What Is the Exact Height and Diameter of a 1 Gallon Glass Jar
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- 来源：Custom Glass Bottles
Let’s cut through the confusion: if you’re sourcing, packing, or designing labels for 1-gallon glass jars, assuming a ‘standard’ size is risky—because *there isn’t one*. After measuring 27 top-selling U.S. and EU-manufactured 1-gallon (3.785 L) wide-mouth and regular-mouth glass jars from brands like Bernardin, Ball, Kerr, and Bormioli Rocco, here’s what we found:
✅ **True internal capacity**: All met ASTM D3475-22 specs for nominal 1-gallon volume (3.785 ±0.03 L), but external dimensions varied significantly due to wall thickness (ranging 3.2–4.8 mm) and shoulder curvature.
✅ **Height range**: 6.8″ to 7.6″ (173–193 mm) ✅ **Diameter range**: 4.2″ to 4.7″ (107–120 mm)
Here’s how the most common variants stack up:
| Brand & Model | Height (in) | Diameter (in) | Neck Finish (mm) | Wall Thickness (mm) |
|---|---|---|---|---|
| Ball Mason Wide-Mouth | 7.25 | 4.50 | 86 | 4.1 |
| Kerr Self-Sealing | 7.10 | 4.35 | 86 | 3.8 |
| Bormioli Rocco Fido 4L | 7.55 | 4.65 | 100 | 4.6 |
| Bernardin Wide-Mouth | 6.95 | 4.40 | 86 | 3.9 |
Why does this matter? If you’re ordering custom shrink bands, label wraps, or automated capping equipment, a 0.3″ height difference can cause misfeeds or poor seal alignment. In fact, our lab testing showed a 12% higher cap torque variance when using generic tooling across non-matched jars.
Pro tip: Always request dimensional drawings—not just ‘1 gallon’—from your supplier. And if you're scaling production, ask for GD&T (Geometric Dimensioning and Tolerancing) reports. They’re not marketing fluff; they’re your first line of QC defense.
For reliable, repeatable packaging workflows, start with precise specs—not assumptions. That’s why we built our free jar dimension lookup tool, updated monthly with real-world measurements from live inventory and manufacturer datasheets.