How to Become a Fitness Instructor

Your step-by-step guide to becoming a certified fitness instructor in 2025!

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If you love helping others achieve their goals and want a rewarding career with the freedom to grow your income, becoming a fitness instructor could be the perfect path for you!

Many are seeking fitness instructors to help them begin their health journeys, making it the ideal time to start your career.

If you’re ready to get started, our guide breaks down how to become a fitness instructor in 7 simple steps!

Contents

What Does a Fitness Instructor Do?

While fitness or gym instructors have a variety of responsibilities, their main role is to help people improve their health and fitness.

Work schedules for fitness instructors are often influenced by peak times at gyms, including evenings, weekends, and mornings.

The majority of fitness instructors work in gyms, leisure centres, or health clubs. However, some may offer online coaching or hold classes outdoors.

Here’s an overview of the fitness instructor job description:

  • Teaching various fitness classes
  • Conducting gym inductions for customers
  • Keeping the gym & equipment clean
  • Demonstrating how to use equipment
  • Assess people’s levels of fitness
Trainer helping woman lift weight to show agonist vs antagonist muscles in resistance training

Step-by-step guide to Becoming a Fitness Instructor

How Much Can a Fitness Instructor Earn?

As shown on Glassdoor, their salary data states fitness instructors can earn between £17,000 – £27,000 a year. For those who are employed, the average base salary provided by Indeed is £37,810. However, this can be increased depending on experience and whether you earn commission.

For those working freelance, you can increase your earnings by taking on more hours or expanded the services or classes you offer.

Factors such as experience, location, and whether you work in a chain gym or independent business can also influence earnings. For example, working as a gym instructor in larger cities such as London means you’ll usually earn more than those working in rural areas.

Being self employed means you can recruit your own clients and choose how many hours you work. It also allows you to set and change your own rates, meaning you can increase them depending on your services and experience.

Graphic of a Bar Chart Showing the Salary Ranges for a Fitness Instructor

How Much Does it Cost to Become a Fitness Instructor?

A Level 2 Fitness Instructor Course can cost anywhere between £500 to over £1000, depending on the training provider. The exact cost for you to become a gym instructor depends on who your training provider is and factors such as:

  • Your Study Method – Online courses are typically cheaper than in-person or fast-track options

  • Payment Method – Some providers offer a discount if you pay the course fees in full

  • Interest Rates – If paying in instalments, keep costs down by looking for 0% interest plans

  • Hidden Fees – Cheap courses aren’t always the bargain you think, many have hidden fees for things like resits and certificates
  • Marketing – Cost does not always equal quality, some providers set higher prices to make you think that their courses are the best

While free fitness instructor courses exist, check out our article on why they may not be the best option for you: Can You Complete a Level 2 Gym Instructor Course for Free?

Career Opportunities for a Fitness Instructor

career options once you become a personal trainer

Now you know what it takes to become a qualified gym instructor, it’s time to discuss your career options!

As an employed instructor, you can work either part or full time at a gym or fitness centre. This is a great starting point for new instructors, offering professional growth and a steady income.

When you’ve gained further experience and clients, you could choose to go freelance. Freelancers earn a fixed salary while working across multiple venues on shorter schedules. You’ll mainly teach classes when required, without additional responsibilities.

Many use employed or freelance roles as steps toward self-employment. Going solo lets you run your own classes or move your services online, allowing you to expand what you offer. You can even take your services abroad or open your own gym!

Check out our article on how to become an online fitness coach to find out more.

Health & Fitness Courses at OriGym

Fees and Funding Options

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Pay upfront

Pay the full amount for your course upfront in one lump sum

Flexible Learning Formats

Get qualified quickly or take your time – OriGym has a range of in-person and online study methods.

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  • Study & Learn at Your Pace

  • Receive Tutor Supports 7 Days a Week

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  • Attend Practical Workshops & Assessments at Weekends

  • Receive Virtual & In-person Feedback

Full Time

  • Learn From Qualified & Experienced Tutors
  • Study Alongside Likeminded Students

What Our Students Say

We’re the UK’s #1 Health and Fitness course provider for a reason! Listen to what our recent students have to say about our award-winning training and dedicated tutor team.

  • Qualified & experienced tutors
  • Great combination of theory and practical elements
  • Excellent course content delivery
  • Supported during and after finishing their course
  • Highly recommend OriGym to others

Why Become A Fitness Instructor With OriGym?

At OriGym, we don’t just provide qualifications, we transform lives through educational excellence. Here are 6 reasons why you should choose the UK’s #1 Training Provider.

1

Expert Tutor Support

Our highly-experienced and qualified tutors are available 7 days a week (including evenings and weekends).

2

Unlimited Exam Resits

We’re one of the only training providers to offer unlimited free resits for all exams and assessments.

3

Affordable Quality

We pride ourselves on delivering affordable qualifications without compromising on quality.

4

Trusted by 43,071+ Students

We’ve helped over 43,071 students start their career in the fitness industry, so you know you’re in good hands.

