Ounces to Grams Converter
Convert ounces (oz) to grams (g) for cooking and baking. The key ratio: 1 ounce equals 28.3495 grams. Whether you're adapting an American recipe for a kitchen scale or portioning ingredients, this converter gives you instant results.
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To convert ounces to grams, multiply the number of ounces by 28.3495. For example, 4 oz × 28.3495 = 113.4 grams. This conversion applies to weight (avoirdupois) ounces used in cooking — not fluid ounces, which measure volume.
Many American recipes list ingredients in ounces, especially for meat, cheese, and chocolate. Converting to grams lets you use a metric kitchen scale for more precise measurements. Most professional pastry chefs worldwide prefer grams for their accuracy and consistency.
Ounces to Grams — Quick Reference Chart
| Ounces | Grams | Common Use |
|---|---|---|
| 0.5 oz | 14.17g | Small spice packet |
| 1 oz | 28.35g | Slice of cheese |
| 2 oz | 56.70g | Portion of pasta (dry) |
| 3 oz | 85.05g | Serving of meat |
| 4 oz (¼ lb) | 113.40g | Stick of butter (half) |
| 6 oz | 170.10g | Yogurt container |
| 8 oz (½ lb) | 226.80g | Full stick of butter |
| 12 oz | 340.19g | Standard can size |
| 16 oz (1 lb) | 453.59g | One pound |
| 32 oz (2 lb) | 907.18g | Nearly one kilogram |
Frequently Asked Questions
How many grams are in an ounce?
One ounce equals 28.3495 grams. For quick mental math, rounding to 28g per ounce is close enough for most cooking purposes.
What's the difference between ounces and fluid ounces?
Ounces (oz) measure weight, while fluid ounces (fl oz) measure volume. This converter handles weight ounces. For water, 1 fl oz weighs about 1 oz, but this doesn't hold for other ingredients.
How many grams in a pound?
One pound (16 ounces) equals 453.59 grams, or roughly 454g. A kilogram is about 2.2 pounds.
How do I convert grams back to ounces?
Divide the grams by 28.3495. For example, 200g ÷ 28.3495 ≈ 7.05 oz. Or use our Grams to Cups converter for volume-based measurements.
Are cooking ounces the same as troy ounces?
No. Cooking uses avoirdupois ounces (28.35g). Troy ounces (31.10g) are used for precious metals. This converter uses cooking (avoirdupois) ounces.