How to Say "low-fat" in Spanish
The Spanish word for “low-fat” is “light” — A1 level. This is a very common word in everyday Spanish.

Examples
Prefiero tomar una coca-cola light.
I prefer to have a diet coke.
Compré queso light para la ensalada.
I bought low-fat cheese for the salad.
Esta mayonesa es light pero sabe muy bien.
This mayonnaise is low-calorie but it tastes very good.
One word for everyone
In Spanish, this word usually doesn't change for masculine or feminine. You can say 'un refresco light' or 'una leche light'—it stays exactly the same.
Plural forms
When talking about more than one thing, most people leave the word as 'light' (e.g., 'dos yogures light'), though you might occasionally hear 'lights'.
Don't use it for weight
Mistake: “Este libro es muy light.”
Correction: Use 'ligero' for weight. Say 'Este libro no pesa mucho' or 'Es ligero'. Use 'light' mostly for diet products.
Related Translations
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