Ounces to Grams Conversion Chart
Quick-reference chart converting ounces (oz) to grams (g). Covers ½ oz to 64 oz — ideal for cooking, food packaging, and converting US recipes to metric.
For a custom value not in this chart, use the interactive Ounce to Gram converter.
| Ounce (oz) | Gram (g) |
|---|---|
| ½ oz | 14.1748 g |
| 1 oz | 28.3495 g |
| 2 oz | 56.699 g |
| 3 oz | 85.0486 g |
| 4 oz | 113.398 g |
| 5 oz | 141.748 g |
| 6 oz | 170.097 g |
| 7 oz | 198.447 g |
| 8 oz | 226.796 g |
| 9 oz | 255.146 g |
| 10 oz | 283.495 g |
| 12 oz | 340.194 g |
| 14 oz | 396.893 g |
| 16 oz | 453.592 g |
| 20 oz | 566.99 g |
| 24 oz | 680.389 g |
| 28 oz | 793.787 g |
| 32 oz | 907.185 g |
| 40 oz | 1133.98 g |
| 48 oz | 1360.78 g |
| 56 oz | 1587.57 g |
| 64 oz | 1814.37 g |
Conversion Formula
g = oz × 28.3495 1 oz = 28.3495 g (avoirdupois) Key reference values: 1 oz = 28.35 g 4 oz = 113.4 g (¼ lb / 1 stick butter) 8 oz = 226.8 g (½ lb) 12 oz = 340.2 g (¾ lb / standard pasta bag) 16 oz = 453.6 g = 1 lb 32 oz = 907.2 g = 2 lb Common US nutrition label serving sizes: 1 oz (28 g) — chips, nuts 2 oz (57 g) — deli meat 3 oz (85 g) — standard protein portion 6 oz (170 g) — yogurt cup Quick estimate: oz × 28 ≈ g (within 0.2%)
Frequently Asked Questions
How many grams is 4 ounces?
4 ounces equals approximately 113.4 grams. This is one-quarter pound — a common weight for butter portions, fish fillets, and protein servings.
How many grams is 8 ounces?
8 ounces equals approximately 226.8 grams (about 227 g). This is half a pound — a very common food package size for cheese, meat, and many other products.
Is a cooking ounce the same as a dry ounce?
Yes — both are avoirdupois ounces: 28.3495 grams each. This is different from a fluid ounce (fl oz), which is a measure of volume (29.574 mL), not weight. Always check whether a recipe means weight ounces or fluid ounces.
What is 1.5 oz in grams?
1.5 × 28.3495 = 42.5 g. This is a typical serving of nuts or hard cheese on a US nutrition label.
What is 12 oz in grams?
12 × 28.3495 = 340.2 g. A standard US pasta box and many snack bags are 12 oz (340 g). It is also the weight of a typical beer can serving (12 fl oz ≈ 354 mL by volume, but 12 weight oz = 340 g).
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This chart covers common values. For any number, use the interactive converter.
Use the interactive converter →All conversion values are calculated using internationally recognized conversion factors. Results are provided for general informational purposes — verify critical values independently. Read our full disclaimer.