Ounce (oz) to Gram (g)
Convert ounces to grams. Essential when adapting American recipes for metric kitchen scales, checking portion weights on international nutrition labels, or comparing package sizes. One ounce equals 28.3495 grams.
Frequently asked questions
1 ounce (oz, avoirdupois) equals 28.3495 grams. The troy ounce used for precious metals is slightly heavier at 31.1035 grams. Food and recipe ounces are always the avoirdupois variety.
8 ounces equals 226.8 grams. Eight ounces is half a pound (½ lb) — a standard portion size for meat, cheese and deli items in US recipes and grocery packaging.
Multiply the number of ounces by 28.3495. Example: 3.5 oz × 28.35 = 99.2 grams — effectively 100 grams.
1.5 ounces of nuts equals 42.5 grams. US nutrition labels list serving sizes in ounces; international labels use grams. A kitchen scale is the most accurate way to measure either.