IR Regressivo (renda fixa)

Tabela regressiva 22,5→15%.
Created by
Renato Passos, Eng. de Software
Reviewed by
Renato Passos, Eng. de Software

Last updated: Apr 18, 2026

IR
R$ 175,00

Formula

IR fundos

About this calculator

The IR Regressivo calculator is a useful tool for investors who want to calculate the income tax on their fixed income investments. It uses the regressive tax table, which ranges from 22.5% to 15%, to provide an accurate estimate of the tax amount due.

The formula used by the calculator is based on the income tax rules for investment funds. This means that the calculator takes into account the investment's yield and the time period during which the investment was held to calculate the tax due.

It is essential to use this calculator when investing in investment funds, as the income tax can vary significantly depending on the yield and the investment period. Additionally, it is crucial to enter the correct data about the investment, such as the invested amount and the time period, to ensure that the calculation is accurate.

The IR Regressivo calculator is a practical and easy-to-use tool that can help investors plan their investments better and avoid unpleasant surprises when paying income tax. With this calculator, it is possible to have a clear view of the tax amount due and plan finances more effectively.

Frequently asked questions

What is the regressive income tax table?

The regressive income tax table is a scale that ranges from 22.5% to 15% and is used to calculate the income tax on fixed income investments.

How does the IR Regressivo calculator work?

The calculator uses the income tax formula for investment funds, taking into account the investment's yield and the time period during which the investment was held.

When should I use the IR Regressivo calculator?

You should use the calculator when investing in investment funds, as the income tax can vary significantly depending on the yield and the investment period.

What is essential for an accurate calculation?

It is essential to enter the correct data about the investment, such as the invested amount and the time period, to ensure that the calculation is accurate.

Can I use the calculator for other types of investments?

The IR Regressivo calculator is specific to fixed income investments and is not recommended for other types of investments.

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