Calculate an Estimated Nutri-Score (A–E)
Enter nutrition values per 100g. This tool estimates the standard Nutri-Score method for general solid foods.
What is a Nutri-Score calculator?
A Nutri-Score calculator is a nutrition label tool that estimates a food’s front-of-pack grade from A (best) to E (least favorable). The score is based on nutrient profiling rules that balance nutrients to limit (like sugar and saturated fat) against nutrients or ingredients to encourage (like fiber and fruit/vegetable/legume/nut content).
In simple terms: lower negative points and higher positive points produce a better grade.
How this calculator works
Step 1: “Negative” points (0 to 40)
Points are added for nutrients generally associated with lower diet quality when consumed in excess:
- Energy (kJ)
- Total sugars (g)
- Saturated fat (g)
- Sodium (mg)
Step 2: “Positive” points (0 to 15)
Points are then subtracted for nutrition and composition factors linked to better food quality:
- Fruit/vegetable/legume/nut percentage
- Fiber
- Protein
One important rule is applied: when negative points are high (11 or more), protein points may not be counted unless fruit/vegetable/legume/nut content is very high (80%+). This prevents protein from masking otherwise poor nutritional quality.
Step 3: Final score to grade conversion
The calculator computes:
Final score = Negative points − Positive points
Then maps the result for general foods:
- A: score ≤ -1
- B: 0 to 2
- C: 3 to 10
- D: 11 to 18
- E: ≥ 19
How to use this nutrition score calculator correctly
Always enter values per 100g
Nutri-Score uses standardized 100g values. If your package shows per serving data, convert it first.
Be precise with sodium units
This calculator asks for mg sodium, not salt. If your label gives salt (g), convert carefully before entering numbers.
Estimate plant-content realistically
If exact fruit/veg/legume/nut percentage is unavailable, use ingredient order and product type to make a conservative estimate.
Practical ways to improve a product’s Nutri-Score
- Lower added sugar where possible.
- Reduce saturated fat by changing fat sources.
- Cut sodium through recipe reformulation and flavor balancing.
- Increase fiber with whole grains, legumes, or seed ingredients.
- Raise fruit/vegetable/legume/nut share in the recipe.
Improving one nutrient can help, but balanced reformulation usually gives the biggest change in final grade.
FAQ
Is this an official government calculator?
No. This is an educational Nutri-Score estimate based on commonly published scoring thresholds for solid foods.
Can I compare two products with it?
Yes. It is useful for quick side-by-side comparisons, especially within the same product category (for example, cereal vs cereal).
Does a better grade mean I can eat unlimited amounts?
No. Nutri-Score helps with relative food quality, but portion size, overall dietary pattern, and individual health needs still matter.
Bottom line
If you want a fast, practical healthy food score, this nutri score calculator gives a clear estimate from A to E and shows exactly how each nutrient affects the result. Use it for smarter shopping, recipe improvement, and better label literacy.