How Many Grams Is A QP?

Quick answer to: How Many Grams Is A QP?

• A QP (quarter pound) is 4 ounces of flower

• 1 pound of cannabis is about 453.6 grams

• One quarter of that is 113.4 grams

So by strict math, a QP is 113.4 grams. In real life, many people round it to 112 grams because most shops treat 1 ounce as 28 grams, not 28.35.

For your stash, just remember:

QP = 4 ounces = around 112 to 113 grams of flower

Link to our full measurements guide and slang

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What Does “QP” Actually Mean?

In cannabis slang, QP stands for quarter pound.

Here is how it fits into the usual breakdown:

• 1 gram

• 3.5 grams = 1 eighth

• 7 grams = 1 quarter ounce

• 14 grams = half ounce

• 28 grams = 1 ounce (rounded)

• 113.4 grams (about 112) = quarter pound (QP)

• 226.8 grams = half pound

• 453.6 grams = 1 pound

So when someone says they grabbed a QP, they are talking about four full ounces of flower in one go.

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How Many Ounces Are In A QP?

By definition:

• 1 pound = 16 ounces

• Quarter pound = 16 ÷ 4 = 4 ounces

So if you are more used to buying by the ounce and you see “QP” on a menu, think of it as:

One QP = four full zips

If one ounce usually lasts you 2 weeks or more, stepping up to a QP is a big jump in both quantity and how long that stash can carry you.

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112 vs 113.4 Grams: Why The Numbers Look Different

If you like clean math, here is where the confusion shows up:

• Officially, 1 ounce = 28.35 grams

• Quarter pound = 4 ounces

• So 4 × 28.35 = 113.4 grams

But in the cannabis world, people usually simplify:

• 1 ounce is treated as 28 grams

• So 4 ounces at 28 grams each = 112 grams

That is why some charts say 112 grams in a QP, and others say 113.4 grams. In practice, most dispensaries and brands stick to even gram numbers so everything is easy to price, pre-pack, and inventory.

For most buyers, whether the label says 112 g or 113.4 g, the important thing is consistency and transparency from the brand.

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How Long Does A QP Last? Estimating Weekly Use

Now to the more useful question: what does a QP really look like in terms of weekly smoking?

We will use simple estimates based on how many grams the average person might burn.

1. Light or Weekend Smoker

• Around 0.5 to 1 grams per session

• Smokes 2 to 4 times per week

Weekly use: about 1 to 2 grams per week

With a QP at roughly 113 grams, that works out to:

• 113 grams ÷ 2 g per week ≈ 56 weeks

• 113 grams ÷ 4 g per week ≈ 28 weeks

So for a true light user, a QP can easily be a many-month stash and may be overkill unless they are splitting it with friends.

2. “Regular” Daily Smoker

This is where many Bakeboxx customers fall.

• 1 to 4 grams per day

• Smoking joints, small blunts, bowls, or a mix

Weekly use: about 7 to 28 grams per week (a quarter to an ounce)

Now take a QP: around 113 grams.

• At 7 g per week: 113 ÷ 7 ≈ 16 weeks

• At 28 g per week: 113 ÷ 28 ≈ 4 weeks

So, for a daily smoker who goes through a quarter or an ounce a week, a QP can comfortably last 1 to 4 months, depending on tolerance and sharing.

3. Heavy or Social Smoker

If you are rolling bigger joints, frequent blunts, or seshing with friends:

• 4 to 8 grams per day is common

• Weekly use lands around 28 to 56 grams per week

With that pace:

• At 28 g per week: about 4 weeks

• At 56 g per week: about 2 weeks

For heavy users or people who host a lot, a QP is really a one-month or less supply, not some never-ending mountain of flower.

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How Many Joints In A QP?

People love this question, so let us put some numbers on it.

If you assume:

• 2 g per joint (a pretty standard size)

Then, with 113 grams, you can roll roughly:

• 113 ÷ 2 = 56~57 joints

If your joints are closer to 1 gram, that number increases, but it is still a serious amount of sessions from a single QP. 

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Should You Even Buy A QP?

Just because you know the math does not mean a QP is the right move for you. Here is how to think about it.

Pros of Buying a QP

• Better price per gram compared to buying single eighths or quarters

• Consistent stash of the same strain, so you can really learn how it hits

• Convenient if you smoke daily or share with a partner or small circle

Cons of Buying a QP

• Upfront cost is much higher than grabbing a single ounce

• Flower can lose freshness if you do not store it properly over weeks and months

• In some states and regions, you may not be legally allowed to possess that much at once.

For a lot of regular users, an ounce or half-ounce at a time hits the sweet spot between price, freshness, and variety. A QP starts to make more sense when you are:

• Stocking up on a favorite strain

• Sharing with multiple people in the same household

• Running small sessions or events where everyone contributes

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Keeping A QP Fresh

If you go big and grab a quarter pound, storage matters. To keep those terps loud and the buds from drying out:

• Use airtight glass jars, not plastic bags

• Store jars in a cool, dark place away from direct light and heat

• Avoid opening the main stash constantly

  • You can move a week’s worth into a smaller “daily” jar and leave the main QP sealed

Good storage helps protect the aroma, potency, and smoothness over time, so your last eighth from the QP still hits like the first.

Bulk deals at Bakeboxx

At Bakeboxx, we aim to make buying in bulk easier by offering deals and coupons to drop the price so everyone's wallets stay healthy and most importantly, you can continue to toke your favorite strains. Our max savings are on our thca flower ounces, so if you want to stack more than one ounce in your cart, make sure to use a referral code or a coupon to save on buying.