SIS30321
Certificate III in Fitness
The entry-level qualification to work as a gym instructor or group fitness instructor. The first step in your fitness career.
Personal trainer courses in Australia
Australia's longest operating fitness educator. Whether you're just starting out or ready to become a Master Personal Trainer, AIF has the nationally recognised qualification to get you there — study online, plus flexible practical submissions.
AIF has been training fitness professionals for 47 years. Whether you want to start your career as a gym instructor, qualify as a personal trainer, or reach the top of the industry as a Master Personal Trainer & Nutritionist, we have a nationally recognised qualification to get you there.
All AIF fitness courses are delivered online with flexible, self-paced study — so you can fit learning around your life. Practical assessments are completed at a gym near you, with no campus requirements. Our Careers Team is on hand to help you choose the right course and navigate fees, payment options, and enrolment.
Move from fitness foundations into personal training capability — and go even further with a Nutrition qualification. Each step builds on the last, and you can start working in the industry as soon as you complete your Certificate III.
Begin the online study pathway and build your learning rhythm.
Build foundations in gym instruction, group exercise, anatomy, physiology, and client service.
Your Cert III means you can work as a Group Fitness Instructor or Gym Instructor while you continue studying.
Move into personalised programming, coaching, behaviour change, and business foundations.
Design, deliver, and adapt exercise programs as a fully qualified Personal Trainer.
Extend your scope with the Master Nutritionist Program — available standalone or combined with your PT qualification.
The entry-level qualification to work as a gym instructor or group fitness instructor. The first step in your fitness career.
The qualification required to work as a Personal Trainer. Develop personalised programs, coach clients one-on-one, and build your fitness business.
Most popular
AIF's flagship program — Certificate III and IV combined in one enrolment, plus exclusive CEC courses, graduate resources, and dedicated career support.
The ultimate fitness qualification — combines the full Master PT program with the Master Nutritionist Program to coach the whole person.
11046NAT Certificate IV in Nutrition training and assessment is delivered by Vast Nutrition Academy. When you enrol in the Master PT & Nutritionist Program, your fitness qualifications are issued by the Australian Institute of Fitness RTO 121508 and your nutrition qualification is issued by Vast Nutrition Academy RTO 41564
Across AIF's fitness qualifications, you'll build the knowledge and practical skills to work confidently with clients at every level of the industry.
Understand how the body works — musculoskeletal systems, energy systems, health screening, and fitness assessment to keep clients safe and progressing.
Plan and deliver safe, effective gym-based and group fitness sessions. Learn movement coaching, exercise technique, and how to support diverse clients.
Design personalised programs, apply behaviour change techniques, conduct client consultations, and deliver long-term training plans — online and in-person.
Business planning, marketing, sales, client management, and professional practice — everything you need to launch and grow a fitness career or business.
Work effectively with diverse populations, support mental health within scope, respond to conflict, and deliver inclusive, client-centred fitness services.
Download our free course guide to explore program details, units, practical requirements, and what to expect from studying with AIF. Or book a call with our Careers Team — they'll help you choose the right qualification for your goals, experience, and budget.
Common questions about personal trainer courses in Australia — qualifications, study, entry requirements, and how to get started with AIF.
