11.5% SUPER GUARANTEE, LEAVE ON-COSTS & WORKERS COMP

Employee Cost Calculator Australia (2026–27)

Calculate the true total cost of employing staff in Australia under current ATO and Fair Work standards. Model base salary, 11.5% Super Guarantee, annual & sick leave entitlements, workers compensation, payroll tax, and equipment overheads.

Verified ATO & Fair Work Ombudsman Payroll Standards|Reviewed by Charlotte Smith|Last Updated: July 2026

1. Base Wage & Employer On-Costs

$
👤 Total Cost to Employer (TCE)

$115,722 / yr

True cost is 1.22x the base salary of $95,000.

On-Cost Breakdown

Superannuation (12%): $11,400

Payroll Tax: $4,612

WorkCover Insurance: $1,710

1. The Australian True Employee Cost Framework (2026–27)

Payroll overhead calculations in Australia are governed by the Superannuation Guarantee (Administration) Act 1992 and the Fair Work Act 2009.

Calculating the true total cost of an employee ensures small business owners set sustainable billing rates and maintain adequate operating cash flow buffers before making hiring commitments.

2. Base Salary Level & Total On-Cost Multiplier Benchmarks

Gross Base SalarySuper (11.5%)Leave EntitlementsInsurance & TaxTotal True Cost
$60,000 Base$6,900 Super (11.5%)$6,924 Leave (11.5%)$2,400 Ins/Tax (4.0%)$76,224 Total Cost (+27.0%)
$90,000 Base$10,350 Super (11.5%)$10,386 Leave (11.5%)$4,050 Ins/Tax (4.5%)$114,786 Total Cost (+27.5%)
$120,000 Base$13,800 Super (11.5%)$13,848 Leave (11.5%)$6,600 Ins/Tax (5.5%)$154,248 Total Cost (+28.5%)
$160,000 Base$18,400 Super (11.5%)$18,464 Leave (11.5%)$9,600 Ins/Tax (6.0%)$206,464 Total Cost (+29.0%)

3. The Mathematics of Total Employee On-Costs

Total True Annual Employee Cost (Cost_total) for base salary (S_base), Super Guarantee (11.5%), paid leave accrued (11.54%), workers comp (r_wc %), and equipment overheads (C_equip) is:

Super Guarantee ($) = S_base × 11.5%
Leave Provision ($) = S_base × 11.54% (20 Days Annual + 10 Days Sick)
Workers Comp Insurance ($) = S_base × r_wc %
Statutory On-Costs ($) = Super + Leave + Workers Comp + Payroll Tax
Total True Employee Cost ($) = S_base + Statutory On-Costs + C_equip

Example Calculation ($90,000 Base Salary Package):
- Super Guarantee (11.5%): $10,350.00.
- Paid Annual & Sick Leave Accrual: $10,386.00.
- Workers Comp + Office & IT Overheads ($4,050): $4,050.00.
- Total True Cost = $90,000 + $24,786 = $114,786.00 / year ($9,565.50 / month).

4. Step-by-Step Guide to Calculating Employee On-Costs

1

Determine Gross Annual Base Salary

Record base salary package excluding superannuation and allowances.

2

Add Mandatory 11.5% Superannuation Guarantee

Calculate 11.5% superannuation on Ordinary Time Earnings (OTE).

3

Calculate Paid Leave Entitlements & 17.5% Leave Loading

Factor 4 weeks paid annual leave, 10 days sick/carer’s leave, and award leave loading.

4

Factor State Workers Comp & Payroll Tax Thresholds

Apply state WorkSafe premium rates (1%–5%) and state payroll tax if total payroll exceeds thresholds.

5

Add Operational Equipment & Software Overheads

Include workstation setup, laptop, phone, software user subscriptions, and training expenses.

5. Employee On-Cost Mistakes & Checklist

Budgeting Only for Base Salary Package

Hiring an employee on a $100,000 salary without accounting for the $28,000+ in mandatory super, leave, and insurance on-costs.

