[andersbiro]

As a matter of fact the calorie calculations seemed consistent in the beginning but recently I have received some really odd results from laps with distance and average heartrate being roughly the same but calories still differing a lot (we talk three times or more)

Hence I am actually quite curious in how Sunto T3 actually measure burnt calories since it is obviously not just from weight and distance?
Is it somehow based on the heartrate/TE which might explain things since the heart belts seems quite unreliable from time to time?

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	Sunnto t3 - Click for more info At one point a fitness enthusiast who wanted to monitor and track their heart rate, caloric burn, and other exercise data would need a tangle of electrodes, complex equipment, and extensive personal guidance from a certified fitness trainer. Today, all you need is a Suunto t-Series wristop training device, a PC, and one or more accessories to create an optimal training range that outlines your ideal energy expenditure and muscle exertion while preventing you from overworking and damaging your muscles.