Millimetres
You would typically use inches to measure a paperback book. You can measure the length, width, and thickness of the book in inches to determine its size.
METERS!!!The unit of measurement you would use to measure the width of your classroom is meters.
You would typically use centimeters (cm) or millimeters (mm) to measure the width of a book. These units provide a more precise measurement for smaller objects like books.
Measure the length and the width. Or if you are feeling particularly energetic, then one of them and the diagonal.
Centimetre.
Parsecs
a ruler
Inches or centimetres are fine for a book's dimensions. Measure the width, height and depth to determine the volume. If you are talking about the length of the book's narrative, word count is probably the most accurate.
You could use either inches or centimeters to measure the width of a sheet of paper.
I would suggest centimeters but lots of people use inches.
15 m
ruler