Does Fitbit Overestimate Calories?

How much does Fitbit overestimate calories burned?

The researchers found that the best-selling Fitbit Charge 2, which costs around £80, was fairly accurate in estimating the calories burned while running, underestimating by only four per cent.

However, the device underestimated the calories burned during walking by more than 50 per cent..

Are Fitbits accurate for calories?

One study found that the Fitbit Surge had the most accurate calories burned calculation among a group of similar devices, with an error rate just over 25%. The other similar devices tested had comparatively higher error rates – up to as much as 93%.

Why is my Fitbit saying I burned calories?

ANSWER: Your Fitbit tracker’s calories-burned tally resets each night at midnight. So the number you see on your tracker (or in your Fitbit app) first thing in the morning is your estimated calorie burn for the day so far. … (For more information on BMR, see How Does Fitbit Estimate How Many Calories I’ve Burned?)

Does fitbit exaggerate calories burned?

Visit Business Insider’s homepage for more stories. But according to a series of studies from 2017, the Fitbit Surge in particular has a margin of error of around 27% when it comes to counting calories burned during exercise and throughout your day.

Does fitbit overestimate steps?

“Consistent evidence indicated that Fitbit devices were likely to meet acceptable accuracy for step count approximately half the time, with a tendency to underestimate steps in controlled testing and overestimate steps in free-living settings,” explains the medical journal, published in JIMR Health.

Why is my Fitbit Overcounting calories?

The regular FITBIT Flex can only go by the physical activity. It can only base it on movement. With the HR, if you go from doing nothing to walking upstairs, it obviously picks up an increased heart rate, which translates to more calories burned, hence the higher numbers.