The FDA sets minimum type size requirements for mandatory label information. Most required text — including ingredient lists, allergen statements, and manufacturer information — must use a minimum of 1/16 inch type, measured by the lowercase letter "o."
Font size requirements vary depending on which part of the label the text appears on and the size of the package.
| Label Element | Minimum Size | Notes |
|---|---|---|
| Ingredient list | 1/16 inch | Measured by lowercase "o" |
| Allergen "Contains" statement | 1/16 inch | Same as ingredient list |
| Manufacturer name & address | 1/16 inch | Must be legible |
| Net quantity of contents | 1/16 inch (small packs) to 1/2 inch | Scales with PDP area |
| Statement of identity (product name) | 1/2 the height of the largest letter in the brand name | Must be prominent and conspicuous |
| Nutrition Facts — "Calories" value | Must be larger than other nutrient values | No absolute minimum specified |
| Nutrition Facts — nutrient text | 6 pt minimum for small labels | Must be legible in context |
The principal display panel is the part of the label most likely to be seen by consumers — usually the front of the package. Type size requirements for elements on the PDP are based on the total area of the PDP.
Packages with a total surface area of less than 12 square inches may qualify for labeling exemptions, including reduced Nutrition Facts panels and the option to omit some mandatory information — provided the manufacturer includes a phone number or address where consumers can request the information.
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