To do it literally you could use cubic inches or cc,
but wouldn't word count be more useful in comparing books with each other? Or even page count?
cm3 (centimeters cubed) is the most appropriate.
bf
there are many unit which measure volume .SI units that measure volume is cubic meter .
There is really no such thing as a "liquid" unit. The unit of measure is for the VOLUME of something. The best unit for measuring the volume of a human bathtub would be the "Litre".
Any unit of volume will do the job, but the cup, pint, fluid ounce, or liter will most likely produce the most convenient number.
NO Such unit as 'Metric Inches'. In the metric system of linear measure, the unit is 'centimetres / metres'. In the Imperial System of linear measure, the unit is inches / feet. Next you are referring to linear measure, then at the end refer to volume measure; 'Cubic feet', Please clarify your question.
one page of a phonebook is measured in mm. unit thickness of a phone book is cm
mililiters
You would use Volume.
milliliter
millilitres
What measure of units would you use to measure the thickness of a phone book
liters
there are many unit which measure volume .SI units that measure volume is cubic meter .
fluid ounce
mL
you would use centimetres to measure the volume for a slice of bread
Measure what? Their mass, length, volume?
milligrams