Convert ounces to grams
1 oz = 28.349523 g. Change the amount below, or read the formula and the reference table further down.
1 ounce equals
grams
1 oz = 28.349523 g
The formula
Ounces and grams both measure weight & mass from the same zero, so a single multiplier does the job.
g = oz × 28.34952313
Going the other way? Convert grams to ounces.
Ounces to grams table
Common values, rounded for reading.
| Ounces (oz) | Grams (g) |
|---|---|
| 1 | 28.3495 |
| 2 | 56.699 |
| 3 | 85.0486 |
| 4 | 113.4 |
| 5 | 141.75 |
| 6 | 170.1 |
| 7 | 198.45 |
| 8 | 226.8 |
| 9 | 255.15 |
| 10 | 283.5 |
| 15 | 425.24 |
| 20 | 566.99 |
| 25 | 708.74 |
| 30 | 850.49 |
| 40 | 1,133.98 |
| 50 | 1,417.48 |
| 75 | 2,126.21 |
| 100 | 2,834.95 |
| 250 | 7,087.38 |
| 500 | 14,174.76 |
| 1,000 | 28,349.52 |
Questions people ask
- How many grams are in a ounce?
- One ounce equals 28.34952313 grams.
- How do I convert ounces to grams by hand?
- Multiply the number of ounces by 28.34952313. For a rough check, 28.3 is close enough for most everyday use.
- What is 1 ounce in grams?
- 1 ounce is 28.349523 grams.
Calcuit generates this page from a unit table, so the factors here match every other page on the site.