How to Say "calculated benefit" in Spanish
The Spanish word for “calculated benefit” is “conveniencia” — B2 level.

Examples
Ellos son amigos solo por conveniencia.
They are friends only for self-interest.
Fue un matrimonio de conveniencia.
It was a marriage of convenience.
A veces la gente actúa por pura conveniencia personal.
Sometimes people act out of pure personal advantage.
Using 'de' for Purpose
When you want to say why something exists (like a type of marriage), use 'de' + conveniencia.
Negative Nuance
In this context, the word often carries a slightly negative feeling, implying the person is being a bit selfish or cold.
Interest vs. Convenience
Mistake: “Saying 'por mi interés' when you mean it's convenient for you.”
Correction: Use 'por mi conveniencia' when it makes your life easier, and 'por mi propio interés' when you gain a specific selfish advantage.
Related Translations
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