Savings Duration Formula:
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The Savings Duration Calculator estimates how long your savings will last based on your current savings balance and monthly withdrawal rate. This simple calculation assumes no interest or additional contributions.
The calculator uses the basic formula:
Where:
Explanation: The formula divides your total savings by your monthly withdrawal rate to determine how many months your savings will last, then converts this to years.
Details: Understanding how long your savings will last helps with retirement planning, emergency fund sizing, and financial decision-making. This basic calculation provides a conservative estimate assuming no investment growth.
Tips: Enter your total savings amount and expected monthly withdrawal. Both values must be positive numbers. For more accurate planning, consider using a calculator that accounts for interest and inflation.
Q1: Why doesn't this calculator include interest?
A: This provides a conservative baseline estimate. For calculations with interest, use a compound interest calculator.
Q2: How accurate is this calculation?
A: It's accurate for fixed withdrawals with no additional contributions or earnings, but real-world scenarios are typically more complex.
Q3: Should I include taxes in my withdrawal amount?
A: Yes, your withdrawal amount should reflect actual spending needs after any applicable taxes.
Q4: What if my withdrawals vary each month?
A: Use an average monthly withdrawal for estimation purposes, or run multiple scenarios.
Q5: How can I make my savings last longer?
A: Consider reducing withdrawals, generating additional income, or investing for growth (with appropriate risk).