How Much Cardio Is Actually Needed to Lose Weight?

by Ashley M.

Want to lose some body fat and feel good about yourself? Naturally, cardio is the go-to exercise for weight loss and no wonder. Your heart is pumping, you’re burning calories, and subsequently, you feel great when it’s all over. But how much cardio do you need to lose weight? Is it hours of running every day or is less more? There’s no black-and-white answer. But by understanding how cardio works and what your body needs from it, you’re bound to find your own sweet spot.  This article intends to clarify how much cardio you need to lose weight in a simple and straightforward fashion to break down your own standards without feeling overwhelmed.  So whether you’re a beginner or an experienced gym-goer, here’s everything you need to know about cardio and how much of it you need to lose weight.  

What Is Cardio and Why Does It Matter for Weight Loss?

Cardio refers to cardiovascular exercise and essentially means any exercise that elevates your heart rate and keeps it at an elevated rate over an extended period of time.  Cardio is running, biking, swimming, jump roping, dancing, power walking—any exercise that takes exertion to some degree which gets the blood pumping.  So why is it good for weight loss? Because it burns calories, and to lose weight, you need to burn more calories than you take in.  It’s that easy.  Your body uses energy while engaging in cardio activity and over time, this creates a caloric deficit which supports weight loss.

But it’s not just the calories burned through a cardio workout that contribute to weight loss. Cardio increases caloric burn at rest as well so that even after a productive cardio session, you’re still burning calories while lounging on the couch or sitting at your desk. Cardio also improves heart function, increases stamina and induces happiness—who doesn’t feel better about themselves after a solid sweat session? The only drawback? Figuring out how much cardio is enough without turning your entire life upside down.

Why Cardio is Effective for Weight Loss

When cardio takes place, the body needs to use energy reserves to power the movement; one way the body makes energy is through fat. Thus, running burns more calories than walking; sprinting burns more than running. But it’s not just the distance that helps—time works, too. A 30 minute run can burn upwards of 200-300 calories depending on weight and pace. A few times a week, that amount adds up.

The whole point of weight loss is to generate a calorie deficit; more calories need to be burned than eaten. Thus, with an appropriate diet, should one be able to maintain calorie input and use cardio to stimulate increased burned calories, then the equation equals something like “burn 300 to eat 300” if not less. As long as people do not overindulge between meals or pay attention to snacking, there isn’t a need to add more cardio to every day life; just a few sessions will suffice.

How Much Cardio Should You Do Each Week?

So what’s ideal? It varies. People have different starting levels, training and lifestyles. For optimal health, experts suggest an average of 150 minutes of moderate cardio per week. That’s just 30 minutes for five days—a doable task. Moderate exercises include brisk walking and leisurely biking—anything that increases your heart rate and breathing, but not to exertion. For people who enjoy higher-intensity workouts—sprinting, kickboxing, Zumba, etc.—the recommendation reduced to 75 minutes per week.

If a person wants to lose weight, the more cardio, the better. Ideal amounts of cardio for weight loss include 200-300 minutes of moderate activities per week (which equals about 40-60 minutes, five days per week). Those who do high-intensity activities (running faster than average speeds, jump rope, etc.) can get away with 100-150 minutes per week. Of course, this is for the fit individual; even starting with 20 minutes a day is effective for beginners. These levels can be increased over time as people feel more comfortable building up their activity levels.

What Factors Affect How Much Cardio You Need

Not everyone will need the same amount of cardio to lose weight. Every person’s body is different, and there are many factors that go into how much cardio is needed for each person. For example, current weight. The more you weigh, the more calories you burn doing certain activities versus someone who weighs less because your body exerted more energy to move.

Also, current lifestyle factors this. If you’re hectic and you can only spare 20 minutes and those 20 minutes have to work, then you’re going to formulate a more effective weight-loss regime based on high-intensity in that short time. But if you have more time on your hands, you can commit to longer, even low-intensity, sessions. Where does this physically fit into your life realistically? The plan must be manageable for compliance.

Types of Cardio for Weight Loss

Not all cardio is created equal; however, the options are plenty—great news! You do not have to run to lose weight. Walking is an exceptional method to start, particularly for those brand new to exercise. A 30-minute brisk walk can ensure that they burn calories while not being too hard on the joints. Biking is another common option, whether on a stationary bike or in the world. It’s fun and easily customizable to any fitness level.
If you’re looking for low-impact cardio that works your entire body, swimming is amazing. It’s also great if you have joint complaints. If you like music, you could look for dance-inspired options like Zumba or aerobics classes; they feel almost like a celebration, so you may not even realize you’re exercising! On the other hand, if you want something more strenuous, high-intensity interval training (HIIT) includes short bursts of more intensive cardiovascular activity (think: running) with rest. It’s time-effective and great for burning a lot of calories in less time.

The best type of cardio for you is the one you enjoy. Don’t force yourself to run if you hate it; figure out what excites you, and you’ll be more likely to do it.

How to Start a Cardio Routine for Weight Loss

Implementing a cardio routine is fairly easy! First, take stock where you are currently. If you’re starting off slow, think 15-20 minutes of walking three to four days a week—over time, progress duration and/or intensity when you’re ready; maybe add a couple of minutes each week or increase your level of exertion.

Second, make sure you have a timed schedule that works for you. Maybe morning works best if you know you’ll be busy later in the day, or maybe walking after dinner is a good way for you to cool down. The goal is consistency over perfection—a mere twenty minutes of cardio each day is far better than trying to shove an hour somewhere in your day and failing after one week.
Mix it up to avoid injury. When you avoid monotony and change it up, not only will you keep yourself motivated, but also avoid injury. Walk one day, dance with a video another day, go to the pool to swim over the weekend. Keeping your body’s workout guess not only maintains motivation but also works different muscles. And listen to your body. Pay attention to soreness, fatigue and other signs that your body needs a rest. If you go overboard, return to exercise will be less effective—and can lead to injury which you want to avoid.

