Budget Buffer Calculator
Determine the optimal checking account buffer to prevent overdrafts and absorb income/expense variability.
Inputs
$
$
%
%
$
Results
Recommended Buffer
$1,175
Annual Savings from Buffer
$140
Current Annual Overdraft Cost$140
Optimal Buffer Range$675 – $1762.5
Buffer Payback Period8.4 years
How to Use This Calculator
- Enter Monthly Income, Monthly Expenses, and Income Variability.
- Set Expense Variability, Overdraft Fee, and Overdrafts Per Year.
- Review Recommended Buffer ($) and Annual Savings from Buffer ($).
- Use Current Annual Overdraft Cost ($) and Optimal Buffer Range to inform your decision.
- Use the chart to visualize the results and explore different scenarios by adjusting inputs.
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