Retirement savings calculator

What your savings and monthly investing grow to by retirement, and the income that pays you every year.

In short: A retirement savings calculator projects what your current savings and monthly investing grow to by retirement, in today's dollars, and the yearly income that balance can pay at a safe withdrawal rate.

Your numbers

Assumptions7% return · 3% inflation · 4% withdrawals

$1.07M at 65

At a 4% withdrawal rate that pays $42,736 a year, about $3,561 a month, in today's dollars.

You put in
$470,000
Growth adds
$598,409
Yearly income
$42,736

What would change your result

  • Invest $250 more a month and you'd have $1.29M at 65, $219,674 more.
  • Working until 67 raises it to $1.18M, about $47,116 a year of income.
  • Waiting five years to start investing would leave you $206,957 short.

What-ifs worked out from your own numbers. Not personal financial advice.

  • Portfolio
  • You put in

Using a 3.88% real return. All amounts in today's dollars.

Year-by-year table
AgePortfolioYou put in
30$50,000$50,000
31$64,154$62,000
32$78,857$74,000
33$94,132$86,000
34$110,000$98,000
35$126,484$110,000
36$143,608$122,000
37$161,397$134,000
38$179,877$146,000
39$199,074$158,000
40$219,018$170,000
41$239,735$182,000
42$261,258$194,000
43$283,616$206,000
44$306,842$218,000
45$330,970$230,000
46$356,036$242,000
47$382,074$254,000
48$409,124$266,000
49$437,225$278,000
50$466,416$290,000
51$496,742$302,000
52$528,245$314,000
53$560,971$326,000
54$594,969$338,000
55$630,286$350,000
56$666,976$362,000
57$705,090$374,000
58$744,684$386,000
59$785,816$398,000
60$828,545$410,000
61$872,934$422,000
62$919,046$434,000
63$966,950$446,000
64$1,016,713$458,000
65$1,068,409$470,000

A worked example

With these inputs:

  • Your age30
  • Retirement age65
  • Saved so far$50,000
  • Monthly investing$1,000
  • Expected return7%
  • Inflation3%
  • Withdrawal rate4%

the calculator returns $1.07M at 65. At a 4% withdrawal rate that pays $42,736 a year, about $3,561 a month, in today's dollars.

Its first suggestion: Invest $250 more a month and you'd have $1.29M at 65, $219,674 more.

Key facts

  • $50,000 saved at 30 plus $1,000 a month grows to about $1.07 million by 65 in today's dollars at a 7% return and 3% inflation.
  • At a 4% withdrawal rate, every $100,000 saved pays about $4,000 a year of income.
  • Waiting five years to start investing can cost more than $200,000 by retirement.

How it's calculated

We grow your current savings and add your monthly investing every month at the real return, up to your retirement age. The gap between the two lines on the chart is compounding.

The income figure applies your withdrawal rate to the final balance: balance × withdrawal rate.

Questions people ask

Why is the result lower than other calculators show?

Many calculators show future dollars. We show today's dollars, after inflation, so the number compares directly with what things cost now.

Should I include my 401(k) match?

Yes. Add your employer match to your monthly investing; it is part of what gets invested.

What if my contributions grow over time?

Use your expected average monthly amount. A raise that keeps pace with inflation is already built in, since everything is in today's dollars.

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