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Calculates BMI based on user profile. Must connect to WiFi for data. Includes "athlete" mode. Supports 8 users. Display is lit. Has an app for data. Can set a goal weight. 0.1 pound resolution. Turns on automatically when stepped upon. Automatically recognizes user.

About

The Fitbit Aria is part of the Scale test program at Consumer Reports. In our lab tests, Scale models like the Aria are rated on multiple criteria, such as those listed below.

Weight accuracy: How accurately the scale measures body weight.

Weight repeatability: How repeatably the scale reports the user's weight.

Body-fat accuracy: How accurately the scale measures body-fat percentage.

Features

Calculates BMI Calculates BMI Calculates Body Mass Index (BMI) based on the user's entered profile.
Yes
Water % Water % Reports body-water percentage.
No
Muscle % Muscle % Reports body muscle-mass percentage.
No
Bone % Bone % Reports body bone-mass percentage.
No
Users Users The number of users the manufacturer claims the scale can be used by.
8
WiFi WiFi Uses WiFi to connect to the internet to communicate readings.
Yes
Bluetooth Bluetooth Uses Bluetooth to connect to a smart device to communicate readings.
No
Auto recognition of user Auto recognition of user Units recognize the user based on weight.
Yes