Body Burner Playground

Interactive playground for exploring estimated performance, metabolic, and energy models.

Profile

Activity

Exactly 1 item must be locked. The locked one stays fixed, the changed unlocked slider is input, and the other unlocked one is recalculated.

Performance polar

HR (x) vs speed km/h (y)

Selected point

Metabolic polar

HR (x) vs fat% / carbs% (y)

Selected point

Energy polar

HR (x) vs kcal/h (y)

Selected point

Improve your fat burn accuracy

Track your heart rate in real time and optimize your training zones.

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Results

Speed
Time
simulation
Distance
simulation
HR
Energy / h
energy polar
Total kcal
energy rate × time
Fat vs carbs
metabolic polar
Fat
Carbs
BMI

Disclaimers:
This tool provides estimates based on generalized physiological models for informational purposes only. It is not medical advice, diagnosis, or treatment. For health-related decisions, consult a qualified professional.
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