Desired Annual Retirement Income (in today's dollars):

(example. 50000)
Years Until Retirement:

(example. 30)
Current Investment Account Balance:

(example. 2000)
Years for Investment to Last After Retirement:

(example. 30)
Desired Balance to Leave Heirs:

(example. 100000)
Estimated Annual Rate of Return on Investment:

(example. 8)
Annual Rate of Inflation:

(example. 2.5)