How Accurate is the Calorie Burn on Your Smartwatch? | Educational Video | Biolayne

The Inaccuracy of Calorie Tracking00:00:00

Despite common beliefs, scientific studies show that modern smartwatches significantly overestimate energy expenditure. While they accurately track heart rate and steps, their calorie estimations for workouts are unreliable, often failing to account for individual variability.

Study Findings: Endurance vs. Resistance00:01:11

Research indicates that smartwatches slightly underestimate calories during endurance exercise but drastically overestimate them during resistance training, with some models showing errors as high as 116%.

Practical Application and Weight Management00:02:23

While these devices may offer relative precision to compare daily workout efforts, they are not accurate enough to dictate diet. Instead of relying on watch data, individuals should track food intake and body weight trends over time to determine their total daily energy expenditure and maintain their goals.