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

Lewtemi ブックボード製本用チップボード 12 5 X 10インチ 80pt グレー 20枚

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Description

📚 Elevate your craft with Lewtemi – where durability meets design.

BULK READY - 20 robust chipboard sheets ensure you never run out during your creative or professional projects.
BUILT TO LAST - Crafted from thick 80pt kraft paper, these boards resist bending and wear, protecting your work with confidence.
SMOOTH SAFE - Smooth edges and a sturdy surface mean no snags or damage, perfect for professional-grade results.
VERSATILE UTILITY - Ideal for bookbinding, crafting, packaging, and office use—unlock endless possibilities with one product.
PORTABLE PRECISION - Sized at 12.5 x 10 inches for easy handling and storage—fits seamlessly into your busy lifestyle.

Lewtemi’s 80pt gray chipboard sheets measure 12.5 x 10 inches and come in a convenient pack of 20. Made from high-quality kraft paper, these 2.2mm thick boards offer exceptional durability and wear resistance, making them perfect for bookbinding, crafting, and office projects. Lightweight and portable, they combine professional-grade sturdiness with versatile everyday use.

Reviews

N**T

Thick

Very sturdy

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ع**ي

تمام

رائع

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Q**E

Smoll

It’s smaller than expected, make sure to check measurements

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N**I

NOT GOOD FOR BOOKBINDING

If your looking for bookboard for making hardcover books this is not it, technically false advertising. This board is as thin as paper, perhaps good for paper crafts but not bookbinding. This is a return for me.

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D**M

Chipboard

Good quality. Durable

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14558 som

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In stock

Sold byAmazon KyrgyzstanDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Kyrgyzstan.

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ASIN	B09ZTVYBF7
Amazon.co.jp での取り扱い開始日	2022/7/15
おすすめ度	4.5 5つ星のうち4.5 (719) var
サイズ	80PT
ブランド	Lewtemi
商品の数量	20
材質	クラフト紙
色	グレー
製品サイズ	32 x 26 x 5 cm; 1.96 kg
製品型番	OB-220509-G

Lewtemi ブックボード、製本用チップボード、12.5 x 10インチ 80pt、グレー 20枚

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