Found an old chain, a single earring or a broken bracelet at the bottom of your jewelry box and wondered what it is really worth? Gold is priced by weight and purity, and once you know those two numbers the math is simple. This free little calculator does it for you: enter the weight, choose the karat, add today’s gold price, and it shows the melt value, an estimated payout from a buyer and how much pure gold your piece actually contains. Karat (purity) of your gold Weight Weight unit Grams (g) Troy ounces (ozt) Pennyweight (dwt) Ounces (oz) Tola Today’s gold price Price is quoted per Troy ounce Gram Currency USD $ EUR € GBP £ CAD C$ AUD A$ TWD NT$ INR ₹ JPY ¥ Buyer payout: 80% Try an example Save this result Copy my result Start over How the Gold Value Calculator works Pick the karat stamped on your piece, enter its weight an...
Ordering a ring online is exciting, until the checkout asks for a size and you have no idea what yours is. Guess wrong and the ring spins around your finger, or worse, will not pass your knuckle. This free little calculator takes one simple measurement and turns it into your ring size in US, UK, European and Japanese sizing, and it adjusts the result for how snug you like your rings and how wide the band is. How did you measure? Finger circumference (string or paper strip) Finger width (diameter) Inside diameter of a ring I own Unit Millimeters (mm) Inches (in) Your finger circumference How should it fit? Snug Comfortable Roomy Band width Thin (under 3 mm) Standard (3 to 6 mm) Wide (over 6 mm) Is your knuckle larger than the base of your finger? No Yes Try an example Save my size Copy my size Start over How the Ring Size Calculator works Wrap a thin strip of pape...