1 ounce 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
Values either side of 1 oz.
| Ounces (oz) | Grams (g) |
|---|---|
| -4 | -113.4 |
| -3.5 | -99.2233 |
| -3 | -85.0486 |
| -2.5 | -70.8738 |
| -2 | -56.699 |
| -1.5 | -42.5243 |
| -1 | -28.3495 |
| -0.5 | -14.1748 |
| 0 | 0 |
| 0.5 | 14.1748 |
| 1 | 28.3495 |
| 1.5 | 42.5243 |
| 2 | 56.699 |
| 2.5 | 70.8738 |
| 3 | 85.0486 |
| 3.5 | 99.2233 |
| 4 | 113.4 |
| 4.5 | 127.57 |
| 5 | 141.75 |
| 5.5 | 155.92 |
| 6 | 170.1 |
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.