UnitSnapOunces to Grams
1 oz = 28.34952 g
Ounces to grams helps cooks scale American recipes with a metric kitchen scale, and helps buyers compare package weights across countries. US food labels print net weight in ounces alongside grams, but many recipes, portion guides, and postal rates elsewhere use grams. An ounce is about 28 grams.
When you need to convert ounces to grams
- Weighing ingredients from an American recipe on a scale set to grams
- Converting meat or cheese portions sold by the ounce at a US deli
- Comparing the net weight of packaged foods between US and metric markets
- Translating fishing lure or sinker weights given in ounces
How to convert ounces to grams
g = oz × 28.34952
Example: 5 oz = 141.7476 g
Common weights in ounces
| Ounces (oz) | Grams (g) |
|---|---|
| 0.5 oz | 14.17476 g |
| 1 oz | 28.34952 g |
| 2 oz | 56.69905 g |
| 4 oz | 113.3981 g |
| 6 oz | 170.0971 g |
| 8 oz | 226.7962 g |
| 12 oz | 340.1943 g |
| 16 oz | 453.5924 g |
Tips for converting ounces to grams
- Multiply ounces by 28 for an estimate within about 1% of the exact result.
- Multiplying by 30 is a common shortcut, but it overstates the weight by nearly 6%, too much for baking.
- If the recipe says fl oz, it is measuring volume. Do not use this weight conversion for fluid ounces.
Ounces to Grams conversion table
| Ounces (oz) | Grams (g) |
|---|---|
| 1 oz | 28.34952 g |
| 2 oz | 56.69905 g |
| 3 oz | 85.04857 g |
| 4 oz | 113.3981 g |
| 5 oz | 141.7476 g |
| 6 oz | 170.0971 g |
| 7 oz | 198.4467 g |
| 8 oz | 226.7962 g |
| 9 oz | 255.1457 g |
| 10 oz | 283.4952 g |
| 15 oz | 425.2428 g |
| 20 oz | 566.9905 g |
| 25 oz | 708.7381 g |
| 30 oz | 850.4857 g |
| 40 oz | 1,133.981 g |
| 50 oz | 1,417.476 g |
| 75 oz | 2,126.214 g |
| 100 oz | 2,834.952 g |
| 250 oz | 7,087.381 g |
| 500 oz | 14,174.76 g |
| 1,000 oz | 28,349.52 g |
About the units
Ounces: The ounce (avoirdupois) is a US customary and imperial unit of mass equal to 1/16 of a pound, or about 28.35 grams.
Grams: The gram is a metric unit of mass equal to one thousandth of a kilogram, used for food, ingredients and small items.
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Frequently asked questions
How many grams are in 1 ounce?
1 ounce equals 28.34952 grams.
How many ounces are in 1 gram?
1 gram equals 0.03527396 ounces.
How do I convert ounces to grams?
Use the formula g = oz × 28.34952.
What is 10 ounces in grams?
10 ounces equals 283.4952 grams.
Related conversions
Factors: NIST SP 811 · SI Brochure · NIST Handbook 44 — Updated