How to Calculate Vacation Accrual for Trips & Holidays
Published: September 24, 2026
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Updated: September 24, 2026
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US Workplace Guide
Direct Calculation Summary
Learn how to forecast future vacation days to ensure you have sufficient leave banked before departure.
Direct Answer: Trip Accrual Calculation
To project your vacation balance for an upcoming trip, multiply your accrual rate per period by the number of paychecks between today and your departure date, then add your current balance:
Vacation at Trip Date = Current Balance + (Pay Periods Until Trip × Accrual Rate)
Test your upcoming vacation dates using our specialized Vacation Accrual Calculator.
Calculate Your Own PTO
Run your personal numbers through our free, real-time PTO calculators: