Compare fairly
Per 100 g removes the effect of different package sizes.
Understanding Serving Size
The difference between per 100 g, per serving and per package nutrition information.
Educational guide · Reviewed 26 July 2026What is a serving size?
A serving is the amount used for one eating occasion. Per 100 g is the standard comparison; per serving translates it into a practical portion.
100 gcompare→1 servingplan→1 packtotal
Same food. Three useful views.
What it does for the body.
Plan a meal
Per serving shows what the chosen portion contributes.
Understand the package
Per package is useful when the whole pack is normally eaten at once.
When to pay particular attention
Needs are not identical.
Age, life stage, activity and the rest of the diet can change what deserves attention.
- People comparing different can sizes
- Anyone tracking a nutrient or energy intake
- People assembling recipes from several foods
Food first.
Serving size is not a nutrient and it is not always a recommendation. It is the quantity used to calculate the displayed values.
How do we measure it?
One value. Three useful views.
Per 100 g
A standard basis for comparing different foods and pack sizes.
Per serving
The quantity associated with a stated serving. Serving sizes can differ.
Per package
The calculated total when the entire package is the relevant amount.
We show where every number comes from.
Diplomats Product Nutrition
The value belongs to the exact product, recipe and measurement basis shown. We present it as the product’s number.
Reference Nutrition Data
A scientific food database provides a range for a comparable fish. We mark it with an asterisk and never present it as a laboratory result for the product.
Nutrition Knowledge
Primary health and food-science sources explain what a nutrient does, who should pay attention and how the number is used.
What is a serving size?
A serving is the amount used for one eating occasion. Per 100 g is the standard comparison; per serving translates it into a practical portion.
Why does understanding serving size matter?
Compare fairly: Per 100 g removes the effect of different package sizes. Plan a meal: Per serving shows what the chosen portion contributes. Understand the package: Per package is useful when the whole pack is normally eaten at once.
Can a value be assumed from the fish species?
No. Diplomats separates general food education from facts verified for a particular recipe, serving and product.
What does “per 100 g” mean?
It is a standard comparison basis. It lets visitors compare products of different pack and serving sizes using the same amount of food.
How are products recommended?
The Product Finder combines product nutrition, flavour, format and the preferences you select to find the closest match.
Primary health and food-safety sources used to review this guide.
Apply the knowledge.
Compare product nutrition on the same per 100 g basis and choose what suits your meal.
Compare product nutritionPut it on the table.
Explore serving ideas and practical meal contexts connected to Diplomats products.
Explore recipesSee the knowledge in practice.
Ready to apply what you have learned?
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