Graphic Design & Printing Technology

Reference Book

Conventional paper sizes

Conventional paper size is also known as Indian paper size. Commonly used

Indian paper sizes are :

Foolscap 13.5” X 17”

Crown 15” X 20”

Demy 17.5” X 22.5”

Medium 18” X 23”

Royal 20” X 25”

Imperial 22” X 30”

Elephant 23” X 28”

GSM:- Basic weight system of paper is expressed in Grams per Square Meter.

It is the weight in grams of a paper with one square meter size.

GSM below 150 - Paper

GSM between 150 & 600 - Card

GSM above 600 - Board

Ream:- 500 sheets of paper of same size and weight is termed as Ream.

Basis weight:- Weight of 500 sheets of paper of standard sheet size.

For example, the basis weight of 70 GSM paper with basic size as double

demy is 18.6 kg.

M-weight:- Weight of 1000 sheets of paper of standard sheet size.

For example, the M weight of 70 GSM paper with basic size as double demy is

37.2 kg.

Conversion of GSM to basis weight

Length in meter breadth in meter x GSM No. of sheets(500)

1000

Estimating Paper Quantity

Cancellation method for calculating the greatest no. of sheets that can be cut

from a single, full size sheet.

Eg: Sheet size - 11 17

Required cardsize - 5 X 8