NZ Weight Management
New Zealand has one of the highest obesity rates among OECD countries, with around 30% of adults being obese. Exercise plays a crucial role in weight management, but it's often misunderstood. Creating a calorie deficit through a combination of diet and exercise is key to weight loss. In this article, we'll explore what works, which gym formats burn the most calories, and how to set realistic expectations.
NZ Obesity Rates and Context
According to the Ministry of Health, around 30% of New Zealand adults are obese, and a further 35% are overweight. The total annual cost of obesity and overweight in NZ is estimated to be around $830 million. Regular exercise, combined with a healthy diet, can help reduce the risk of obesity-related health problems. Exercise NZ's subsidised gym scheme offers 40-70% off gym memberships for eligible individuals, making it more accessible to start a fitness programme.
Calorie Deficit and Exercise
A calorie deficit occurs when you burn more calories than you consume. Exercise can help create a calorie deficit, but it's often not enough on its own. A combination of diet and exercise is usually the most effective way to achieve weight loss. Research suggests that high-intensity interval training (HIIT) and strength training are effective for burning calories and building muscle. These types of workouts are often available at gyms, and can be modified to suit different fitness levels.
- Aim for at least 150 minutes of moderate-intensity exercise per week
- Incorporate strength training exercises at least two times per week
- High-intensity interval training (HIIT) can be an effective way to burn calories
Gym Formats for Weight Loss
Some gym formats are more effective for weight loss than others. For example, group fitness classes like Les Mills and F45 can be high-intensity and calorie-intensive. Gyms with a focus on strength training, such as Anytime Fitness and Snap Fitness, can also be effective for building muscle and burning calories. It's essential to find a gym and workout routine that you enjoy and can stick to in the long term.
| Gym Format | Calories Burned per Hour | Cost |
| Les Mills | 400-600 | $15-$30 per week |
| F45 | 500-700 | $20-$40 per week |
| Anytime Fitness | 300-500 | $10-$25 per week |
Realistic Expectations and Next Steps
Weight loss takes time and patience. It's essential to set realistic expectations and focus on progress, not perfection. Aim to lose 0.5-1 kg per week for a sustainable weight loss. With the right mindset and support, you can achieve your weight loss goals. Consider visiting our quiz page to find the best gym for your needs, or compare different gym options to find the one that suits you best.
Conclusion and Call to Action
Exercise is a crucial component of weight management, but it's often misunderstood. By creating a calorie deficit through a combination of diet and exercise, and finding a gym format that works for you, you can achieve your weight loss goals. Remember to set realistic expectations and focus on progress, not perfection. For more information on gym options and to find the best gym for your needs, visit our compare page.
π―
Not sure which gym is right for you?
Answer 6 quick questions β get a personalised NZ gym recommendation in under 60 seconds. Free, no sign-up required.
Take the free quiz β
Ready to Join?
ClassPass β Try 500+ NZ Studios Free
Not sure which gym to commit to? Try ClassPass for a month free β access yoga, HIIT, pilates, barre, cycling and more across hundreds of NZ studios.
Start free month β
Compare All NZ Gyms
Side-by-side comparison of every major NZ gym chain β verified 2026 prices, contracts, features, and honest ratings.
Compare gyms β
NZ Gym Chains β Full Reviews
Snap Fitness NZ
24/7 access, no lock-in contracts, $14β$18/week. Full pricing and what members say.
Snap Fitness review β
Jetts Fitness NZ
From $14.95/week, 24/7 keyfob access, 40+ NZ locations. Is it worth it?
Jetts review β
City Fitness NZ
Best value full-service gym in Wellington, Auckland & Christchurch. From $12.90/week.
City Fitness review β
Les Mills NZ
Premium clubs with pools, world-class group fitness. $30β$38/week. Worth the price?
Les Mills review β
Compare All Gyms
Side-by-side: price, contract, hours, and features for every major NZ chain.
Compare gyms β
More NZ Gym Guides
Cheapest Gym in NZ
Real 2026 prices from $7.99/week and tips to get joining fees waived.
Read guide β
Best 24/7 Gym NZ
City Fitness, Jetts, Anytime Fitness, Snap β compared by price and coverage.
Read guide β
Yoga & Pilates NZ
Studio prices, reformer costs, and whether ClassPass beats a studio membership.
Read guide β
How to Cancel a Gym NZ
Your rights, step-by-step instructions, and how to avoid paying out your contract.
Read guide β