Ounces to Grams Converter
Ounces measure ingredients, coffee, and parcels in the US customary system, while grams are the metric standard everywhere else. Converting ounces to grams matters when an American recipe calls for 8 ounces of chocolate, when your coffee bag says 12 oz, or when supplement dosages are printed in ounces. One ounce equals 28.3495 grams — multiply ounces by 28.3495. Try the converter above for instant two-way results, use the table for quick lookups, and check the FAQs for everyday examples like a 12-ounce coffee bag in grams.
Ounces to Grams Calculator
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Quick Reference Table
| Ounces (oz) | Grams (g) |
|---|---|
| 1 | 28.3495 |
| 2 | 56.699 |
| 3 | 85.0486 |
| 4 | 113.3981 |
| 5 | 141.7476 |
| 6 | 170.0971 |
| 7 | 198.4467 |
| 8 | 226.7962 |
| 9 | 255.1457 |
| 10 | 283.4952 |
| 25 | 708.7381 |
| 50 | 1417.4762 |
| 100 | 2834.9523 |
| 500 | 14174.7616 |
Frequently Asked Questions
How many grams are in 12 ounces?
12 ounces = 340.1943 grams. Just apply the conversion to any value with the converter above.
What is the formula to convert ounces to grams?
To convert ounces to grams, multiply the number of ounces by 28.3495. In short: 1 oz = 28.3495 g.
How many grams are in a 12 oz coffee bag?
12 oz equals 340.194 g. Specialty coffee is often sold in 12-ounce bags in the US, which is just over a third of a kilogram. Multiply 12 × 28.349523125 = 340.1943 g.
How do I convert grams back to ounces?
Simply reverse the math: to go from grams to ounces, divide the grams by 28.349523. Or use our dedicated Grams to Ounces converter.