Cost per 100 g makes small packs easier to compare without long decimal strings. Divide the complete price by net grams, then multiply by 100.
What to check
| Check | What to verify |
|---|---|
| Quantity | Use net edible contents. |
| Price | Include required charges consistently. |
| Display | Keep the same rounding across products. |
Use this checklist for your own comparison
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Use net edible contents.
Include required charges consistently.
Keep the same rounding across products.
A practical example
An illustrative $3 package containing 150 g costs $2 per 100 g.
Before you decide
This compares purchase quantity, not nutritional value or suitability.
For the broader task, see Compare food cost per day.
Reference and scope
FTC: online shopping provides background for this topic. Examples and checklists are original planning tools; no current seller prices or policies are asserted. The comparison prompts and examples above are practical planning aids, not reports of product testing.