A: yup, up to 4 users can track stats.
A: yup, my husband and I both use this scale. It will track both of us.
A: Hi, no this scale does not connect/sync to an app
A: Hi, please contact the scale customer service number: 1-800-326-6247
A: Yup, there is a setting to toggle between lbs and kg.
A: I recommend contacting the Conair customer support team. They worked wonders with helping me get my scale set up. Here is the phone number 1-800-326-6247
A: I measured mine. it is 13 3/4" X 13 3/4".
A: The lithium batteries are CR2032 (coin cells)
A: BMI is measured with the metal strips. It's based on the time it takes for electrodes to travel from one foot to the other.
A: Hi MP - I had a similar issue. I lost my instruction book and couldn't reprogram the scale. I was able to get what I needed at the Conair customer service phone number 1-800-326-6247