Retirement Calculator

Plan your retirement with realistic projections

Your Information

Enter your current age between 18 and 80
Enter your target retirement age, can be as early as 25
Estimate how long you expect to live for withdrawal planning

Income & Expenses

$
Enter your annual pre-tax income
$
Enter your total annual expenses, this helps determine your retirement target Key factor for your retirement target
$
Expected annual expenses in retirement (often 70-80% of current expenses) Often lower than working years - no commute, paid-off mortgage
$
Enter your current total retirement savings and investments

Savings & Returns

$
Enter how much you save monthly toward retirement
%
Enter expected annual investment return, typically 7% for stocks
%
Enter expected inflation rate, typically around 3%

Withdrawal Settings

%
The 4% rule is standard, use 3.5% for longer retirements 4% rule is standard; use 3.5% for 40+ year retirements
$
Optional: Enter expected monthly Social Security benefit at age 67 Optional - leave at $0 if not claiming benefits

Savings Strategy Examples:

Retirement Summary

Year-by-Year Projection

Year Age Contributions Growth Balance % of Target

Copy these formulas into Excel or Google Sheets. Replace cell references with your values.

FIRE Number (Retirement Target)

Calculate how much you need to retire based on the 4% rule

=B1/B2
B1 = Annual Expenses B2 = Withdrawal Rate (decimal, e.g., 0.04)

Future Value of Savings

Calculate portfolio value at retirement with monthly contributions

=FV(B3/12, B4*12, -B2, -B1)
B1 = Current Savings B2 = Monthly Contribution B3 = Annual Return (decimal, e.g., 0.07) B4 = Years to Retirement

Years to FIRE

Calculate how many years until you reach your FIRE number

=NPER(B3/12, -B2, -B1, B4)/12
B1 = Current Savings B2 = Monthly Contribution B3 = Annual Return (decimal) B4 = FIRE Number (target)

Savings Rate

Calculate your savings rate as a percentage of income

=(B1*12)/B2
B1 = Monthly Contribution B2 = Annual Income

Safe Withdrawal Amount (Annual)

Calculate how much you can withdraw annually in retirement

=B1*B2
B1 = Portfolio Value B2 = Withdrawal Rate (decimal, e.g., 0.04)