How many grams are in one ounce?
One ounce is exactly 28.349523125 grams.
Convert Ounce (US/UK) (oz) to Gram (g) instantly.
Formula
value × 28.349523125
| Sample | Converted |
|---|---|
| 1 oz | 28.349523 g |
| 5 oz | 141.747616 g |
| 10 oz | 283.495231 g |
| 100 oz | 2,834.952313 g |
| 1,000 oz | 28,349.523125 g |
Use this page to convert ounces into grams. It is one of the most useful weight conversions for recipes, food labels, parcels, small retail products, craft materials, and kitchen scales.
Ounces are common in US recipes and packages, while grams are common on metric scales and labels.
One ounce is a little over 28 grams.
This conversion is especially useful for food, parcels, ingredients, and small product weights.
Grams often give cleaner detail than kilograms for ounce-sized items.
Keep weight ounces separate from fluid ounces in recipes and product copy.
This page converts mass only, not volume.
Ounces are familiar in US recipes and product weights, but many kitchen scales and labels use grams.
Converting ounces to grams makes the amount easier to measure accurately in metric settings.
This is useful for baking, nutrition, packaging, shipping, and small-item specifications.
A recipe written in ounces may be easier to repeat when converted to grams.
Grams work well with digital scales because they avoid fractional ounces.
For baking and portioning, the gram value can make the recipe more consistent.
1 oz should equal exactly 28.349523125 g.
16 oz should equal exactly 453.59237 g, which is one pound.
If the source is a liquid measurement, use a fluid-ounce volume converter instead.
Definition: An ounce is a US customary and imperial mass unit equal to one sixteenth of a pound.
History/Origin: Ounces are common in US food packaging, recipes, parcels, postal weights, and smaller product specifications.
Current use: oz is used for food packages, small parcels, recipes, ingredients, retail products, postal weights, and US customary mass.
Definition: A gram is a metric mass unit equal to one thousandth of a kilogram.
History/Origin: Grams are widely used for food, packaging, recipes, lab work, parcels, and small product weights.
Current use: g is used for nutrition labels, ingredients, parcels, lab samples, jewelry, product specs, recipes, and small mass measurements.
| Ounce (US/UK) [oz] | Gram [g] |
|---|---|
| 0.01 oz | 0.283495 g |
| 0.1 oz | 2.834952 g |
| 1 oz | 28.349523 g |
| 2 oz | 56.699046 g |
| 5 oz | 141.747616 g |
| 10 oz | 283.495231 g |
| 20 oz | 566.990463 g |
| 50 oz | 1,417.476156 g |
| 100 oz | 2,834.952313 g |
1 oz = 28.349523 g
1 g = 0.035274 oz
Formula: value × 28.349523125
Example: 15 oz = 425.242847 g
Precision note: Use 28.349523125 grams per ounce. Round according to the scale, label, or recipe precision after calculating with the exact factor.
One ounce is exactly 28.349523125 grams.
No. This page converts ounces by weight. Fluid ounces measure volume.
100 grams is about 3.5274 ounces.