Free Paper Weight Converter — GSM, LB & Points

Print Calculators

Paper weight converter for printers

Translate gsm to lb and lb to gsm while understanding paper caliper and paper thickness for accurate print specifications. Use it free online — or upload files for free Human + AI review by our prepress team.

gsm to lblb to gsmpaper calipercover vs text weightpaper thicknesscardstock weightenvelope weightpaper calculatorprint specificationpress ready quote

350 GSM ≈ 100 lb cover ≈ 14 pt cardstock (typical)

Free Human + AI option

Not ready to trust the tool alone?

This Paper Weight utility is 100% free in your browser. If you want our prepress team to run the same job manually — with AI assistance — upload your files and we will review and email you back at no charge.

  • Upload PDFs, images, spreadsheets, or screenshots of your results
  • Ask for Human + AI help with this exact task in the notes
  • Get a manual check plus AI-assisted fixes before you print

How to use this tool

  1. Enter weight and type Select text, cover, or envelope weight and add GSM or lb.
  2. Review thickness See paper caliper estimates for paper thickness and cardstock weight.
  3. Share specs Export a quick print specification to request a press ready quote.
  4. Optional: request free Human + AI help Prefer a real prepress review? Upload your files and note “Paper Weight” — our team will run the same task manually with AI assistance and email you back at no charge.

Every step above can also be handled by our team — use the Human + AI upload button if you prefer personal assistance.

Convert every paper system

This paper weight converter switches gsm to lb and lb to gsm instantly, acting like a paper calculator for fast estimates.

It clarifies cover vs text weight, envelope weight, and paper thickness so your print specification is always clear.

Plan for production

Review paper caliper to understand spine bulk before using the spine width calculator for book work.

Use cardstock weight references when setting up the banner size calculator or the booklet page calculator.

Get quotes faster

Send the specs to the file uploader with confidence and request a press ready quote without back-and-forth.

Free online — or free Human + AI assistance

This page runs entirely in your browser at no cost. If you prefer a second set of eyes, email or upload your files through our complimentary file uploader and ask for Human + AI help with Paper Weight. Our team will perform the same task manually, use AI where it helps, and send proof-ready feedback — also free.

Need broader design support? See our free Human + AI design services.

Frequently asked questions

Why do text and cover weights differ?

Cover vs text weight uses different base sheet sizes; gsm normalizes them.

Can I estimate thickness?

Yes, the paper caliper estimate helps predict paper thickness for mailing or binding.

Is gsm more accurate?

GSM is consistent globally, so it simplifies lb to gsm conversions for quotes.

Does paper type affect postage?

Cardstock weight and envelope weight both influence postage; check before mailing.

Can your team do this for me instead of using the online tool?

Yes. The browser tool is free and private, but if you would rather not rely on it alone, upload your files via our complimentary file uploader and request Human + AI help with “Paper Weight”. Our prepress team will review manually — with AI assistance — and reply for free.

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