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How Many Exercise Sets & Reps Should You Do To Lose Weight?

A trainer pinpoints the "sweet spot" of sets and reps to perform for weight loss.
FACT CHECKED BY Alexa Mellardo

Let's cut to the chase: resistance training is phenomenal for weight loss. Pair it with cardio and a balanced diet; you've got the ultimate fat-burning trifecta. While cardio often gets all the attention for shedding pounds, strength training brings its own heat—helping you lose weight and build lean muscle that revs up your metabolism around the clock. The big question that often comes up is: How many sets and reps should you do for weight loss?

Whether you're a seasoned lifter or just starting, you must strategically structure your strength training sessions. Let's break down the ideal sets, reps, and strategies that will help you maximize your workouts, stay engaged, and reach your weight-loss goals faster!

The Sweet Spot: Ideal Sets and Reps for Fat Loss

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When you want to lose weight, your strength training should mix muscle-building and calorie-burning. Aim for three to four sets per exercise and eight to 12 reps per set. This sweet spot helps build muscle without being overly taxing, allowing you to keep your heart rate up and burn calories throughout the session.

Lifting weights in this rep range also targets hypertrophy, which builds lean muscle. Lean muscle mass is metabolically active tissue, meaning it burns calories even when you're at rest. So, not only are you torching calories during your workout, but your body also keeps the fire going long after you've left the gym.

How Often To Work Out for Weight Loss, Based on Your Fitness Level

Why You Shouldn't Skip on Intensity

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Intensity matters as much as sets and reps when trying to lose weight. You want to challenge your muscles and keep your heart rate elevated for weight loss. To do this, choose a heavy weight to fatigue your muscles by the end of each set. If you're breezing through your sets, the weight is too light, and you won't see the results you're after.

The key is to find a balance—choose a weight that's challenging but still allows you to maintain proper form. As a rule of thumb, if you can crank out more than 12 reps easily, it's time to go heavier. Push yourself during each set, and your body will thank you later with a faster metabolism and lean physique.

The #1 Most Effective Exercise for Weight Loss

The Power of Compound Movements

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Focus on compound movements to maximize your weight-loss efforts—exercises that work for multiple muscle groups simultaneously. Think squats, deadlifts, pushups, and rows. These movements help build muscle and burn more calories than isolation exercises like bicep curls or leg extensions.

Incorporating compound exercises into your routine also boosts your workout efficiency, allowing you to finish more in less time. This is especially helpful if you're trying to fit workouts into a busy schedule. Compound movements challenge your body in new ways, helping you build strength, increase endurance, and torch calories simultaneously.

Strength Training for Fat Loss? Here's How Heavy Your Weights Should Be

Keep It Moving: Rest Times & Circuit Training

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Keep your rest times short to maximize calorie burn during your strength training sessions. Aim for 30 to 60 seconds between sets to keep your heart rate and your body working. This helps you burn more calories and improves your cardiovascular endurance over time.

Circuit training is another excellent way to lose weight through strength training. By performing back-to-back exercises with little to no rest in between, you can keep the intensity high and burn many calories. Plus, circuits are a fun way to mix up your routine and keep your workouts engaging!

Jarrod Nobbe, MA, CSCS
Jarrod Nobbe is a USAW National Coach, Sports Performance Coach, Personal Trainer, and writer, and has been involved in health and fitness for the past 12 years. Read more about Jarrod
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