Can you lose weight with strength training and no cardio?
Yes. You do not need a separate cardio workout to lose fat: the overall energy balance matters. Strength training can help preserve fat-free mass and strength as weight falls. Skipping all aerobic activity, though, leaves out exercise that supports cardiovascular fitness.
What strength training adds during weight loss
A workout contributes to total energy expenditure, but exercise alone does not guarantee weight loss. Food intake and everyday movement affect the balance too. The US National Institute of Diabetes and Digestive and Kidney Diseases explains the balance; our calorie deficit article covers it in more detail.
Strength training offers a different benefit. In a review of 25 randomized trials involving adults with overweight or obesity, adding resistance exercise to a diet did not change total weight loss compared with diet alone. The exercise groups lost more fat and better preserved fat-free mass. Fat-free mass includes more than muscle, so it is not a direct measurement of muscle tissue.
Two people can see the same change on the scale but lose different amounts of fat and fat-free tissue. If body composition is your concern, how you feel and perform in training offer context that a machine's calorie number cannot. Our article on calories burned during exercise covers the limits of those estimates.
If you choose only one type of exercise
In an eight-month trial of 119 previously sedentary adults with overweight or obesity, aerobic training reduced body weight and fat mass more than resistance training alone. The resistance program increased lean mass. This comparison does not mean that weight loss without cardio is impossible.
Choose a routine you can maintain. If running or an exercise bike does not suit you, strength training alongside a sustainable eating pattern is still an option. Aerobic activity does not need a gym slot: a brisk walk on your way somewhere counts as physical activity, according to the WHO.
What if you skip aerobic activity entirely?
It is not required for fat loss. For health, the WHO recommends that adults get 150–300 minutes of moderate aerobic activity a week, or 75–150 minutes of vigorous activity, plus muscle-strengthening work for major muscle groups on at least two days. Strength work complements aerobic activity in these guidelines; it does not replace it.
If you are mostly inactive now, start with short walks and build up gradually. Some activity is better than none. If you have heart disease, uncontrolled blood pressure, or another condition that limits exercise, discuss a suitable level of activity with a clinician.
A routine without scheduled cardio sessions
- Pick strength exercises you can do regularly. The WHO benchmark is to work the major muscle groups on at least two days a week.
- Look at food intake as part of the overall energy balance. A machine's calorie estimate does not automatically call for an extra serving.
- Make room for ordinary movement: walk part of a journey, take a stroll, or use the stairs. It still counts if your schedule has no session labelled "cardio".
If weight changes more slowly than expected, first look at eating and everyday movement before adding exhausting workouts. If thoughts about food or exercise become obsessive, seek professional support rather than tightening the rules.
Frequently asked questions
- Can I lose weight with strength training alone?
- Yes, if your overall energy intake stays below expenditure. Strength training can help preserve fat-free mass and strength during weight loss, but it does not guarantee weight loss by itself.
- Does strength training burn fat better than cardio?
- They have different effects. In one exercise trial, the aerobic group lost more weight and fat than the resistance-only group. In a review of dieting studies, adding resistance exercise improved the composition of weight lost without increasing total weight loss.
- Does walking count as cardio?
- Brisk walking can count as moderate aerobic activity. It can happen during a trip on foot rather than in a dedicated workout, as long as the pace is brisk for you.
- How often should I strength train?
- The WHO recommends activities that strengthen major muscle groups on at least two days a week for adults. Choose the amount and difficulty to suit your experience and health.
Read next
- Calorie deficit: how to calculate it and how to hold it — A calorie deficit is the one thing without which weight does not come down.
- How many calories are burned during a workout: running, cycling, swimming, gym — An hour of running at a moderate pace for a 70 kg person is about 550–700 kcal, cycling at a leisurely pace is 350–450, swimming is 400–600, and strength training is 200–350.
- Why a sedentary lifestyle is harmful — Sedentary work affects health not because a person doesn't exercise enough, but because they barely move during the other fifteen hours of the day.
- How much protein do you need per day — There are two opposing figures regarding protein: the official recommendation of about 0.
This article is for general information. It is not medical advice, a diagnosis, or a prescription for treatment or a diet, and it does not replace a consultation with your doctor. If you have a health condition, are pregnant, take medication, or follow a diet prescribed to you, decisions about food belong with your doctor.
Figures from regulations, guidelines and studies are given as they stood when this article was prepared and may since have changed; check them against the primary sources. This article is not advertising, an offer, or individual advice, and neither the author nor the site owner is responsible for decisions taken on the basis of it.