ounce to gram — free converter
Weight and Mass Converter · Home
Formula
gram = ounce × 28.3495
Worked example
15 ounces = 425.243 grams.
Conversion table
| Ounce | Gram |
|---|---|
| 1 ounces | 28.3495 grams |
| 2 ounces | 56.699 grams |
| 5 ounces | 141.748 grams |
| 10 ounces | 283.495 grams |
| 25 ounces | 708.738 grams |
| 50 ounces | 1,417.4762 grams |
| 100 ounces | 2,834.9523 grams |
What these units mean
An ounce is a small imperial weight used for food packets and postal items in the US. A gram is a small metric weight, the kind used for spices, letters and small packets. When you change from ounces to grams, you are simply expressing the same amount on a different scale, so the quantity itself does not change — only the number and the unit label do. A quick everyday check helps: picture the amount in your own life first, then let the converter do the arithmetic, and the result should feel roughly right before you use it for a purchase, a recipe or a journey.
FAQs about ounce to gram
How many grams are in 1 ounce?
1 ounce = 28.3495 gram.
What is the formula for ounce to gram?
gram = ounce × 28.3495. This conversion is a multiplication by a fixed standard factor.
What is 15 ounces in grams?
15 ounces = 425.243 grams.
How do I convert grams back to ounces?
Use the reverse page: gram to ounce. The converter on that page swaps the direction for you.
Is the ounce to gram result exact?
The factor is the standard published factor, and the converter shows the result rounded for reading. For everyday use this is exact enough; for engineering or laboratory work, check the rounding your task requires.