What is the minimum hourly rate for a chemical engineer under the Professional Employees Award?

The Professional Employees Award 2020 sets minimum rates for graduate professionals. For a Level 1 graduate with a 4-year degree (typical for chemical engineering), the minimum hourly rate is $34.57, with an annual wage of $68,538. Higher classifications, such as Level 2 experienced professional, start at $39.77 per hour. These rates are updated annually and can be found in the award or via Fair Work Ombudsman pay guides.

How does casual loading affect a chemical engineering salary conversion?

Casual employees under the award receive a 25% loading on top of the minimum hourly rate. For example, a Level 1 graduate casual would be paid $34.57 × 1.25 = $43.21 per hour. This loading compensates for not receiving paid leave. When converting to annual, multiply the casual hourly rate by hours per week (usually 38) and 52 weeks. Super is then paid on top of the total ordinary earnings, including the casual loading.

Is superannuation included in the hourly rate or paid on top?

Superannuation is paid on top of the hourly rate. Under the Superannuation Guarantee, employers must contribute 12% of ordinary time earnings (including casual loading) into a super fund. This is not deducted from the employee's pay. For example, on a $34.57 hourly rate, the employer adds $4.15 per hour to super, making the total cost to the employer $38.72 per hour. The employee's take-home pay is based on the base rate plus any loadings, before tax.

How to Convert Your Chemical Engineering Salary from Hourly to Annual

Under the Professional Employees Award, a Level 1 graduate chemical engineer (4-year degree) earns a minimum hourly rate of $34.57, equating to $68,538 per year based on 38 hours per week.

Converting Your Chemical Engineering Salary: Hourly to Annual

If you work in chemical engineering, understanding how your hourly rate translates into an annual salary is essential for comparing job offers, budgeting, and planning your career. Whether you are a graduate or an experienced professional, the conversion depends on your employment type (full-time, part-time, or casual), the applicable award, and additional payments like casual loading and superannuation.

This guide uses the Professional Employees Award 2020 and the National Minimum Wage to show you how to calculate your annual pay from an hourly rate. We assume a standard full-time week of 38 hours unless stated otherwise.

The Basic Formula

Annual gross pay = hourly rate × hours per week × 52 weeks.

For a full-time employee working 38 hours per week:

Annual = hourly × 38 × 52.

For a part-time employee, use the agreed weekly hours. For casual employees, the hourly rate includes a 25% loading (see below).

Example: Graduate Chemical Engineer

Under the Professional Employees Award, a Level 1 graduate with a 4-year degree (the typical path for chemical engineering) has a minimum hourly rate of $34.57 and an annual wage of $68,538. That annual figure is already set by the award, but if you start with an hourly offer, you can verify it using the formula:

$34.57 × 38 × 52 = $68,538.32 (rounded to $68,538).

This matches the award’s annual rate. The same calculation works for any classification in the award, such as Level 2 ($39.77/hour → $78,836/year) or Level 3 ($43.46/hour → $86,157/year).

Casual Loading and Super Paid on Top

If you are employed as a casual, the award requires a 25% loading on the minimum hourly rate. This loading is paid instead of entitlements like annual leave and sick leave. When converting a casual chemical engineering salary, you must add the loading to the base rate before multiplying.

Casual hourly rate = base rate × 1.25.
For a Level 1 graduate: $34.57 × 1.25 = $43.21 per hour.
Annual casual pay (38 hours) = $43.21 × 38 × 52 = $85,382.96.

Superannuation is paid on top of your ordinary earnings, including any casual loading. From 1 July 2026, the Super Guarantee is 12% of ordinary time earnings, up to the maximum contribution base of $270,830. For the graduate casual example, the employer contributes an additional $5.19 per hour ($43.21 × 0.12) into your super fund. This is not deducted from your pay; it is an extra cost to the employer.

National Minimum Wage vs Award Rates

The National Minimum Wage from 1 July 2026 is $26.44 per hour for full-time employees, or $33.05 per hour for casuals (including 25% loading). However, chemical engineers are almost always covered by the Professional Employees Award, which has higher minimum rates. Always check the award that applies to your role using the pay guides from the Fair Work Ombudsman.

Using the Timesheet Calculator

Our timesheet tool lets you enter your base hourly rate and optionally add the 25% casual loading. It then calculates your annual gross pay, fortnightly earnings, estimated tax, and super. Remember:

Enter your base rate (without loading) if you are full-time or part-time.
If you are casual, check the box to add the 25% loading – do not type a rate that already includes loading.
The tool uses the 2026–27 tax scales and the Medicare levy (2%) to estimate take-home pay.

For more details on tax and super, see our guides on take-home pay and super and packaging.

Fortnightly and Weekly Pay

Many employers pay fortnightly. To find your fortnightly gross pay, multiply your weekly pay by 2. For a full-time graduate chemical engineer:

Weekly = $34.57 × 38 = $1,313.66.
Fortnightly = $1,313.66 × 2 = $2,627.32.

If you are casual, use the loaded rate: $43.21 × 38 = $1,641.98 per week, or $3,283.96 per fortnight.

What the Conversion Does Not Include

The annual figure from the formula assumes you work the same hours every week, with no unpaid overtime, penalty rates, allowances, or salary sacrifice. It also does not account for the Medicare Levy Surcharge or HELP repayments. For a precise estimate of your net pay, use our hourly conversion tool and adjust for your circumstances.

Summary

Chemical engineering salary under the Professional Employees Award starts at $34.57/hour for graduates (4-year degree).
Full-time annual = hourly × 38 × 52.
Casual loading adds 25% to the base rate.
Super is 12% on top of ordinary earnings (including casual loading).
Always refer to the reference tables for the latest award rates and tax thresholds.

By understanding these components, you can confidently compare job offers and know what your hourly rate means for your annual income.