Balancing Cardio with Other Factors

Cardio isn’t everything. There’s also the consideration of diet. While going on a treadmill for hours upon hours is helpful, if you’re indulging in junk food all day, you’re not doing anything proper for your body. So in addition to a proper cardio regimen, be sure to eat balanced meals with better intentions—fruits, vegetables, lean protein. Also, consider portion control and how much you eat—you might just need to eat a little less than your normal intuitive eating pattern to see effective results.

Another factor that influences effective cardio activities is sleep. If you’re not sleeping enough, your body is more susceptible to holding onto weight. Aim for 7-8 hours each night to facilitate proper recovery efforts. Also, consider your stress levels; when we’re stressed out, we tend to snack more and ruin our weight loss efforts. Instead of grabbing a bite, try deep breathing exercises or a short walk instead.

Cardio is king. Especially things like strength training on top of this. Weight training—whether that’s going to the gym to lift free weights or at-home body weight workouts like pushups—creates muscle, which has higher demands for metabolism as it burns more calories at rest. You don’t even need a fancy gym; just some staple moves a few times a week will go a long way.

Common Mistakes to Avoid

When you’re overly eager for rapid weight loss, it’s easy to dive headfirst into cardio—but some common pitfalls exist. One pitfall is too much, too soon. If you haven’t exercised in a long time, going from sitting on the couch all day to jumping into 60 minutes of cardio a day—or even every other day—will only lead to burnout or injury. Take it slow.

The second common mistake is doing cardio and nothing else. Yes, you can lose weight from doing cardio, but weight loss comes from the overall picture—diet, rest and other factors contribute significantly. Don’t beat yourself up on the scale, either. Cardio will help you lose fat, but it will also help create muscle; remember, muscles weigh more than fat. Your number on the scale may not decrease as fast as you’d like—or at all. This also ties back to previous points where your body and how clothes fit became better indicators than the scale, anyway.

Finally, don’t use cardio as punishment. If cardio seems like a punishment or a chore, you won’t want to do it for the long haul. Find activities that you love and bring a friend or two along for the ride—and maybe some music or podcasts to distract you!

How to Stay Motivated

Cardio can be a bit more challenging than sticking to a diet to remain motivated. However, when life gets busy, and it’s hard to focus on the progress you’ve made or where you want to go, one of the best ways to stick with it is to create smaller goals. For example, this week I want to walk for 30 minutes three times. If you accomplish that, treat yourself to something (not food) like a new playlist or an indulgent night at home.

You could also journal or log workouts on an app. Sometimes the motivation comes from seeing how far you’ve come; when you think you’ve done enough, you’re often convinced otherwise when reminded of previous worn efforts that are now in the past. If one needs accountability, a workout buddy will help. If someone else is counting on you to show up, it’s easier to not skip the workout.

However, if you’ve fallen into a rut and feel fatigued from the same repeated patterns, CHANGE IT UP! Find a new hiking spot, take a different dance class, or look for another sport to explore! Remember that deserved consistency can come with a tiny reward from time to time—but not food (we’re avoiding it for weight loss!). Perhaps new sneakers would be nice or workout apparel, and some fun activity would work.

When Will You See Results?

Many people also want to know “When will I see results? When will I lose weight?” It depends. As often as one does cardio, the intensity of cardio, and all other steps taken toward weight loss play a role. If one is doing everything correctly and supplementing with healthy nutritional habits, it wouldn’t be uncommon to find small changes in two weeks (feeling looser clothes, more energy).

Cardio doesn’t always translate into immediate weight loss, and if it doesn’t, don’t fret—it likely means it’s working. Consider how you feel. Are you sleeping better? Do you feel more energized? If you maintain the course, the pounds should come off eventually.

Changing Your Cardio As Time Goes On

Your body grows used to your cardio regimen after a while. When that occurs, you may need to change your regimen to keep seeing results. For example, if you’re used to 30 minutes of walking and it’s too easy without exertion, you might want to speed up your walking or add some inclines. You can increase the duration of your sessions, cram in more sessions into the week, or add a completely different workout to the regimen—biking, HIIT, etc.

Pay attention to what your body tells you. There will be signs that you need to change things up. For example, if you’ve lost weight but feel tired all the time, you’re probably overdoing it. However, if you’re comfortable and productive but find that the scale isn’t budging after a few months, you might want to increase the challenge or add an extra day of workout. Every successful plan is personal, so take it one step at a time to find your balance.

Conclusion

Losing weight through cardio is possible; note that it doesn’t come from spending hours in the gym or running until exhaustion. Instead, balance is paramount—with enough cardio and enough sweating to create a caloric deficit balanced with proper intake through healthy eating and life choices (sleep, stress management). Aim for 200-300 minutes per week of moderate cardio (or less if working intensely for shorter durations) as a baseline, but remember, adjustments will need to be made over time based on how you feel and your lifestyle. Do cardio that you love to make consistency easier. Take time to start slowly and remain consistent, in addition to not falling into the traps of excessive efforts or realistic expectations—exercise won’t solve everything without control over caloric intake—and keep yourself motivated with mini-goals and fun rewards. How much cardio do you need? It all depends; whatever fits into your lifestyle and what keeps you engaged to achieve your goals. So lace up your sneakers, whip out that newfound playlist, and get started today—your body will love you for it!

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