QP

Reviewed by Travis Cole, Cannabis Culture Writer | Updated April 17, 2026

What a QP Actually Is

A quarter pound of cannabis weighs exactly 113.4 grams, equal to 4 ounces. It breaks down into 16 quarters, 8 half-ounces, or 32 eighths. The term appears across legal dispensary menus and informal grower-to-grower trades alike, though most legal state possession limits prevent purchasing a full QP in a single over-the-counter transaction.

I remember the first time somebody handed me a QP at a backyard BBQ in South Austin. The bag felt heavier than I expected. That’s the thing about a quarter pound: you don’t fully appreciate how much flower that actually is until you’re holding it, feeling the weight shift in your hand, smelling that thick wave of terpenes rising up before you’ve even cracked the seal. It’s a serious amount of cannabis. Enough to keep a moderate daily smoker happy for months, or to fill out a solid harvest jar after a productive outdoor run.

In the broader cannabis glossary, weight terminology runs from a single gram all the way up to a pound and beyond. The QP sits right in that sweet spot where casual consumer quantities end and bulk territory begins.

How a QP Breaks Down by the Numbers

Understanding QP math helps growers track yields and buyers assess value. One QP equals 4 ounces, 113.4 grams, 16 quarters (7-gram increments), or 32 eighths (3.5-gram increments). Four QPs make a full pound. Two QPs make a half-pound, sometimes called a half-pack in certain regional slang.

Say you’re running a couple of Blue Dream plants out back and you pull a solid outdoor harvest. If each plant yields around two ounces of dried, trimmed flower, you’d need about two healthy plants just to hit a single QP. A genuinely productive outdoor grow, something like a big Green Crack or a sprawling Gorilla Glue trained properly in full Texas sun, can yield well over a QP per plant on a good season. That’s when the math starts getting exciting.

For buyers comparing value, a QP purchase typically comes at a lower per-gram cost than buying by the eighth or ounce. That math only works in your favor if you’re storing it right. Check out Does Weed Expire if you’re wondering how long a QP can hold its quality before the terps start fading.

Why Growers Think in QPs

Home cultivators and commercial growers use QP as a natural yield milestone. Hitting a QP per plant outdoors signals a successful grow. Tracking harvest weight in QPs helps growers compare runs across seasons and strains without getting lost in raw gram figures that are harder to visualize at a glance.

Out here growing in Central Texas, I think in QPs the way a rancher thinks in acres. It’s a unit that means something. When I tell a fellow grower I pulled two QPs off a single Sunset Sherbet plant last fall, they immediately know what kind of season I had. No calculator needed. That shared language is part of what makes cannabis culture feel like a community rather than just a transaction.

Techniques like Supercropping and Topping can meaningfully increase bud sites, pushing final dried weight higher. I’ve personally seen the difference between a topped plant and an untouched one in the same garden: the topped plant almost always edges ahead come harvest day. Strain choice matters too. High-yielding genetics like Northern Lights, AK-47, and Amnesia Haze are popular with outdoor growers specifically because they’re known to produce heavy harvests.

QP Pricing and What Affects It

QP prices vary widely based on quality, region, and whether the purchase happens in a legal or unregulated market. Bulk pricing generally offers a lower cost per gram compared to smaller purchases, but the actual dollar figure depends heavily on the quality tier of the flower involved.

Dank top-shelf flower costs considerably more per QP than Mid Weed or Shake. Geography plays a role too. Legal markets in states with mature, competitive industries tend to have lower wholesale prices than states with limited supply or tighter regulations. A cheap QP of Reggie Weed isn’t a bargain if you’re grinding through flower you don’t actually enjoy. Your porch sessions deserve better than that.

According to research published in the International Journal of Drug Policy, cannabis potency and chemical composition vary significantly across products and markets, which directly affects how consumers and growers assign value to bulk quantities like a QP. Quality is never uniform, and that reality shapes pricing at every level.