Body weight fluctuates daily with hydration, food volume and sleep. On its own it is a noisy signal.
Photographs taken in consistent conditions and simple tape measurements add the context that weight alone misses.
Reviewed monthly rather than daily, they usually show change well before the scale settles.
This article provides general fitness and wellness information only. It is not medical, dietetic or personalised exercise advice. Speak with a qualified professional before making significant changes to your nutrition or training.