42 mason jar size chart
Mason Jar Lid Sizes - Greenmunch The size of the lid is not dependent on the volume of the jar so you need to make sure you check the opening size. There are 3 different opening sizes that you may encounter on your jars. "Regular" or "Standard" opening (70mm) Gem or Improved Gem opening (78mm) (jars are no longer being manufactured) "Widemouth" opening (86mm) Mason Jar Size | KnowSize Mason Jar Sizing. Mason Jars are categorized in 2 key ways: Capacity: measured in ounces. Mouth diameter: regular (2.5" diameter) or wide (3" diameter). Mason jars within each category also come in a variety of shapes and colors. Some have brand names and images on them, while others feature plain smooth sides. Mason Jar Size Chart
How to Measure Jars and Lids for the Perfect Match To measure lids (CT or lug), you'll measure the diameter across the inside of the lid. Once you know which size and whether or not it's a lug or CT, you can move forwa...