PCB Calculation Formula:
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Definition: This calculator computes monthly PCB (Potongan Cukai Bulanan) deductions according to LHDN (Inland Revenue Board of Malaysia) 2023 guidelines.
Purpose: It helps employers and employees estimate monthly tax deductions based on chargeable income and other factors.
The calculator uses the formula:
Where:
Explanation: The formula calculates the monthly tax deduction based on progressive tax rates and various adjustments.
Details: Accurate PCB calculation ensures proper tax withholding, avoids underpayment penalties, and helps with personal financial planning.
Tips: Enter all required values from your salary information and LHDN tax tables. Zakat, accumulated PCB, and other deductions are optional (default to 0).
                    Q1: Where do I find the M and B values?
                    A: These values come from LHDN's PCB tables based on your chargeable income category and tax bracket.
                
                    Q2: What's included in other deductions (Q)?
                    A: This may include tax reliefs, rebates, or other allowable deductions not already accounted for.
                
                    Q3: How do I determine remaining months (n)?
                    A: Count how many months remain in the calendar year from the current month.
                
                    Q4: Can PCB be negative?
                    A: No, the calculator automatically sets negative results to zero as you cannot have negative tax deductions.
                
                    Q5: Is this calculator official?
                    A: This is for estimation only. Always refer to official LHDN guidelines for official PCB calculations.