This calculator figures out how much you need to save in order to have enough money after you retire.

Fill in the fields as described and press the Calculate button to see the answer.

Years to retirement: How many more years will you be earning an income? (0 if currently retired)
Current portfolio: How much do you currently have invested?
Inflation: What do you expect inflation to be? (Since 1916 it's averaged 3.6%)
Investment return: What annual return do you expect to make on your investment?
Years in retirement: How many years do you expect to live in retirement?
Expected Income: How much money (in today's dollars) will you need from your investment every year in retirement?

For a decision as important as this one it pays to be conservative

Try different scenarios, but remember it's better to have too much money than too little.