Retirement Account Aggregation Calculator

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Product support for ToolBox CS ended on October 31, 2022.

Help & How-To Center content for ToolBox CS may be outdated and is used at your own risk.

You can use this calculator to combine the contribution details of up to three retirement accounts to arrive at a total savings at the beginning of retirement and the monthly income stream.

Notes

  • The calculator discounts the present value of the future retirement savings using the inflation rate.
  • The present value of the monthly income is as of the date of retirement.

Example

If the taxpayer has an IRA with $20,000 to which she no longer makes contributions, and she has an active 401(k), what is her total expected retirement income?

Field Input
Account 1 Account 2
Current investment balance $20,000 $35,000
Annual contribution $0 $5,500
Years until retirement 25 25
Annual rate of return 8% 8%
Years of retirement 20 20
Annual rate of return during retirement 6% 6%
Inflation rate 3% 3%

In this example, the two accounts combine for a total of $778,748.80 at retirement, and there is a monthly income of $5,579.20. The inflation adjusted present value of these two amounts is $371,934.77 and $2,664.66, respectively.

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