Late Payment of Super Guarantee Contributions

Failing to deposit super into employee accounts by quarterly cut-off dates, incurring non-deductible ATO Super Guarantee Charge (SGC) penalties.

Ignoring State Payroll Tax Threshold Limits

Expanding headcount past state payroll tax thresholds ($1.2M–$2.0M total payroll) without accounting for 4.75%–6.85% state payroll tax.

Failing to Accrue Annual Leave Liabilities on Balance Sheets

Treating paid annual leave as an expense only when taken, causing unexpected profit dips when long-serving staff resign.

Employee On-Cost Compliance Checklist

📊
Quarterly Super Guarantee Direct Clearing House Transfer

Remit 11.5% super contributions to employee funds via ATO Small Business Super Clearing House.

🏥
WorkSafe State Workers Compensation Policy Binding

Register new employee headcount with state WorkSafe authority (icare NSW, WorkSafe VIC).

📑
Single Touch Payroll (STP Phase 2) Software Sync

Ensure payroll software automatically reports wages, tax, and super to ATO on every pay run.

📜
Modern Award & National Employment Standards (NES) Compliance

Verify base salary meets or exceeds minimum Modern Award rates and NES leave entitlements.

6. Annual Employer Payroll Lifecycle Timeline

Pre-Hiring Phase

Total Employee On-Cost Budgeting

Calculate 1.28x total on-cost multiplier to verify business revenue can support full cost of hiring.

Day 1 Onboarding

TFN Declaration & Super Choice Form Entry

Lodge TFN declaration with ATO via STP; record employee nominated super fund details.

Quarterly Super Cut-Off

11.5% Super Guarantee Remittance

Pay quarterly 11.5% superannuation via clearing house before 28th of Oct, Jan, Apr, Jul.

30 June Financial Year End

STP Finalization & Leave Provision Audit

Finalize STP Year-End declaration; reconcile accrued annual and long-service leave balance sheet provisions.

Disclaimer: This Employee Cost calculator and guide are provided for general educational and informational planning purposes only. Base salary, 11.5% Super Guarantee, leave accrual rates, workers compensation estimates, and payroll tax thresholds reflect 2026–27 Australian Taxation Office and Fair Work Ombudsman rules. This page does not constitute formal employment or accounting advice.

Lead Personal Finance Specialist

Charlotte Smith

Senior Personal Finance & Taxation Specialist at AussieSpot

Charlotte Smith is the lead personal finance advisor and workplace specialist at AussieSpot. Charlotte has over 12 years of experience helping Australian households build budgets, plan savings goals, and manage living costs.

Frequently Asked Questions (FAQ)

What is the true multiplier cost of hiring an employee over their base salary in Australia?

In Australia, the true cost of an employee is typically 1.25x to 1.35x their base salary (25% to 35% on-cost premium). A worker with an $80,000 base salary costs their employer between $100,000 and $108,000 annually once super, leave, insurance, and equipment overheads are factored in.

What mandatory statutory on-costs apply to Australian employers in 2026–27?

Mandatory statutory on-costs include the 11.5% Superannuation Guarantee, compulsory Workers Compensation insurance premiums (1%–5% depending on risk sector), state Payroll Tax (4.75%–6.85% above threshold), and 4 weeks paid annual leave plus 10 days sick leave.

How is Leave Loading (17.5%) calculated on annual leave?

Under many modern awards, employees taking annual leave are entitled to an additional 17.5% Annual Leave Loading paid on top of their ordinary base rate of pay to compensate for lost overtime opportunities.

Are employer contributions to Superannuation tax-deductible?

YES! Compulsory Super Guarantee contributions paid into an employee’s nominated super fund are 100% tax-deductible operating expenses for the business, provided payments are received by the super fund before the quarterly cut-off date.

What non-salary overhead costs should be included when hiring staff?

Non-salary overhead costs include recruitment agent fees, computer hardware/monitors, software user licenses (Microsoft 365, Slack, CRM), office space allocation, training courses, and professional indemnity insurance coverage.