How to Say "Milligrams" in Spanish

miligramos

/miliɡɾamos/from spelling rules

The English phrase "milligrams" is translated into Spanish as miligramos.

miligramos is a unit of measurement for mass equal to one thousandth of a gram.

Which one should you use?

miligramos is the standard plural form, while milis is an informal variation used to refer to the same unit.

The singular form of this word is miligramo.

/miliɡɾamos/

Spanish uses a comma as a decimal separator in many countries, so a measurement of 0.5 miligramos would be written as 0,5 miligramos.
In the context of informal street slang or drug culture in certain Latin American countries, a person might use the shortened term milis to refer to specific doses.
While miligramos refers to weight, the prefix mili is used in Spanish for other units like mililitros for volume and milímetros for length, all following the same logical pattern of one thousandth.

¿Cuántos miligramos tomas ahora?
How many milligrams are you taking right now?
This sentence is useful for asking about the quantity of miligramos someone is currently taking.
Tatoeba #884813 by alexmarcelo, translation #718017 by papabear
El medicamento se administra en dosis de cien miligramos al día.
The medication is administered in doses of one hundred milligrams per day.
Esta pastilla tiene solo cinco miligramos.
This pill has only five milligrams.
Necesito medir los miligramos con precisión.
I need to measure the milligrams precisely.

At a pharmacy counter.

Daniel

¿Cuántos miligramos tiene cada cápsula?
How many milligrams does each capsule have?
Lucía

Cada una contiene diez miligramos, Daniel.
Each one contains ten milligrams, Daniel.
Daniel

Perfecto, gracias por la información.
Perfect, thanks for the information.
Lucía

De nada, que te mejores.
You're welcome, get well soon.

Sources

IPA marked “from spelling rules” is derived from standard Spanish spelling, where Wiktionary gives none.
Example sentences: Tatoeba CC BY 2.0 FR.

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