Comments on: The case for a Garmin Index S3 with segmental body composition

By: Marko Maslakovic

Marko Maslakovic — Thu, 25 Dec 2025 21:30:40 +0000

In reply to Stuart. Lots of scales struggle with body fat figures. I've been using Withings scales which are a bit better - but even they struggle sometimes.

By: Stuart

Stuart — Thu, 25 Dec 2025 20:54:06 +0000

Even something as simple as an option to default the first weigh in of the day as the official reading for long term trends.

My S1 and S2 are consistently 8 or 9% apart when it comes to bodyfat measurement. I honestly think the body composition reliability is terrible and ignore it.

By: Eli

Eli — Sat, 20 Dec 2025 14:26:14 +0000

It would be interesting if they could do heart rate variability during the weigh-in. This way if you do a measurement in the morning as a morning routine it would automatically do a hrv measurement while standing in the same position everyday. This morning measurement is generally thought of as more useful than the sleeping heart rate variability so that measurement when fed back into the cloud could then get onto your wearables to make the algorithms on the wearables more accurate like body battery.
I do wonder if other measurements that the scale can do would have any usefulness in making the metrics on the wearables more accurate.
It would seem like they could offer a pre-workout measurement and a post-workout measurement feature which could be used to tell how much water you need to drink after the workout. This could also be used to track how stuff the scale measures changes from the workout and maybe have a useful metric from that. (Look at some of the metrics the withings body scan measures that are not on normal scales)