1. What Is CPF Number?

The CPF (Cadastro de Pessoas Físicas) is the Brazilian individual taxpayer registry identification. It consists of 11 digits: 9 base digits plus 2 check digits calculated using a specific algorithm.

2. How CPF Calculation Works

The CPF validation algorithm calculates two check digits using the following formulas:

Where:

• Digits are processed from left to right
• If remainder is less than 2, check digit is 0
• Otherwise, check digit is 11 minus the remainder

3. Importance Of CPF Number

Details: The CPF is essential for virtually all financial and legal transactions in Brazil, including opening bank accounts, employment, tax filing, and purchasing property.

4. Using The Calculator

Tips: Enter the 9 base digits of your CPF (without check digits) and the calculator will compute the two verification digits and display the complete, properly formatted CPF number.

5. Frequently Asked Questions (FAQ)

Q1: What does CPF stand for?
A: Cadastro de Pessoas Físicas (Natural Persons Register).

Q2: Is CPF the same as CNPJ?
A: No, CNPJ is for companies (Cadastro Nacional da Pessoa Jurídica) while CPF is for individuals.

Q3: Can two people have the same CPF?
A: No, each CPF number is unique to one individual.

Q4: What if I lose my CPF card?
A: You can request a duplicate through the Brazilian Federal Revenue website or at authorized institutions.

Q5: Do foreigners need a CPF?
A: Yes, foreigners residing in Brazil or engaging in financial transactions need a CPF number.