Patrimônio alvo FI
- Created by
- Renato Passos, Eng. de Software
- Reviewed by
- Renato Passos, Eng. de Software
Last updated: Apr 18, 2026
About this calculator
The Target Wealth FI Calculator helps determine the wealth required to achieve a monthly income goal through investments. It uses a simple yet effective formula that takes into account the desired monthly expense and the expected rate of return on investments. The formula is applied as follows: the target wealth is equal to the monthly expense multiplied by 25 and divided by 1 minus the rate of return.
This calculator is useful for investors who want to plan their retirement or achieve financial independence. It helps understand how much wealth is needed to generate a specific monthly income, considering the investment rate of return. For example, if you desire a monthly income of $1,000 and expect a 4% annual rate of return, the calculator can help determine the required wealth to achieve this goal.
When using this calculator, it's essential to be cautious with estimates of rate of return and monthly expenses. A higher rate of return can reduce the required wealth, but it also increases the risk of loss. Additionally, it's crucial to consider inflation and taxes when planning your target wealth. With a realistic and careful estimate, you can create a more effective investment plan.
Remember that the calculator provides an estimate and does not account for all factors that may affect your investments. It's always recommended to consult a financial professional for personalized guidance and consider all relevant aspects before making investment decisions.
Frequently asked questions
What is the formula used by the calculator?
The formula used is: target wealth = expense × 25 / (1 - rate of return).
How can I use this calculator to plan my retirement?
You can enter your desired monthly expense and expected rate of return to determine the wealth required to achieve your monthly income goal.
What precautions should I take when using this calculator?
It's essential to be cautious with estimates of rate of return and monthly expenses, considering inflation and taxes when planning your target wealth.
Does the calculator consider all factors that affect investments?
No, the calculator provides an estimate and does not account for all factors that may affect your investments.
Should I consult a financial professional before making investment decisions?
Yes, it's always recommended to consult a financial professional for personalized guidance and consider all relevant aspects.