An ordinary size book should be measured in centimeters.
Inches or centimeters
The small ruler that's about as long as a large book, is usually 30 centimeters. There are 100 centimeters in a ruler, so there is 0.3 meters in that small ruler.You can get 1 meter rulers, which reach from the floor to about your chest, or to the height of a tall table.maybe a metre i don't know why are you asking me for?
0 - 1 inch Micrometer might be better to measure 10 pages and find the average.
I think I saw that you tried to include that your units were in inches. this is not a metric unit to start. convert inches to centimetres. then multiply the length by the width to get your answer in cm^2, a metric unit
Pounds
Centimeters or Meters. I'm not sure which.
centimeters
you measure the thickness of a book in inches.
centimeters
Square centimetres and square metres are measures of area in 2-dimensional space: they cannot be used to measure the length of a book cover which is a 1-dimensional measure.
Centimetre.
It is 297 mm.
Millimeters or centimeters.
What is the most appropriate instrument to measure
Inches or centimeters
Any sort of scale can be used to measure weight, which can then be used to help calculate mass. There do exist 'massometers', but those are usually less common except in laboratory environments.
Centimetres.