Convert Ounces to grams
1 ounce = 28.3495 grams · g = oz × 28.34952313
When you need this conversion
Cooking is the main driver, since European and Asian recipes weigh ingredients in grams while US recipes use ounces and cups. It also matters for postage, where shipping tiers are set by weight brackets, and for coffee brewing where a ratio of grams to water is standard.
Ounces to grams conversion table
| Ounces (oz) | Grams (g) |
|---|---|
| 1 oz | 28.3495 g |
| 2 oz | 56.699 g |
| 3 oz | 85.0486 g |
| 5 oz | 141.75 g |
| 10 oz | 283.5 g |
| 15 oz | 425.24 g |
| 20 oz | 566.99 g |
| 25 oz | 708.74 g |
| 50 oz | 1,417.48 g |
| 75 oz | 2,126.21 g |
| 100 oz | 2,834.95 g |
| 250 oz | 7,087.38 g |
| 500 oz | 14,174.76 g |
| 1,000 oz | 28,349.52 g |
The formula
g = oz × 28.34952313Because both units measure weight, the conversion is a single multiplication by a fixed factor. That factor never changes, so the result is exact.
Convert the other way
Grams to ounces →Related weight conversions
- Carats to grams
- Grams to carats
- Kilograms to pounds
- Kilograms to stones
- Metric tons to US tons
- Pounds to kilograms
- Stones to kilograms
- US tons to metric tons
- Milligrams to grams
- Kilograms to grams
- Metric tons to grams
- Ounces to milligrams
Frequently asked questions
- How many grams are in a ounce?
- There are 28.3495 grams in 1 ounce. The formula is g = oz × 28.34952313.
- How do you convert ounces to grams?
- Use the formula g = oz × 28.34952313. For example, 10 ounces equals 283.5 grams.
- Is the ounces to grams conversion exact?
- Yes. Ounces and grams are both units of weight, related by an exact defined factor. Displayed results are rounded for readability.
- What is oz short for?
- oz is the standard symbol for ounce. g is the symbol for gram.