Prorated Salary Calculator

Calculate prorated salary for employees starting mid-month, resigning mid-month, or taking Loss of Pay (LOP) unpaid leave. Supports calculations based on total calendar days or working business days.

Why Use This Tool?

• Mid-Month Joiners & Leavers: Calculate exact partial month salary owed to new hires or departing staff.
• Unpaid Leave (LOP) Deductions: Deduct unpaid absence days accurately during monthly payroll processing.
• Contractor Partial Billing: Prorate monthly retainer fees for partial billing cycles.

How to Use

1. Enter Monthly Base Gross Salary.
2. Select Calculation Mode (Calendar Days vs Business Days).
3. Enter total days worked or unpaid LOP days to view prorated payout.

Real Working Example

Input:

Monthly Salary: $6,000 | Total Days in Month: 30 | Days Worked: 12

Output Result:

Daily Rate: $200/day | Prorated Gross Salary: $2,400 | LOP Deduction: $3,600

Important Technical Details & Formulas

• Dual Calculation Modes: Switch between 30/31 Calendar Days mode or 20/22 Working Business Days mode.
• Automatic Leap Year Detection: Uses precise calendar month day counts.
• 100% Local Execution: Zero network transmission.

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