Emergency fund calculator
Enter your essential monthly expenses and choose how many months to use in the estimate. Compare the result with your current savings and estimate a time frame using a monthly contribution.
Update estimate
Amounts are treated as Brazilian reais (BRL); no currency conversion is performed.
How the estimate works
The scenario amount is monthly expenses multiplied by the number of months chosen. The remaining difference cannot be less than zero. The time estimate divides that difference by the monthly contribution and rounds up. The calculation excludes returns, inflation, taxes, fees, expense changes and withdrawals.
Frequently asked questions
Is there one ideal number of months for everyone?
No. Expenses, income stability, responsibilities and circumstances vary. Choose an assumption that fits your planning; this result is not a universal rule or personal advice.
Does this tool recommend where to invest the money?
No. It only multiplies and divides the values you enter. It does not assess financial products, risk, liquidity, taxes or deposit protection.
Does the time estimate include returns or inflation?
No. It divides the difference by the contribution entered, without assuming returns or adjusting for inflation. Actual expenses and contributions can change.