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Cnn Money Retirement Savings Calculator

Reviewed by Calculator Editorial Team

Planning for retirement is one of the most important financial decisions you'll make. This calculator helps you estimate how much you need to save each month to reach your retirement goals, considering factors like your current savings, expected return on investment, and retirement age.

How to Use This Calculator

To use the retirement savings calculator:

  1. Enter your current retirement savings amount in the "Current Savings" field.
  2. Select your expected annual return percentage from the dropdown menu.
  3. Enter your desired retirement age and your current age.
  4. Enter your expected monthly retirement expenses.
  5. Click "Calculate" to see your required monthly savings amount.

The calculator will display your required monthly savings amount and show a projection of your retirement savings growth over time.

The Formula

The retirement savings calculator uses the following formula to determine your required monthly savings:

Retirement Savings Formula

FV = P * (1 + r)^n

Where:

  • FV = Future Value (desired retirement savings)
  • P = Current Savings
  • r = Annual Return Rate (as a decimal)
  • n = Number of Years Until Retirement

To find the required monthly savings (S), we use:

S = (FV - P * (1 + r)^n) / [(1 + r/12)^(n*12) - 1] * (r/12)

This formula accounts for the time value of money and compounding interest to determine how much you need to save each month to reach your retirement savings goal.

Worked Example

Let's say you have $50,000 saved for retirement, you're 35 years old, and plan to retire at 65. You expect an 8% annual return on your investments and need $3,000 per month in retirement.

Using the calculator:

  1. Current Savings: $50,000
  2. Annual Return: 8%
  3. Retirement Age: 65
  4. Current Age: 35
  5. Monthly Expenses: $3,000

The calculator would determine that you need to save approximately $1,250 per month to reach your retirement goal.

This example shows how the calculator helps you plan your financial future by providing clear, actionable information about your retirement savings needs.

Frequently Asked Questions

How accurate is this retirement savings calculator?

This calculator provides an estimate based on the inputs you provide. Actual retirement savings needs can vary based on personal circumstances, investment performance, and other factors not accounted for in this simple model.

What factors does this calculator not consider?

This calculator doesn't account for inflation, taxes, changes in your lifestyle needs after retirement, or the possibility of additional income sources. For a more comprehensive retirement plan, consider consulting with a financial advisor.

Can I adjust the assumptions in the calculator?

Yes, you can adjust the expected annual return rate, retirement age, and other inputs to see how they affect your required monthly savings amount.