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Weight & Body Metrics

Logging weight and body fat, and reading the trend without chasing the noise

4 min readUpdated Sep 2, 2026

Logging your weight

On the web, open Track, then Weight. Type your weight and save. The box is labelled with your own unit — kilograms or pounds, from your unit preference in Settings — and the value is converted for storage, so switching units later does not corrupt your history.

On the phone, Log Weight does the same and adds an optional body fat percentage field beside it.

Entries out of a plausible range are refused rather than stored, because one mistyped entry distorts every average that reads it.

What the page shows you

  • Your latest weight.
  • Your change over 28 days.
  • Your 28-day average.
  • Your history, with body fat shown on the entries that carry it.
  • The phone shows the same history plus a weight trend on the weekly summary, drawn in your own unit.

    Reading the trend rather than the number

    Day-to-day weight moves several pounds on food volume, salt, hydration and hormones. None of that is fat.

  • Weigh at the same time, ideally first thing after waking and before eating.
  • Weigh on the same scale, in the same amount of clothing.
  • Read the 28-day change, not yesterday against today. That figure is on the page for exactly this reason.
  • Expect flat weeks. They are normal, and they are not evidence that nothing is happening.
  • What ClapDiet does not track

    There are no waist, hip, chest or arm measurements, no muscle-mass field, no BMI reading and no progress photos. Weight and body fat percentage are what it stores, and it does not present estimates of anything else as though they were measured.

    Where it fits

    Your weight feeds the derivation of your hydration target and your energy needs. Keeping it current is what moves those off their defaults.


    Related Articles:
  • Daily Food Logging
  • Progress Tracking
  • Tagsweightbody fatmeasurementsscaletrend
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