How to Say "volume" in Spanish
The most common Spanish word for “volume” is “capacidad” — use 'capacidad' when referring to the physical space or amount that something can hold, like the capacity of a container or a venue..
capacidad
/kah-pah-see-dahd//kapaˈsiðað/

Examples
El garaje tiene capacidad para dos coches.
The garage has a capacity for two cars.
El estadio tiene una capacidad para 50,000 espectadores.
The stadium has a capacity for 50,000 spectators.
El disco duro no tiene suficiente capacidad para guardar más archivos.
The hard drive doesn't have enough capacity (storage) to save more files.
La capacidad de la batería es de 5000 miliamperios.
The battery capacity is 5000 milliamperes.
Measure Words
When discussing physical volume, 'capacidad' often pairs with numbers and units of measure, such as 'capacidad para 10 litros' (capacity for 10 liters).
tomo
TOH-moh/ˈto.mo/

Examples
Este es el primer tomo de la colección de arte.
This is the first volume of the art collection.
La enciclopedia tiene diez tomos en total.
The encyclopedia has ten volumes in total.
Solo he leído el primer tomo de la saga.
I have only read the first volume of the saga.
El tomo final se publicará el próximo año.
The final volume will be published next year.
Gender Reminder
Remember that 'tomo' (volume) is masculine, so it uses 'el' and 'un': 'el tomo grande' (the large volume).
Confusing 'Capacity' with 'Book Volume'
Related Translations
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