Name: Fat & carbs burnt (rate and total)
Rating: 3.9 (12 reviews)
Author: LiborV

Estimates the amount (and rate) of fat and carbs burnt during an activity - keep aware and avoid bonking, or calculate weight loss.

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Based on the caloric output from Garmin's Firstbeat algorithm and the percentage of fat / carbs burn rate depending on the user's current personal heart rate zone. Zone 1,2: 85% fat, 10% carbs; Zone 3: 50% fat, 50% carbs; Zone 4: 15% fat, 85% carbs; Zone 5: 10% fat, 90% carbs. 