Portion sizes can be tracked using measuring tools, visual references, or apps that analyze food context. Accuracy improves when portion estimation is consistent rather than perfect.
Many people use their hands as visual guides, such as palms for protein and fists for vegetables, when measuring tools are unavailable.
When eating out, visual estimation and consistency matter more than precision. Comparing meals to known portion references can help.
Learn more about what Powtain is and how it works.
Portion size tracking: Portion size tracking is the process of estimating how much food is consumed to improve calorie and nutrient accuracy.