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Your guide to choos­ing the per­fect smart scale

THE NEW GEN­ER­A­TION OF SMART SCALES

• Smart scales con­nect to your smart­phone or tablet to en­able you to view, store and track your sta­tis­tics through an app. Al­most all trans­fer your weight and other body mea­sure­ments to an app (ei­ther di­rectly via your Wi-Fi or when con­nect­ing to your in­prox­im­ity de­vice us­ing Blue­tooth and/or Wi-Fi).

• This is a con­ve­nient way to track your progress but hav­ing your de­vice on when you step on the scale might be a nui­sance.

• These scales can only be set up us­ing an app so check the de­vice and op­er­at­ingsys­tem com­pat­i­bil­ity. Down­load the app be­fore pur­chas­ing the scale to see how you like it.

• Some smart-fit­ness de­vice man­u­fac­tur­ers, such as Fit­bit, Garmin, and Po­lar, re­quire you to use the app, scale, and a smart de­vice to­gether.

BMI

Many peo­ple con­fuse body-fat per­cent­age with BMI but they're com­pletely dif­fer­ent. BMI stands for ‘body-mass in­dex' and it's a nu­meric ex­pres­sion of the re­la­tion­ship be­tween your height and weight. You cal­cu­late your BMI by di­vid­ing your weight in kilo­grams by your height in me­tres squared.

Here's how BMI val­ues are cor­re­lated with body-weight sta­tus:

• UN­DER­WEIGHT: <18.5

• NOR­MAL WEIGHT: 18.5–24.9

• OVER­WEIGHT: 25.0–29.9

• OBE­SITY: >30.0

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