Ounces to Grams
Type a value in ounces and see it in grams — exact conversion, updated as you type.
Formula: grams = ounces × 28.349523125 · Reverse: grams to ounces →
| Ounces | Grams |
|---|---|
| 1 oz | 28.34952313 g |
| 2 oz | 56.69904625 g |
| 4 oz | 113.3980925 g |
| 8 oz | 226.796185 g |
| 16 oz | 453.59237 g |
| 32 oz | 907.18474 g |
| 100 oz | 2,834.952313 g |
About this tool
The avoirdupois ounce — the everyday ounce for food and parcels — is exactly 28.349523125 grams. US recipes, coffee bags, and postage scales speak ounces; most of the world's kitchens speak grams, and baking in particular rewards the precision of grams.
Watch out for the troy ounce (31.1035 g), used only for precious metals — a gold price quoted 'per ounce' is not the ounce in your kitchen.
How to use it
- Enter the value in ounces in the box above.
- Read the result in grams — it updates as you type.
- Use the table for common values, or the reverse link to convert the other way.
Frequently asked questions
How do I convert ounces to grams?
Use the formula: grams = ounces × 28.349523125. Or simply type the value into the converter above — it applies the same formula instantly.
How many grams is 8 ounces?
8 ounces = 226.796185 grams — half a pound, a standard stick-of-butter-and-a-half in US baking.
Is this conversion exact?
Yes — the factor behind this pair is an exact international definition, and the tool shows up to 10 significant digits, so nothing is lost to rounding until the final display.