80pt is 28mm using online calculator...28mm is 1.1 inches so I am completely confused, can you help me out?

Confusingly, a "point" has more than one meaning. In typography a point is 1/72 of an inch, but in this context it means the same as a "mil" = 1/1000 of an inch. Hence 100 points = 1/10 of an inch, and 80 points is 0.08 inch, which is slightly less than 1/12 of an inch. In metric terms 80 points is 2 millimeters. (Here's the math: 1 inch is by definition exactly 25.4 millimeters and 0.08 x 25.4= 2.032 mm.)

Are these good t make journal cover and punch holes in for the spring?

They'll make a thick one-- they're nice and solid but you'll need a pretty hefty punch for it, so if your punch can't handle a good chunk of paper at a time maybe choose a lighter weight?

How difficult is it to cut these? With scissors or exacto knife? Or small tooth saw? Thanks

Not bad with a good utility knife. Needs more than one pass but a lot easier than 100pt chipboard. I have a Carl cutter and it cuts it with a couple passes whereas 100pt takes me like 10 passes with a good utility knife.

Is it 2.2mm or 2.2cm, it is confusing. How does this translate to Pts.? Thank you

mm. The higher the pt #, the thicker and harder the chipboard is. A cereal box is also chipboard and would be like 20pt I think and it’s pretty thin. 100 pt chipboard is about 3mm and is pretty sturdy stuff

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20枚ブックボード 10 x 12.5インチ 80 PT 0.06インチ厚バインダーボードチップボードデザイナーブックボードクラフト高耐久チップボードシート製本カバー

20枚ブックボード 10 x 12.5インチ 80 PT 0.06インチ厚バインダーボードチップボードデザイナーブックボードクラフト高耐久チップボードシート製本カバー

Product ID: 725749634

👜Lightweight & portable

📏12.5in x 10in perfect size

📚80PT thick durable chipboard

Description

📚 Elevate your craft game with durable style and endless possibilities!

BULK PACK ADVANTAGE - 20 sheets to fuel all your crafting, bookbinding, and design projects
MULTI PURPOSE MASTERY - Ideal for book covers, boxes, and DIY crafts—elevate your workspace
ROBUST 80 PT THICKNESS - Sturdy 2.2mm chipboard that resists bending and wear
SMOOTH DURABLE SURFACE - Crafted from premium kraft paper for a sleek, professional finish
PRECISION CRAFTED DIMENSIONS - Sized at 12.5 x 10 inches for versatile, on-the-go creativity

This 20-sheet pack of 80PT kraft chipboard offers a perfect 12.5 x 10 inch size with 2.2mm thickness, combining durability and portability. Designed for professional-grade bookbinding, crafting, and protective covers, it features a smooth, wear-resistant surface ideal for millennial creatives seeking quality and versatility in their projects.

Specifications

ASIN	B09ZTVYBF7
Batteries Included	No
Batteries Required	No
Brand Name	Lewtemi
Color	グレー
Customer Reviews	4.7 4.7 out of 5 stars (143)
Date First Available	July 15, 2022
Manufacturer	Lewtemi
Material	クラフト紙
Model Number	OB-220509-G
Package Dimensions	33.1 x 26.1 x 4.8 cm
Package Weight	1.96 Kilograms
Size	80PT

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