Ounces to Grams Converter
Convert ounces to grams and grams to ounces. Free online ounces to grams converter tool for cooking, baking, science, and more.
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Ounces to Grams Converter
Ounces (oz)
Grams (g)
Common Conversion Examples
0.1 oz = 2.834952 g
0.1 oz = 2.834952 g
1 oz = 28.349523 g
1 oz = 28.349523 g
2 oz = 56.699046 g
2 oz = 56.699046 g
5 oz = 141.747616 g
5 oz = 141.747616 g
10 oz = 283.495231 g
10 oz = 283.495231 g
20 oz = 566.990462 g
20 oz = 566.990462 g
50 oz = 1417.476156 g
50 oz = 1417.476156 g
100 oz = 2834.952313 g
100 oz = 2834.952313 g
Ounce to Gram Converter - Fast & Accurate
Instantly convert ounces to grams and grams to ounces with our free online tool. Perfect for cooking, baking, science, and more.
How to Use
Enter your value in ounces or grams and get the result instantly. Our converter uses the official international rate for maximum accuracy.
Why Use This Tool?
- Quick and easy for recipes and kitchen conversions
- Accurate for science and lab work
- Mobile-friendly and free to use
- Works both ways: ounces to grams and grams to ounces
Ounces to Grams: Definition, History, Uses, and Examples
Definition
An ounce (oz) in the everyday avoirdupois system equals 28.349523125 grams. A gram (g) is the SI unit used worldwide for food, science, and commerce. The ounces to grams formula is:
Grams (g) = Ounces (oz) × 28.349523125
Origin or History
The term ounce comes from Latin uncia, meaning a twelfth. The modern avoirdupois ounce became a standard in English-speaking countries. The gram was created with the metric system during the French Revolution to simplify measurements globally.
Note: Precious metals use the troy ounce (31.1034768 g). This calculator uses the standard avoirdupois ounce for recipes, food, and everyday items.
Current Use
- Cooking & baking: Convert ounces to grams for baking (flour, sugar, butter).
- Coffee: Convert 8 oz to grams for bags or brew ratios.
- Nutrition labels: Check how many grams in 4 ounces of food.
- Shipping: Many parcels list ounces; convert to grams for customs forms.
- Lab & crafts: Small amounts of powders, clays, and chemicals often use grams.
Examples
| Ounces (oz) | Grams (g) | Example Use |
|---|---|---|
| 1 oz | 28.3495 g | Spices, yeast packets |
| 2 oz | 56.6990 g | Chocolate squares, nuts |
| 3.5 oz | 99.2233 g | Small snack packs |
| 4 oz | 113.3981 g | Butter stick, cheese portions |
| 8 oz | 226.7962 g | Half a pound; common recipe amount |
| 12 oz | 340.1943 g | Coffee bags, beverage cans |
| 16 oz | 453.5924 g | One pound |
Step-by-step example
Convert 8 ounces to grams: 8 × 28.349523125 = 226.796185 g (≈ 226.7962 g).