Long Service Leave Calculator by State

Why there's no single national answer

Long service leave (LSL) is one of the few employment entitlements still set separately by each state and territory. The qualifying period, the amount of leave, pro-rata rules and how "ordinary pay" is defined all differ between jurisdictions — and some industries (notably building and construction, and in some states cleaning and community services) have portable schemes that operate on entirely different rules. So the first input in any LSL calculation is location, and the authoritative source is always that state or territory's regulator.

The inputs you need

• Jurisdiction — usually where the employee primarily works, which may not be where head office is.
• Continuous service start date — including service with a previous owner if the business was sold, since continuity often transfers with a business.
• Breaks in service — some absences count towards service, some pause it, and some break it entirely. Each state defines these differently.
• Employment pattern — full-time, part-time and casual service can all count in most jurisdictions, but variable hours change how ordinary pay is averaged.
• Ordinary pay — generally the employee's ordinary rate at the time leave is taken or paid out, with state-specific rules for commissions, allowances and averaging variable earnings.

The method

Step 1 — Confirm eligibility

Each jurisdiction sets a qualifying period of continuous service for the full entitlement, and a shorter threshold at which pro-rata LSL becomes payable on termination (often depending on why employment ended). Look up both thresholds with your state's regulator — don't assume they match a neighbouring state's.

Step 2 — Calculate the accrual

Multiply completed years of continuous service by the jurisdiction's accrual rate (expressed as weeks of leave per years of service). For part-timers and casuals, apply the state's averaging rules to get a representative weekly figure first.

Step 3 — Value it

Accrued weeks × ordinary weekly pay as the state defines it. For employees whose hours changed over their service, the averaging provisions matter enormously — a long-serving employee who recently dropped to part-time may still be valued on rules that look back over a longer period.

Step 4 — Book the liability

For your accounts, LSL is a provision that should grow as service accrues — not a surprise that lands when someone hits the qualifying mark. Many SMEs carry unrecognised LSL liability for years; your accountant can help set a sensible provisioning approach, including probability-weighting for staff who haven't yet reached pro-rata thresholds.

What the result means

• Per employee: what you'd owe if they took the leave or left today.
• Across the business: your total contingent liability — a number lenders and buyers will ask for in any finance or sale process, and one that's much cheaper to know early.
• For planning: a cluster of staff approaching qualification at once is both a cash-flow event and an operational one (that's a lot of leave to cover).

Common traps

• Applying head-office state rules to interstate employees.
• Missing portable-scheme obligations in covered industries, which involve regular levies rather than a provision.
• Forgetting that pro-rata LSL can be payable on redundancy or resignation in some circumstances — it's not always "nothing until the full term".
• Not transferring service history when buying a business, then discovering the entitlement came with it.

Tracking accrual dates, provisioning and multi-state rules is exactly the kind of quiet, always-on work a well-run people function should handle without you thinking about it. The rules here are general — confirm entitlements for a specific employee with the relevant state or territory authority.