IRS Simulator 2025

Estimate your income tax now!

With our personal income tax (IRS) simulator for 2026, you can estimate deductions based on: your 2025 income, your expenses (healthcare, retirement savings plans, donations, among others), and the Public Capitalisation Scheme in the direct tax deductions.

Fill in the fields below and let the calculator do the math for you!
get started

Personal information

Type of taxation
Tax municipality
Para casados ou unidos de facto que declaram o IRS em conjunto, caso possuam moradas fiscais distintas, o município será o da pessoa que submeter a declaração.
Dependents aged 3 or under
Dependents aged between 4 and 6
Dependents aged 6 or over
Dependentes com invalidez

Taxable income - taxpayer A

Annual gross amounts
Annual gross income
Annual gross income
Total pay an employee receives before any deductions for tax or other deductions.
Alimony payments
Alimony payments
A monthly benefit, payable by the person who is left without parental custody, which ensures the support of children of separated parents.
Withholding tax
Withholding tax
Mechanism whereby part of an employee's earnings is withheld by the employer, on behalf of the state, at the time they are paid, in order to fulfil tax or other obligations.
Specific deductions
0
Specific deductions
Expenses, specific to each person's type of income, which can be deducted from the personal income tax bill, reducing the amount of tax payable.
Youth IRS (IRS Jovem)?
Age
With disability status for income tax purposes?

Tax credits - taxpayer A

Income below the subsistence minimum is exempt from IRS, ensuring that no one pays tax if they earn less than the necessary amount to live, in accordance with Article 70 of the IRS Code.

Enter the total amount of annual expenses.
General and family expenses

Valor máximo de 250

General and family expenses
This category includes household and everyday expenses, such as gas, water, electricity, household appliances, supermarket shopping, telecommunications, fuel and clothing, among others.
Health and health insurance

Valor máximo de 250

Education and training

Valor máximo de 250

Food allowances
Nursing home costs

Valor máximo de 250

Invoice requirement

Valor máximo de 250

Invoice requirement
Enter the net value of this deduction. If you have any doubts about this, we explain everything in the FAQ on the subject.
Property costs

Valor máximo de 250

Other expenses
Other expenses
Other deductions that can be taken into account, such as expenses for relatives in the ascending line who are part of the household and expenses for people with disabilities. You can find more information in the FAQs below.
PPR

Valor máximo de 250

Donations (total amount donated)
Public Capitalisation Scheme (amount invested)

Valor máximo de 250

Income - taxpayer B

Annual gross amounts
Annual gross income
Annual gross income
Total pay an employee receives before any deductions for tax or other deductions.
Alimony payments
Alimony payments
A monthly benefit, payable by the person who is left without parental custody, which ensures the support of children of separated parents.
Withholding tax
Withholding tax
Mechanism whereby part of an employee's earnings is withheld by the employer, on behalf of the state, at the time they are paid, in order to fulfil tax or other obligations.
Specific deductions
0
Specific deductions
Expenses, specific to each person's type of income, which can be deducted from the personal income tax bill, reducing the amount of tax payable.
Youth IRS?
Age
With disability status for IRS purposes?

Tax credits - taxpayer B

Income below the subsistence minimum is exempt from IRS, ensuring that no one pays tax if they earn less than the necessary amount to live, in accordance with Article 70 of the IRS Code.

Enter the total amount of annual expenses.
General and family expenses

Valor máximo de 250

General and family expenses
This category includes household and everyday expenses, such as gas, water, electricity, household appliances, supermarket shopping, telecommunications, fuel and clothing, among others.
Health and health insurance

Valor máximo de 250

Education and training

Valor máximo de 250

Food allowances
Nursing home costs

Valor máximo de 250

Invoice requirement

Valor máximo de 250

Property costs

Valor máximo de 250

Other expenses
Other expenses
Other deductions that can be taken into account, such as expenses for relatives in the ascending line who are part of the household and expenses for people with disabilities. You can find more information in the FAQs below.
PPR

Valor máximo de 250

Donations (total amount donated)
Public Capitalisation Scheme (amount invested)

Valor máximo de 250

Simulation results

No tax payable or refundable
€0
Income below the subsistence minimum is exempt from IRS, ensuring that no one pays tax if they earn less than the necessary amount to live, in accordance with Article 70 of the IRS Code.
Net tax due
€0
Withholding tax
€0
Deductions from tax due
€0
Municipal benefit
€0
Total income
€0
Specific deductions
€0
Taxable income
€0
Tax-exempt income subject to aggregation (Youth IRS)
€0
Family quotient
1
Income subject to tax rate
€0
Assessed amount
€0
Portion to subtract from tax
€0
Additional tax rate
€0
Tax under autonomous regime
€0
Tax on exempt income (Youth IRS)
€0
Tax calculated
€0

IRS brackets (article 68 of CIRS), tax year 2025

Frequently Asked Questions

Can the withholding tax tables that were in effect between August and December 2025 affect my income tax (IRS) refund in 2026?
What is the Coverflex income tax (IRS) simulator used for?
What are tax deductions ("deduções à coleta") and how do they affect your income tax return?
Which types of income must be reported on the IRS tax return?
What are IRS brackets ("escalões")?
What is withholding tax ("retenção na fonte")?
Are the withholding tax tables and the IRS tax brackets the same thing?
How is the income tax (IRS) return submitted?
Is withholding tax mandatory?
É obrigatório preencher e entregar a declaração de IRS?
O que são as deduções específicas e como se calculam?
Qual é a diferença entre deduções específicas e deduções à coleta?
O que é o IRS Jovem?
Quais são as fases do processo de reembolso do IRS?
Qual é a fórmula utilizada para calcular o IRS?
Qual é a diferença entre um PPR e o Regime Público de Capitalização?
Sou casado(a) mas faço a tributação separada. Como preencho o simulador?
É preferível entregar a declaração em conjunto ou de forma separada?
Onde posso encontrar os meus rendimentos brutos anuais?
O que posso considerar na categoria “Outras Despesas”?
Quais são os prazos a cumprir em 2026 no que diz respeito à entrega da declaração de IRS?
O que acontece se falhar os prazos?

How would you rate your experience using the simulator?

Thank you! Your submission has been received!
Oops! Something went wrong while submitting the form.