WHBL: Fitness Trackers’ Accuracy Varies Widely For Calories Burned

“Even though many people swear by fitness trackers to help lose weight and stay in shape, a review of existing research confirms that many of these gadgets are not very good at measuring how much energy we burn. For the analysis, researchers examined data from 60 previously published studies that tested the accuracy of energy expenditure measurements for 40 different devices worn on the arm or wrist. Accuracy varied widely, but it was a bit better when devices factored in other measurements like heart rate to calculate calories burned.” Read more at WHBL