About the Retirement Calculator
Enter your age, savings and how much you add each month. The calculator grows your savings to retirement, estimates the nest egg needed to fund your desired income for your expected retirement years, and shows any gap.
Also known as: retirement planner, retirement savings calculator, am i saving enough for retirement, 401k calculator, pension calculator.
How to use this calculator
- Enter current age, retirement age, life expectancy, current savings and the other fields.
- The result updates instantly as you type — press Calculate (or Enter) at any time.
- Review the breakdown shown under the main result.
- Use Copy result or Share to save the answer or send a link with your inputs.
Formula
Need = income × (1 − (1 + r)⁻ⁿ)/r at retirement (real return)
Worked example
Using the values pre-filled in the calculator above:
- Current age = 30
- Retirement age = 65
- Life expectancy = 90
- Current savings = 50,000
- Monthly contribution = 800
- Return before retirement = 7 %
- Return in retirement = 4 %
- Desired annual income (today’s money) = 50,000
the calculator returns:
- Savings at retirement: 2,016,151.27
- Nest egg needed: 3,109,689.16
- Shortfall: 1,093,537.89
- Extra monthly saving to close gap: 607.17