Gold is quoted per troy ounce, but most people buy or own it by the gram. That mismatch causes constant confusion: the headline price looks huge, the gram price looks small, and the price a dealer offers looks different again. This guide shows you how to check the live price per gram, convert between units, adjust for karat, and understand what a dealer quote really means.
Check the gold price per gram in 4 steps
- Find the live spot price per troy ounce. This is the wholesale market price for pure 24-karat gold, and it moves throughout the trading day.
- Divide by 31.1035 to get the price per gram. A troy ounce is 31.1035 grams, not 28.35 grams like a normal ounce, and mixing them up is the most common gold math error.
- Adjust for karat by multiplying by purity. 24k is 100 percent gold, 22k is 91.7 percent, 18k is 75 percent, and 14k is 58.3 percent.
- Multiply by the weight of your item. A 10-gram 18k chain at a 24k gram price of $128 holds about $960 of gold, before any dealer margin.
Spot price vs the price you actually get
The spot price is a wholesale reference, not a shop price. When you buy a coin or bar, the dealer adds a premium for minting, shipping, and margin, so you pay above spot. When you sell, the dealer pays below spot, typically 85 to 95 percent of melt value for scrap, to cover testing and refining. Jewelry adds another layer: you pay for design and craftsmanship, and you recover only the metal value when you sell. That is why a gold ring bought for $500 may contain only $200 of gold. None of this is a trick; it is simply the difference between a metal and a finished product. Knowing the per-gram spot price before you walk in is what stops a bad deal, because you can separate the metal value from everything else.
Gold units that trip people up
Three unit traps catch nearly everyone. The first is the troy ounce versus the normal ounce: gold uses troy ounces of 31.1035 grams, while a kitchen ounce is 28.35 grams, so using the wrong one overstates the gram price by about ten percent. The second is the tola, used across South Asia at 11.66 grams: a price per tola looks far lower than a price per ounce, but it is simply a smaller weight. The third is karat versus carat: karat measures gold purity, while carat measures gemstone weight, and confusing them leads to nonsense prices. Jewellers sometimes quote per gram of the finished piece, including non-gold parts like stones and clasps, which inflates the apparent weight. Always ask whether a quote is per gram of pure gold content or per gram of the whole item, and which karat it assumes.
Try it faster with the free tool
Everything above works without any tool, but the free Gold Price Today — Live Gold & Silver Prices per Ounce and Gram does it in seconds. Try it right here:
Tips and common mistakes
- Always confirm whether a quote is per gram or per ounce, and whether it is 24k or your item’s karat.
- Weigh your item on a kitchen scale before visiting a buyer. An accurate weight removes the easiest way to be underpaid.
- Check the price on the day you sell, not last week’s price. Gold moves daily, and old prices help nobody.
- This guide is information, not investment advice. Gold suits some savers and not others, and past prices say nothing certain about future ones.
Spot divided by 31.1035, adjusted for karat, multiplied by weight. Learn that one formula, and gold prices stop being mysterious.