Wire Gauge, MM, Inch Conversion Chart
Wire Gauges: In reference to wire gauge sizes, the larger the number, the smaller the diameter of the wire. The most commonly used sizes for wire wrapping are 2... Read More...
Experience Watchmaking & Jewelry Repair
Weights and Measures
Weight Comparison Chart
To find the weight of an article in a metal different from that in which it is now made:Find the present metal in the first vertical column.
Multiply the... Read More...
Stone Weight Estimation Formula
This is a guide on how to estimate the approximate weight of a gemstone based on its length to width ratio.
Round
Diamond: Average diameter² x... Read More...
Gauge to Inches to Millimeters Conversion Table
Gauge to Inches to Millimeters Conversion Table
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Dwt-Oz-Gram Conversion
Pennyweight (dwt) to Ounces to Grams
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Melting Points
The specific gravity of a metal or alloy is merely the weight in grams of one cubic centimeter. When it is more convenient to work in troy weights, the ... Read More...
Karating Up and Down Conversions
To figure out how much gold you should add to karat up:
Take your starting weight and figure exactly how much alloy is contained. Divide this weight by... Read More...
Gold Buying Business Tips
Refining can be an important part of any jewelry store's business. If systems are set up properly, refining can help bring in business and improve cash flow. Ad... Read More...
