How this calculator works
The calculator applies the progressive ISR withholding table, the employment subsidy when applicable, and the employee share of IMSS over an estimated integrated contribution base. It is designed for planning and does not replace an official payroll receipt.
Rules included
| ISR | Progressive scale |
|---|---|
| Employee IMSS | Integrated SBC + excess over 3 UMA |
| Employment subsidy | Applied when income qualifies |
Official sources
Can the result match my payslip exactly?
Not always. The final amount depends on your registered SBC, seniority-based benefits, exempt or taxable benefits, payroll frequency and personal deductions such as Infonavit or loans.
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