For ordinary office documents, worksheets and invoices, 80gsm is the usual economical starting point. Choose 100gsm when you want a more substantial feel, better opacity or a more premium look.
| Weight | Best for |
|---|---|
| 80gsm | Routine, high-volume documents, worksheets, invoices |
| 100gsm | Presentations, reports and double-sided work where show-through matters |
See copy paper brands compared.