Troy Ounce vs Regular Ounce: A Guide for Gold Investors
A troy ounce weighs 31.1034768 grams, while a regular avoirdupois ounce weighs 28.3495 grams. That makes the troy ounce about 10% heavier, and because precious metals are priced in troy ounces, understanding that difference is essential for anyone investing in physical gold. A common retirement-investing moment goes like this. Someone starts comparing gold coins or bars online, sees prices listed “per ounce,” and assumes that ounce means the same thing as the one on a kitchen scale. In precious metals, it usually doesn't. That small misunderstanding can throw off pricing, product comparisons, and Gold IRA decisions. The difference sounds technical, but it's really a basic investing detail that helps people avoid costly mistakes and read bullion listings with confidence. The Critical Difference in Gold Investing You Can't Ignore You are reviewing gold coins for a retirement account, and two listings both say “1 ounce.” One seems priced higher than expected. The other shows a gram weight that does not match the ounce on a kitchen scale. That is often the first sign that precious metals use a different measuring language from everyday shopping. In bullion, the word “ounce” usually means troy ounce. In daily life, “ounce” usually means avoirdupois ounce....
