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The math, step by step
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How this calculator works
We prorate by calendar days: annual entitlement × days accrued ÷ days in the vacation year. The vacation year runs 12 months from the accrual start date; if February 29 falls inside it, we count 366 days.
The as-of date itself is counted on the “still to earn” side, not the “earned” side. For a 15-day entitlement, that’s a difference of about 0.04 days. If your policy counts the final day as worked, nudge the as-of date forward by one.
Results are rounded to two decimal places. Your payroll system or collective agreement may round differently; when in doubt, round in the employee’s favour.
A note on Canadian employment standards
Every province and territory sets its own minimum vacation time and vacation pay, and federally regulated workplaces follow the Canada Labour Code. Employment standards typically treat vacation as earned once a full 12-month year is complete; many employers grant or prorate time from day one instead. That’s fine: you can always give more than the minimum, just never less.
For vacation pay, it’s usually counted as a percentage of gross wages (typically 4–8%, rising with years of service) rather than in days, which can produce a different payout than day-based proration, especially for employees with variable earnings, overtime, or commissions. Always check the applicable standards before finalizing a payout. Ideally, your payroll software does this for you.