Jewelry Making Calculators
Free jewelry making calculators for ring metal weight, wire gauge, gemstone pricing, and more.
Tools for jewelers and metalsmith hobbyists.
Gold Karat Alloy Mix Calculator
Calculate gold and base metal weights for any karat alloy. Mix 24K gold with silver, copper, or palladium to create 18K, 14K, or 10K alloys for jewelry making.
Jump Ring Size Calculator
Calculate jump ring inner diameter, outer diameter, and aspect ratio for chainmaille. Covers 18-26 AWG wire with mandrel sizes for common weave patterns.
Metal Patina Solution Calculator
Calculate patina solution concentrations for copper, brass, bronze, and silver. Covers liver of sulfur, vinegar, and ammonia methods.
Bezel Strip Length Calculator
Calculate bezel wire length to set a cabochon in oval, round, square, and freeform shapes. Accounts for metal thickness and soldering overlap.
Diamond Weight Estimator
Estimate diamond carat weight from length, width, depth, and cut shape. Returns weight estimate for round, princess, oval, pear, and emerald cut diamonds.
Gemstone Price Per Carat Calculator
Calculate gemstone price per carat and total cost by quality grade. Returns retail, wholesale, and resale estimates for diamonds, rubies, and sapphires.
Jewelry Chain Length Calculator
Calculate ideal chain length from neck or wrist circumference and desired fit. Covers choker (14 in), princess (18 in), matinee (22 in), and opera (30 in).
Jewelry Solder Amount Calculator
Calculate solder in grams and mm of wire for jewelry joints from metal type and solder grade. Covers hard, medium, and easy silver solder for rings and bezels.
Lost Wax Casting Weight Calculator
Calculate metal weight for lost wax casting from wax model weight and metal type. Covers gold, silver, platinum, and brass with specific gravity factors.
Metal Alloy Mixing Calculator
Calculate metal alloy ratios for gold karat blending and custom jewelry. Returns grams of fine metal and alloy for yellow, white, and rose gold recipes.
Prong Setting Wire Calculator
Calculate prong wire gauge, length, and total wire for a prong setting from gem diameter, shape, and metal. Returns 4-prong and 6-prong specs in inches and mm.
Jewelry Wire Length Calculator
Calculate how much wire you need for wrapped loops, coils, and chain links based on gauge, loop diameter, and number of wraps.
Ring Weight Calculator — Gold, Silver, Platinum
Ring Weight Calculator: estimate metal weight from ring size, band width, thickness, and metal type. Gold, silver, platinum, palladium, titanium.