Paper weight and thickness

Paper thickness and weight are measured in MIC and GSM. Standard paper weight for printing is 80 gsm.

What does MIC mean?

“Mic” (Microns) is a unit of measure used for paper thickness. One micron = 1000th of a millimeter (250mic = 0.25mm, 1000mic = 1mm).

What does GSM mean?

“GSM” stands for “Grams per Square Metre” and is used for measuring paper weight.

Different paper weights

  • 5 – 55 gsm: Very thin paper used for example daily newspapers.
  • 70 – 100 gsm: This is the weight of standard copier paper that you will find in your office or home printer. Papers for printing is normally around 80 gsm.
  • 110 – 120 gsm: Used for example letterhead, compliment slips and posters.
  • 130 – 170 gsm: Can be used as internal brochure pages, more durable posters and budget leaflets.
  • 210 – 300 gsm: Considered to be card stock. Magazines in newsagents have covers made from this weight of paper stock.
  • 350 – 400 gsm: This card and will stand up under its own weight. Premium quality leaflets and magazine covers will be printed on this weight. Business cards also are printed on this stock.

Paper weight chart

Uncoated Paper (also referred to as Bond, Offset or Laser)
WeightThicknessDescription
70gsm90micThin document paper
80gsm100micStandard copy paper
90gsm112micStandard copy paper
100gsm125micStandard Letterhead paper
120gsm150micPremium Letterhead paper
140gsm175micHeavyweight paper
160gsm190micHeavyweight paper
170gsm212micThin board
180gsm215micThin board
210gsm250micThin board
250gsm280micMedium board
270gsm310micMedium board
300gsm350micStandard board
350gsm400micThick postcard board
400gsm480micThick business card board

Sources