How PIAWE is worked out in NSW
The calculator applies the same rules described below. Its result is an estimate, not an insurer decision, approved agreement or calculation of the weekly payment legally due.
What PIAWE means
PIAWE means pre-injury average weekly earnings. It is a statutory measure of earnings before injury that is used as one input when weekly workers compensation payments are calculated. PIAWE is not itself the weekly payment and it does not decide claim liability, work capacity or damages.
What income is included
Depending on the records and the applicable rule, gross earnings can include ordinary wages, paid leave and leave loading, overtime, shift allowances, commissions, piece rates and a bonus the employer was obliged to pay. The amount must be connected to work performed in the applicable earnings period.
What income is excluded
Compulsory employer superannuation, workers compensation or other compensation for loss of earnings, and a payment made entirely at the employer’s discretion are not included. Reimbursements and unclear payroll items should be classified before they are relied on.
How the relevant earning period works
The calculation usually begins with the 52 weeks immediately before injury. It is shortened if employment began later, then may be adjusted for a verified ongoing change that had a financially material effect. A legally permitted pay-cycle alignment can be considered only if it does not lower PIAWE. Qualifying unpaid-leave days are then excluded. The order matters.
Multiple jobs
Each employment held at the injury date is calculated separately using that job’s earnings and applicable period. The resulting weekly contributions are then added. Do not combine two jobs into one payroll total because different commencement dates, leave periods or employment changes may apply.
Employment under four weeks
Where employment lasted less than four weeks before injury, the ordinary historical average may not be suitable. A prospective weekly earnings figure may need to be established from the employment contract, applicable award or enterprise agreement, prior hours and earnings, or comparable-worker evidence. The calculator requires that evidence to be confirmed.
Promotion, role or hours changes
A promotion, permanent role change, full-time or part-time change, or lasting change to hours or pay rate may change the start of the earnings period. The change must be ongoing and financially material, not merely a temporary roster variation. The entered earnings should match the adjusted dates.
Unpaid leave
A period of at least seven consecutive days may be left out where no earnings were paid or payable. Enter the exact dates and keep leave or payroll records. Short absences, partially paid periods and dates that cannot be verified should not be removed automatically.
Non-monetary benefits
Accommodation, use of a vehicle or another benefit forming part of remuneration needs separate treatment. A benefit retained after injury is generally not added as a cash amount. If it was withdrawn, a prescribed value may be relevant, but the entitlement, value and timing must be supported. A later withdrawal can require a separate variation review.
PIAWE agreements and decisions
PIAWE may be recorded in an approved agreement or decided by the insurer. Check the weekly figure, the calculation period, included and excluded amounts, and the date of the document. A finalised figure should be compared with the source payroll records rather than accepted from a summary alone.
What to do if the figure is wrong
Ask for the written calculation and collect payslips, contracts, rosters, payroll summaries, leave records and evidence of allowances or employment changes. Depending on the evidence and procedural stage, a correction, insurer internal review or Personal Injury Commission dispute may be available. A higher figure is not automatic.
PIAWE, weekly payments and damages
PIAWE is used within the weekly-payment framework, but the amount payable also depends on the entitlement period, work capacity, current weekly earnings, statutory limits and other rules. PIAWE evidence can be relevant to economic loss, but it does not by itself establish employer negligence or entitlement to work injury damages.
Questions about the PIAWE calculator
Is estimated PIAWE the same as my weekly payment?
No. PIAWE is an earnings measure used in later weekly-payment calculations. Work capacity, current earnings, payment periods and statutory limits can change the amount payable.
Can I calculate PIAWE for more than one job?
Yes. Add each employment held at the injury date separately. The calculator works out each eligible weekly contribution and then adds them.
Why enter superannuation and compensation payments if they are excluded?
Separating excluded items makes the calculation transparent and helps identify when a payroll gross total contains amounts that should not form part of PIAWE.
What if I worked for less than four weeks?
A prospective earnings method may apply. You will need evidence such as a contract, award, enterprise agreement, prior hours or information about comparable workers.
Can I challenge a PIAWE decision?
A correction, internal review or Personal Injury Commission dispute may be available depending on the document, evidence and procedural stage. Obtain advice about the applicable pathway and timing.
Does a higher PIAWE prove a work injury damages claim?
No. Work injury damages have separate statutory requirements. PIAWE may be relevant to earnings evidence but does not establish negligence, impairment or damages entitlement.
Related PIAWE and claim guidance
Use the calculation with the guide that matches the decision or payment issue you are checking.
- NSW workers compensation help
See how payment, treatment, impairment and insurer disputes fit together.
- How PIAWE is calculated
Check the earning period, included amounts and special rules.
- Weekly payments in NSW
Understand how PIAWE fits into the wider payment formula.
- Work capacity decision disputes
Separate an earnings error from a capacity or suitable-employment dispute.
- Request a PIAWE recalculation
Prepare wage evidence and consider correction or insurer review.
- Personal Injury Commission disputes
Understand when a PIAWE dispute may need a formal PIC pathway.
- Work injury damages and economic loss
See why earnings evidence matters without assuming damages entitlement.
- Request a free claim review
Ask for help checking a written PIAWE decision or agreement.
This information and calculator are general in nature and are not legal, financial or tax advice. You should obtain advice about your own circumstances. NSW Work Injury Claim is the workers compensation service of Stephen Young Lawyers.