There are 128 ounces (oz) in 1 quarter pound (QP).

A quarter pound (QP) equals 4 ounces by weight in cannabis measurements but 128 ounces in standard U.S. weight (food/liquids). The confusion arises from industry slang-cannabis uses "QP" for ¼ lb (4 oz), while cooking/liquids follow 1 lb = 16 oz, so ¼ lb = 4 oz. Always clarify the context.

Key Differences: Cannabis vs. Standard Weight

  • Cannabis/Industry Slang: 1 QP = ¼ pound = 4 ounces.
  • Standard U.S. Weight (Food/Liquids): 1 QP = ¼ pound = 128 ounces (since 1 lb = 16 oz × 4 = 64 oz per ¼ lb).
  • Metric Equivalent: 1 QP ≈ 113.4 grams (cannabis) or 28.35 grams (standard).

Weight Conversion Table

Unit Cannabis Slang (oz) Standard U.S. Weight (oz) Grams (g)
1 QP (¼ pound) 4 oz 128 oz 113.4 g
½ pound 8 oz 256 oz 226.8 g
1 pound 16 oz 512 oz 453.6 g

Common Mistakes to Avoid

  1. Assuming "QP" always means 4 oz: In cooking or liquids, 1 QP = 128 oz (e.g., 32 oz per quart × 4).
  2. Confusing dry vs. liquid ounces: Fluid ounces (volumetric) differ from weight ounces (mass).
  3. Ignoring context: Cannabis dealers use "QP" for 4 oz; bakers/chefs use ¼ lb = 4 oz of the total 16 oz/lb.

How to Convert Ounces to Quarter Pounds

  • Cannabis: Divide ounces by 4 (e.g., 8 oz ÷ 4 = 2 QP).
  • Standard Weight: Multiply ounces by 0.0078125 (e.g., 128 oz × 0.0078125 = 1 QP).
  • Quick Check: 1 QP = 4 oz (cannabis) or ¼ of 16 oz (standard).