# What does 80 gsm paper mean?

GSM means grams per square meter in measurement. It is the measure of the weight and type

### Weight of 500 sheets of A4 paper?

That depends upon the density of the paper. 16 sheets of A4 paper make exactly 1 sq m. Manufacturers make paper in varying thickness as specified by the density in grams per square metre (gsm). The usual densities are 60 gsm, 70 gsm, 80 gsm, 90 gsm. These lead to weights of: 60 gsm → 500 x 60/16 = 1875 g = 1.875 kg = 1 7/8 kg 70 gsm → 500 x 70/16 =…

### What is the meaning of GSM in paper products?

GSM stands for Grammes per Square Metre - and is how the quality of paper is measured. Normal office paper is either 60 or 80 grammes - good quality paper would be 100 to 120 grammes. Actually, it is how the THICKNESS of paper is measured, in a roundabout way. The more paper weighs, the thicker it is.

### How much does 1 ream of paper weigh?

A ream of paper is 20 quires of paper. A quire is defined in different ways. As a number it is currently 25 sheets of paper, but formerly it was 24 sheets. So, if we assume that a quire is 25, and a ream is 20 quires, then a ream is 20 x 25, which is 500 sheets. All you have to do now is to find the weight of 1 sheet of paper and…

### What can be used to measure the thickness of a piece of paper?

GSM 'grams per square meter' is used in Europe to determine the thickness of paper. For instance, low quality photo copy paper is usually 80 gsm. ADDED: That is indeed how paper is described for sale and use; but if we take the question literally, you would measure its thickness with a micrometer or precision caliper, and the units read from either instrument would be hundredths of millimetres (or thousandths of inches).

### What is boyfriend value when talking about Kraft Paper?

yar, BF means Burst factor it is a measurement used for testing the paper strength. an equipment is used namely BF tester by which it is tested. If higher the BF strength will be high. How testing : mechanism is that we are passing some kind of air through the whole on which paper is put and check in what preassure the paper brokes and multiples the value with one squr metre of the said…

### How do you calculate gsm in paper?

Take a paper of standard size. Measure its mass in gram using an electronic balance. Find its dimensions (length and breadth) in meter. Find the area in meter2. Get the gsm by dividing the mass in gram by area in meter2. Example: If the mass of a 42cmx33.5cm paper is 8.15gram then its gsm is 58 . (8.15/.42/.335 = 58) You will get more accurate results by using multiple sheets of paper. I usually use…