Preciso vs. exacto
In Spanish, the words preciso and exacto are often used to mean exact or precise, but they have different nuances and uses. Understanding the difference between these two words can help in using them correctly.
Preciso
B1The word preciso generally means something necessary, accurate, clear, or required, but it can also mean precise or exact in some contexts.
Es preciso que llegues a tiempo.
(It is necessary for you to arrive on time.)
Necesito una descripción precisa del lugar.
(I need an accurate description of the place.)
La medición debe ser precisa.
(The measurement must be precise.)
Exacto
A2The word exacto specifically refers to something that is exactly correct or without deviation. It emphasizes absolute accuracy and correctness.
La respuesta es exacta.
(The answer is exact.)
Necesito el número exacto de asistentes.
(I need the exact number of attendees.)
El reloj marca la hora exacta.
(The clock shows the exact time.)
Summary
In summary, while both preciso and exacto can mean precise or exact, preciso emphasizes necessity and accuracy in a broader sense, whereas exacto refers to something that is completely correct and without deviation.