Eighth. Dime bag. Half-O. Slang terms for weed quantities make up a cherished chunk of the weed lexicon, and with good reason: quantities come up all the time when talking about—and buying—weed.
These slang terms are often a bit of wordplay around the imperial ounce and its subdivisions (that “O” in “half-O” means “ounce”). But when you shop online or in-store in today’s Canadian legal market, you’ll notice quantities are decidedly metric, despite being quite clearly imperially inspired…
With three languages of weight now in play (imperial, metric, and slang), it’s time to clarify by getting everything on the table—a conversion table.
Read on to learn more about:
- Common weed amounts and conversions between systems
- Weed measurement quirks and facts
- Quantity-related legal considerations and purchasing situations
The Most Common Weed Amounts and Conversions
First here’s a simple conversion chart for the most common quantities you’ll encounter when you go shopping for weed:

