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health.borg-rpe-mets Calculator
Converts Borg RPE scale (6–20) to estimated heart rate and METs, and shows the corresponding Zone 2–5 training intensity. RPE is a validated subjective intensity measure — RPE 13–14 ('somewhat hard') corresponds to approximately lactate threshold.
Inputs
Borg Rpe Score
Reference formula or conversion factor shown for context.
Body Weight Kg
Body or object weight. For health calculators, usually in kg or lbs.
Exercise Duration Min
Length of time the process lasts. Ensure units are consistent with rate inputs.
Results
estimated heart rate (bpm)
The value at the specified point or condition.
estimated METs
The value at the specified point or condition.
estimated kcal/min
The value at the specified point or condition.
total energy expenditure (kcal)
The combined total across all inputs and components.
RPE scale
Reference formula or conversion factor shown for context.
HR_est = RPE×10
Reference formula or conversion factor shown for context.