How Many Grams Are in a Joint or Blunt? (Plus THC Dosage Guide)

If you’ve ever wondered how much weed is in a joint, you’re not alone. Whether you’re buying a cannabis pre-roll from Dank Mart, rolling your own at home, or trying to estimate THC before lighting up, knowing the gram amount helps you control dose and shop smarter.

This guide breaks down:

• The average grams in a joint 
• How much weed is in a blunt 
• How to calculate THC in milligrams 
• What affects real-world potency 

Let’s start with the quick answer.

Quick Answer: Joint & Blunt Sizes

• Small “pinner” joint: 0.25–0.3 grams 
• Typical hand-rolled joint: 0.3–0.7 grams 
• Standard dispensary pre-roll: 1 gram 
• Blunt: 1–2 grams (sometimes more) 

There’s no universal size — it depends on how it’s rolled, the paper or wrap used, and whether concentrates are added.

What Is a Joint?

A joint is a cannabis flower rolled in thin rolling paper. It looks similar to a cigarette and usually contains only ground flower.

Joints are commonly:

• Hand-rolled at home 
• Sold as pre-rolls at online marijuana dispensaries like Dank Mart 
• Available in single grams or multipacks 

Because paper is thin and burns evenly, joints are typically smaller and lighter than blunts.

What Is a Blunt?

A blunt is cannabis rolled in a cigar or cigarillo wrap.

Blunts:

• Use thicker tobacco-based wraps (unless hemp wraps are used) 
• Often contain nicotine if tobacco wraps are used 
• Usually hold more flower than joints 

Because blunt wraps are wider and thicker, they commonly hold 1–2 grams of cannabis, sometimes more for large group rolls.

How Many Grams Are in a Joint?

There is no fixed size, but population data suggests:

• The average joint in research studies contains ~0.3 grams 
• Many dispensary pre-rolls — including those at Dank Mart — are sold as 1 gram 

In real-world use, most joints fall into this range:

If someone says “a 1 gram joint,” they usually mean a full dispensary pre-roll.

Why Joint Sizes Vary

Several factors affect weight:

1. How Tight It’s Rolled

Tighter rolls pack more flower per inch.

2. Paper Size

King-size papers hold more than standard or slim papers.

3. Grind Consistency

Finely ground flower packs more densely.

4. Add-Ins

Kief, hash, or cannabis concentrates increase weight and potency quickly.

5. Pre-Roll vs Hand-Roll

Pre-rolls — like the ones listed at Dank Mart — are more consistent because they’re machine-packed and labeled with precise gram weight.

How Much Weed Is in a Blunt?

Blunts typically contain more cannabis than joints.

Common blunt sizes:

• 1 gram blunt 
• 1.5 gram blunt 
• 2 gram blunt 

Because blunts burn longer and often hold double the flower of a typical joint, they can deliver significantly more total THC.

If you’re counting dose, a blunt can equal multiple joints in one roll.

How Much THC Is in a Joint?

THC content depends on:

1. How many grams are in the joint 
2. The THC percentage of the flower 

When shopping at a dispensary like Dank Mart, you’ll see THC % clearly listed on the product label.

The Simple THC Formula

Grams × 1,000 × THC % = Total THC (mg)

Example Calculations

Important:
This number reflects total THC in the flower, not what your body absorbs.

How Much THC Do You Actually Absorb?

Combustion destroys some cannabinoids. Smoke loss and exhalation reduce what reaches your bloodstream.

Research suggests inhalation may deliver roughly 10–35% of total available THC, depending on:

• Inhalation depth 
• Puff duration 
• Burn temperature 
• Sharing 

That means a 100 mg joint does not equal a 100 mg edible experience.

Why Blunts Can Feel Stronger

Blunts may feel more intense because:

• They contain more flower 
• They burn longer 
• Nicotine (if tobacco wrap is used) alters the experience 
• People take more hits over time 

Even if potency percentage is the same, total THC exposure is usually higher.

Practical Dosing Tips

If you’re trying to control intake:

• Start with a small joint (0.3 g or less) 
• Choose flower in the 15–18% THC range if new 
• Take 1–2 puffs and wait 10–15 minutes 
• Split larger pre-rolls into multiple smaller cones 
• Avoid mixing cannabis with alcohol 
• Never drive under the influence 

If precision matters, use a digital scale and check the lab-tested THC percentage on the label — something reputable online marijuana dispensaries like Dank Mart provide clearly.

Joint vs Blunt Comparison

For solo use and easier dose control, joints are often more manageable.
For group sessions, blunts are more common.

Frequently Asked Questions

How many grams are in a standard joint?

Most hand-rolled joints contain 0.3–0.5 grams. Dispensary pre-rolls — like those sold at Dank Mart — are typically 1 gram.

Is a blunt stronger than a joint?

Usually yes. Blunts often contain 1–2 grams of flower, meaning more total THC.

How much THC is in a 1 gram joint at 20%?

1 × 1,000 × 0.20 = 200 mg THC in the flower.

Can you smoke half a joint to reduce dose?

Yes. Splitting a joint is one of the easiest ways to control intake.

Does THC percentage matter more than grams?

Both matter. Total THC equals grams × THC %. A small high-potency joint can match a larger lower-potency one.

Smart Shopping Tips

When comparing pre-rolls — whether online or in-store at Dank Mart — check:

• Gram weight 
• THC percentage 
• Lab testing results 
• Clear potency labeling 

Predictable dosing starts with transparent labeling.

Final Thoughts

There’s no single answer to “how much weed is in a joint” — but most fall between 0.3 and 1 gram, while blunts usually contain 1–2 grams.

Understanding the math behind THC helps you:

• Control your dose 
• Compare products 
• Avoid overconsumption 
• Make informed buying decisions 

If you’re browsing pre-rolls at Dank Mart, use gram weight and THC percentage together — not just one or the other — to estimate total potency before you light up.

Disclaimer:
This article is for informational purposes only. Cannabis laws, product potency, and health effects vary by region and individual tolerance. Always follow local regulations and consume responsibly.

References:

Ward, A. (2024, July 22nd). What is a Pre Roll? Everything You Need to Know. Available at: https://www.nuggmd.com/blog/what-is-a-pre-roll-everything-you-need-to-know 

Wikipedia. (2025, April 18). Blunt (cannabis). Available at: https://en.wikipedia.org/wiki/Blunt_(cannabis) 

Santos-Longhurst, A., Medically reviewed by F. Dawson., Pharm.D. (2025, October 2). Smoking Cannabis: How Do Blunts, Spliffs, and Joints Compare?. Available at: https://www.healthline.com/health/what-is-a-blunt 

Dr. Louisa Degenhardt, Ph.D, AO, FAA, FASSA, FAHMS