Exercise Calorie Burn — What Fitness Trackers Get Wrong

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Overview

Most people significantly overestimate exercise calorie burn, which can derail weight loss goals. Understanding MET values sets realistic expectations.

The Formula

Calories = MET × Weight (kg) × Duration (hours)

Standard formula used by professionals worldwide

Worked Example

Step-by-step

Running MET=8, 70kg, 45 min → 420 kcal — less than one typical fast food burger

Key Concepts

Accuracy: Results are as accurate as the inputs you provide
Units: Always use consistent units throughout your calculation
Verification: Double-check important calculations before making decisions
Professional advice: For major financial, health, or structural decisions, consult a qualified professional

Privacy and Security

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Frequently Asked Questions

Are fitness trackers accurate?

Typically overestimate by 15-40%. Use as relative guidance, not absolute counts.

Highest calorie burn per hour?

Running, cycling, rowing, HIIT (MET 8-12) burn the most.

Does weight affect burn?

Yes — heavier people burn more for same activity because they move more mass.

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