Calculating your leave accrued is straightforward once you know the Annual Leave Accrual formula and what each input means. This guide explains the method in plain language, walks through a manual calculation, and gives worked examples you can follow — then you can do it instantly with the Annual Leave Accrual Calculator.
What is Annual Leave Accrual?
The Annual Leave Accrual calculation tells you your leave accrued from a few simple inputs. The figure you are solving for here is the leave accrued.
The Annual Leave Accrual formula
The core formula is:
Leave accrued = Annual leave entitlement ÷ 12 × Months workedHere is what each input means:
- Annual leave entitlement — a value measured in days. Example: 24 days.
- Months worked — a number. Example: 6.
How to calculate it step by step
- Write down the annual leave entitlement (for example, 24 days).
- Write down the months worked (for example, 6).
- Apply the formula above to get your leave accrued.
- Double-check the result with the Annual Leave Accrual Calculator.
Worked examples
Example 1
| Input / Output | Value |
|---|---|
| Annual leave entitlement | 24 days |
| Months worked | 6 |
| Leave accrued | 12.0 |
| Accrued per month | 2.00 |
With annual leave entitlement of 24 days and months worked of 6, the leave accrued works out to 12.0.
Example 2
With annual leave entitlement of 48 days and months worked of 6, the leave accrued works out to 24.0.
| Result | Value |
|---|---|
| Leave accrued | 24.0 |
| Accrued per month | 4.00 |
Example 3
With annual leave entitlement of 12 days and months worked of 6, the leave accrued works out to 6.0.
| Result | Value |
|---|---|
| Leave accrued | 6.0 |
| Accrued per month | 1.00 |
Tips for an accurate result
- Keep your units consistent — mixing, say, months with years or grams with kilograms is the most common source of error.
- Round only at the very end. Rounding inputs early can shift the final answer noticeably.
- Re-run the numbers whenever an input changes, rather than estimating from an old result.
Prefer not to do the maths by hand? — the Annual Leave Accrual Calculator does it instantly, for free, with the formula and a worked example built in.
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