Oz to Grams Converter
Weight ounces into grams — recipes, coffee, and postage, exactly.
Type in either field — the other updates instantly.
Oz to Grams chart
| Ounces (weight) | Grams |
|---|---|
| 0.5 oz | 14.17 g |
| 1 oz | 28.35 g |
| 2 oz | 56.7 g |
| 3 oz | 85.05 g |
| 4 oz | 113.4 g |
| 5 oz | 141.75 g |
| 6 oz | 170.1 g |
| 8 oz | 226.8 g |
| 10 oz | 283.5 g |
| 12 oz | 340.19 g |
| 16 oz | 453.59 g |
| 24 oz | 680.39 g |
| 32 oz | 907.18 g |
4 oz = the classic US butter stick; 16 oz = one pound.
How this is calculated
g = oz × 28.349523125 (exact — avoirdupois ounce)
The scale-and-recipe direction: 4 oz of butter is 113.4 g, an 18 g coffee dose is 0.63 oz, a 1 oz letter is 28.35 g. This page converts WEIGHT ounces (avoirdupois). Fluid ounces — the liquid kind on drink cans — are volume; that is a different page, linked below.
The avoirdupois ounce is a sixteenth of the exactly-defined pound: 0.45359237 kg ÷ 16 = 28.349523125 g, exact to the last digit shown. Troy ounces (precious metals, 31.103 g) are a third system this page deliberately excludes.
Frequently asked questions
How many grams in 1 oz?
28.35 g (exactly 28.349523125). The kitchen shorthand “about 28” is fine for seasoning, and 30 g is a 5.8% overshoot that shows in baking.
Weight oz vs fluid oz — which is this?
Weight. A fluid ounce is volume (29.57 ml) and only equals a weight ounce for water-like liquids. Flour, sugar, and syrup all break the equivalence — convert them by weight.
What is 8 oz in grams?
226.8 g — half a pound. US recipes love 8 oz cream cheese blocks; that is the 227 g on the metric wrapper of the same product.
Is a troy ounce the same?
No — gold and silver trade in troy ounces of 31.1035 g, about 9.7% heavier. If the context is bullion, the number on this page is the wrong one on purpose.