.
Browse more retirement calculators for related estimates and comparisons.
Retirement results are estimates for planning and education. They are not financial advice and do not account for every market, tax, fee, inflation, pension, health, benefit-timing, or personal factor.
Scenario guidance
When to use this
Use this when you have a target retirement balance and want a rough monthly savings target based on time and return assumptions.
Example scenario
A saver wants to know whether their current monthly contribution is close to the amount needed for a long-term retirement target.
Inputs that usually matter most
- Target retirement savings, because it defines the end goal.
- Current savings, which reduces the amount still needed if it grows over time.
- Years to retirement, because more time can lower the required monthly contribution.
Common mistake to avoid
Do not ignore inflation or taxes when choosing the target amount; a nominal target may not buy the same lifestyle in the future.
How to interpret the result
Use the monthly contribution estimate as a planning benchmark, then test conservative return assumptions and review contribution limits separately.
Results are estimates for planning and education. They are not financial advice.
Formula
The calculator projects current savings forward, subtracts that from the target, then estimates the monthly contribution needed to close the remaining gap.
Example contribution target
A $1,000,000 target, $150,000 already saved, 20 years, and a 6% annual return requires about $1,160 per month in this estimate.
Frequently Asked Questions
What if my current savings already reach the target after growth?
The calculator shows a monthly contribution need of $0 when projected current savings meet or exceed the target.
Does this include retirement account contribution limits?
No. Check current account limits, taxes, employer rules, and local regulations separately.
Related Calculators
Retirement Savings Projection Calculator
Project how current retirement savings and monthly contributions could grow under a stated return assumption.
Savings Goal Calculator
Estimate the monthly deposit needed to reach a target savings amount by a chosen date, including a simple interest-rate assumption when relevant.
Compound Interest Calculator
Project how a starting balance may grow over time when interest or returns compound, and test how rate, time, and compounding frequency change the ending estimate.