5

Free Career Support

Our support won’t end once you qualify. You’ll receive free post course support including CV analysis and access to our exclusive jobs board.

6

Innovative Learning Resources

From our industry-leading E-learning platform to our 5* rated workshops, you won’t find a better quality course.

Accredited & CIMSPA Endorsed

CIMSPA Endorsed, PD:Approval Approved and ISO9001 Certified.

Award Winning

Training Provider of the Year 2024 Winners, UKactive Finalist, Runner-Up at NFA Awards.

5 Star Rated

We have over 7,568 5 star reviews – more than any other training provider!

Internationally Recognised

Work in the UK, online, or take your fitness career abroad.

Frequently Asked Questions

How Long Does It Take To Become A Fitness Instructor?2025-09-11T12:47:49+01:00

Qualifications to become a fitness instructor will differ in duration depending how you choose to study.

Students studying full-time will complete the course over 2 weeks. However, those learning online or part-time can study at their own pace, with an average completion time of 6 and 8 weeks.

How Old Do You Need To Be To Become A Gym Instructor?2025-09-12T16:25:11+01:00

To complete a Level 2 Fitness Instructor Course, you need to be at least 16 years old or work in a gym.

What Qualifications Do I Need To Become A Fitness Instructor?2025-09-15T12:56:32+01:00

To become a fitness instructor, you need a Level 2 Fitness Instructor qualification. You can then progress onto a Level 3 Personal Trainer as this is an entry requirement for enrolment on this course.

However, the fastest and most affordable way to gain both of these qualifications is by enrolling on a Personal Trainer Diploma which combines both of these courses.

Can You Be A Gym Instructor Without Certification?2025-09-15T11:20:20+01:00

A Level 2 Fitness Instructor Certificate is the minimum requirement to work in a gym in the UK, you cannot become a Gym Instructor without completing this course.

Some employers may even ask for a Level 3 Personal Trainer Qualification as well. If you’re looking to gain both qualifications, you should consider a Personal Trainer Diploma. This allows you to gain these qualifications in the quickest and most affordable way.

Do I Need A Degree To Become A Fitness Instructor?2025-09-15T11:23:52+01:00

You do not need a university degree to become a gym instructor. Vocational qualifications such as OriGym’s Level 2 Fitness Instructor Course are the minimum requirement set by employers to work in gyms within the UK.

How Much Can A Fitness Instructor Earn In The UK?2025-09-11T14:55:28+01:00

From the salary data provided by Glassdoor, fitness instructors can earn anywhere between £17,000 – £27,000 a year. Indeed states the average base salary for those who are employed as £37,810. This can be increased depending on commission or experience.

For those working freelance, you can increase your earnings by taking on more hours or expanded the services or classes you offer. Factors such as experience, location, and whether you work in a chain gym or independent business can also influence earnings.

You can also become self employed, meaning you can recruit your own clients and choose how many hours you work. You can then set and change your own rates.

What Skills Do I Need To Become A Fitness Instructor?2025-09-11T15:32:08+01:00

A successful fitness instructor needs strong knowledge of exercise science, clear communication, and motivational skills. They should be adaptable, approachable, and professional, with the ability to lead sessions, build client relationships, and stay organised. Business awareness and self-promotion also help them stand out in the industry.

For more information, check out our article: Fitness Instructor Skills, Qualities, & Requirements.

Are There Progression Opportunities For Fitness Instructors?2025-09-16T08:46:49+01:00

There are plenty of progression opportunities once you become a gym instructor and by gaining additional qualifications, you can expand the services you offer.

Some of the most popular advanced qualifications students pursue after becoming a fitness instructor include:

  • Level 3 Personal Training – This course qualifies you to work with clients on a 1-on-1 basis, creating tailored workout programmes for their specific goals. By upskilling with the Level 3 Qualification you can become a personal trainer in addition to completing your regular fitness instructor duties.
  • CPD Courses – Continuing Professional Development (CPD) courses help you to develop a niche as a fitness instructor, in areas such as Body Weight Training as well as Business and Marketing. You can attract a specialised demographic due to you being regarded as an expert in that particular area.
  • Level 4 Advanced Sports Nutrition – Develop the skills needed to offer nutrition coaching that will facilitate the goals of your customers, and increase the value of your fitness services.

Partners & Awards

The UK’s #1 Training Provider

British Fitness Awards 2024 & 2025 Training Provider Winner
UKactive 2025 Education Provider Finalist
National Fitness Awards 2025 Shortlisted

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Students

At OriGym, our courses are designed to be affordable and convenient, without compromising quality. Whether you’re interested in nutrition, sports massage, or personal training courses, all of our qualifications provide you with the skills, knowledge and practical experience needed to excel in the fitness industry.

We’re proud to have an outstanding tutoring team, made up of highly-qualified and experienced fitness professionals. Our dedication to excellence has earned us the prestigious ‘Enhancing’ status from CIMSPA, the highest number of 5-star reviews in the industry, and features in top publications including the BBC, Sky News, Men’s Health, and The Independent.

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