how to eyeball a gram of weed

Our handy photo guide to different amounts of cannabis, including useful information on legal limits proposed by the federal government in Bill C-45

By: Solomon Israel | Posted: 01/18/2018 11:30 AM

This article was published 18/1/2018 (1080 days ago), so information in it may no longer be current.

If you’ve been keeping up the news on cannabis legalization in Canada, you’ve probably heard a lot about weights and measurements.

For example, the Liberal government’s Cannabis Act would permit an adult to carry up to 30 grams of marijuana in public without fear of arrest.

To the uninitiated, though, “30 grams of marijuana” means little. Estimating weights in grams at all might be a bit of a stretch, unless you do a lot of baking.

No worries: The Leaf is here for you. We’ve put together this photo guide to different amounts of cannabis.

One gram of cannabis

One gram of dried cannabis bud.

Mike Deal / Winnipeg Free Press

One gram of dried cannabis bud.

Pictured here is one gram of dried cannabis bud, which is the basic unit of sale for cannabis in both the legal and illegal markets. One gram might yield between one and four joints.

(This particular strain of cannabis is Super Lemon Haze, grown by Winnipeg’s Delta 9 Cannabis. Delta 9 sells this strain to registered medical cannabis users for $9 per gram.)

Measuring cannabis can be especially confusing because non-metric units are also used, especially in the black market.

Common imperial measurements used for marijuana are pounds (roughly 453.6 grams); ounces (about 28 grams); half-ounces (14 grams); quarter-ounces (7 grams); and eighth-ounces (3.5 grams). Black-market cannabis dealers often offer bulk discounts.

Five grams of cannabis

Five grams of dried cannabis bud.

Mike Deal / Winnipeg Free Press

Five grams of dried cannabis bud.

Feast your eyes on five grams of cannabis bud. It weighs a little less than the loonie shown for comparison (which weighs in at almost seven grams).

The Cannabis Act, which is not yet law, would permit Canadians between the ages of 12 and 18 to possess up to five grams of cannabis without facing criminal prosecution.

Young people caught carrying more than five grams could face sentences under the Youth Criminal Justice Act. The federal government says it wants to prevent young Canadians from being saddled with criminal records for possession of small amounts of cannabis.

Individual provinces can also create their own laws regarding youth possession of cannabis, and could even lower the proposed federal limit of five grams.

Ten grams of cannabis

Ten grams of dried cannabis bud.

Mike Deal / Winnipeg Free Press

Ten grams of dried cannabis bud.

Now we’re into the double digits: behold, 10 grams of weed.

Dried bud like this can be smoked or vaporized, but there are other ways to consume cannabis: edible products made with cannabis oil or butter; concentrates such as hashish or shatter; topical creams; and even pills.

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Schedule 3 of the proposed Cannabis Act sets out the legal weight equivalents for these different kinds of cannabis preparations. One gram of dried cannabis bud, for example, will be equivalent to 0.25 grams of solid concentrates or five grams of freshly harvested cannabis. One cannabis seed will be the legal equivalent of one gram of dried cannabis.

Thirty grams of cannabis

Thirty grams of dried cannabis bud.

Mike Deal / Winnipeg Free Press

Thirty grams of dried cannabis bud.

This picture shows 30 grams of cannabis, or slightly more than one ounce.

Thirty grams of legally produced marijuana will be the federal government’s legal limit on public possession for Canadian adults if the Cannabis Act becomes law. (There will not be a legal limit on possession in private, according to the Department of Justice.)

Under the Cannabis Act, individual Canadian adults will be able to legally share (but not buy or sell) up to 30 grams of dried cannabis or the equivalent with their peers.

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If you’ve been keeping up the news on cannabis legalization in Canada, you’ve probably heard a lot a…

How Much Is A Gram Of Weed: Visually Understanding Marijuana Quantities

If you ever plan on purchasing cannabis, you’re going to want to know, how much is a gram of weed visually? A scale is an obvious way to keep track. However, you won’t always have your own scale on you. So it’s good to be able to visually tell the difference between 1 gram of weed and an eighth.

Converting From Ounces To Grams

First, you’ll want to learn how to convert from grams to ounces. Unless you plan to only buy dimes and dub bags for the rest of your life. The names eighth, quarter and halves are all sizes in relation to a full ounce. These are the main conversion you’ll need to know when purchasing various quantities of cannabis:

  • Eighth: 3.5 grams
  • Quarter: 7 grams
  • Half: 14 grams
  • Ounce: 28 grams

What Does A Gram Of Weed Look Like?

Some nugs are loose and fluffy while others are compact and dense. As a result, two different size nugs might end up weighing the same.

To help you visually understand what a gram of weed looks like we got some nugs from Slo Grown Genetics that weren’t too dense or too fluffy to weigh out. Then we weighed the main quantities you’ll see for sale out at the Rosin Tech Products booth during the SoCal Cannabis Cup.

This is what a gram looks like.

Compare it to the pictures of an eighth, quarter, half ounce and ounce. It should look like enough weed to roll a joint that can be shared.


To help you understand the difference between 1 gram of weed and an eighth of an ounce. An eighth should be enough to smoke for a few sessions.

Here is a picture of an eighth of the same weed on the same scale for reference.


Quarters also referred to as a Q’s. Once you visually understand what a gram and eighth look like, you should be able to picture a quarter. A quarter ounce is twice the amount of weight of an eighth so it should look like twice as much.

Here is what a quarter of the same strain on the same scale looks like from overhead so you can see the bowl filling.

The half or a half ounce is the largest quantity of cannabis you’ll see for sale before an ounce.

Take a look at the half to get an understanding of what you should expect in comparison to other weights.


An ounce is 28 grams of weed. It will be easier to spot an ounce when you know what an eighth, quarter and half an ounce visually look like.

Here is what an ounce looks like on the same scale with more of the same nugs.

If you’re interested in understanding larger quantities start by learning how many ounces are in a pound.

Final Hit: How Much Is A Gram Of Weed?

Now that you’ve seen these various quantities of cannabis next to each other, you should have a decent understanding of how to guess marijuana quantities with nothing but your eyes. As we mentioned earlier, some strains have a fluffier appearance than others while others are dense and heavy despite their smaller size. Knowing how to visually tell the difference between each quantity is enough to make sure you’re not paying for a quarter and getting an eighth. However, you’ll need a scale to guarantee that you’re not being skimped in small amounts that are hard to pick up by eye.

Visually compare a gram of weed to eighths, quarters, halves and ounces to understand how to tell them apart just by looking.