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Cardio vs. Strength Training: Which Is Better for Weight Loss?

The eternal debate: Should you do cardio or strength training to lose fat? The answer is more nuanced than you think.

7 min read

Cardio: Benefits and Limitations

Benefits of cardio:

  • Burns the most calories per minute during activity
  • Improves cardiovascular health
  • Low barrier to entry (walking, jogging, cycling)
  • Good for mental health and stress relief

Limitations:

  • No significant afterburn effect
  • Doesn't build muscle mass (can even reduce it)
  • Body adapts → same distance burns fewer calories over time

Strength Training: The Underrated Fat Burner

Benefits of strength training:

  • Muscles increase your basal metabolic rate – 1 kg of muscle burns about 13 kcal/day at rest
  • Stronger afterburn effect than cardio
  • Protects muscle mass during a diet
  • Improves body composition (less fat, more muscle)
  • Increases insulin sensitivity

Science is clear: Strength training during a diet is essential to minimize muscle loss. Without strength training, up to 25% of weight loss can come from muscle mass.

The Optimal Combination

The best strategy combines both:

  1. Strength training (3–4x/week): For muscle maintenance and building
  2. Moderate activity (daily): 8,000–10,000 steps (NEAT)
  3. Optional cardio (1–2x/week): HIIT or LISS for additional calorie burn

Priority: Strength training > NEAT > Cardio. Use our Calorie Calculator to determine your optimal deficit.

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