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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Lewtemi 20 Pcs Book Board 10 x 12.5 Inch, 80 PT 0.086", Thick Binders Board Chipboard Designer Bookboard Kraft Heavy Duty Chipboard Sheets Bookbinding Supplies for Book Binding Cover

Lewtemi 20 Pcs Book Board 10 x 12.5 Inch, 80 PT 0.086", Thick Binders Board Chipboard Designer Bookboard Kraft Heavy Duty Chipboard Sheets Bookbinding Supplies for Book Binding Cover

Product ID: 454122625

📏10 x 12.5 inch perfect size

📦20 pcs bulk pack for long-term use

🛡️2.2 mm thick durable chipboard

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VT29317

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Description

📚 Elevate your craft game with Lewtemi’s powerhouse chipboard!

SMOOTH SAFE FINISH - No sharp edges or burrs, providing a premium feel and safe handling every time.
BULK SUPPLY ADVANTAGE - 20 sturdy sheets ensure you never run out during your bookbinding or crafting marathons.
HEAVY DUTY DURABILITY - 2.2 mm thick kraft chipboard resists bending and protects your work under pressure.
VERSATILE CREATIVE CANVAS - Ideal for book covers, boxes, and DIY crafts—perfect for home, office, or school use.
PRECISION CRAFTED DIMENSIONS - Optimized 10 x 12.5 inch size fits all your creative projects with ease.

Lewtemi’s 20-piece kraft chipboard set features 10 x 12.5 inch sheets with a robust 2.2 mm thickness, designed for heavy-duty bookbinding and creative projects. Lightweight yet durable, these smooth, burr-free boards offer exceptional bearing capacity and versatility, making them a must-have for professionals and hobbyists alike.

Specifications

ASIN	B09ZTVYBF7
Best Sellers Rank	#12,369 in Office Products ( See Top 100 in Office Products ) #3 in Scrapbooking Chipboard
Brand	Lewtemi
Color	Gray
Customer Reviews	4.3 4.3 out of 5 stars (1,302)
Date First Available	14 July 2022
Item Weight	1.96 Kilograms
Material	Kraft Paper
Model Number	OB-220509-G
Product Dimensions	32 x 26 x 5 cm; 1.96 kg

Reviews

N**T

Thick

1.04.2025

ع**ي

تمام

رائع

24.05.2024

L**M

Good product - good value

26.03.2026

V**W

Buyer beware

25.03.2026

A**N

Good book board; does what it’s supposed to do

3.03.2026

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