Grams to ounces
1 gram = 0.035274 ounces
Type a value in grams (g) to get ounces (oz) straight away. A gram is smaller than an ounce, so the number goes down. Both units belong to weight, measured here against the kilogram.
1 g = 0.035273962 oz
Formula
oz = g × 0.035273962
One gram is 0.035273962 ounces, so multiply by that factor. You can also divide by 28.3495, the number of grams in one ounce. Here g is the value in grams and oz is the result in ounces.
Worked example: 250 grams × 0.035273962 = 8.81849 ounces.
Grams to ounces table
| grams (g) | ounces (oz) |
|---|---|
| 1 g | 0.035274 oz |
| 2 g | 0.0705479 oz |
| 3 g | 0.105822 oz |
| 4 g | 0.141096 oz |
| 5 g | 0.17637 oz |
| 6 g | 0.211644 oz |
| 7 g | 0.246918 oz |
| 8 g | 0.282192 oz |
| 9 g | 0.317466 oz |
| 10 g | 0.35274 oz |
| 15 g | 0.529109 oz |
| 20 g | 0.705479 oz |
| 25 g | 0.881849 oz |
| 30 g | 1.05822 oz |
| 40 g | 1.41096 oz |
| 50 g | 1.7637 oz |
| 60 g | 2.11644 oz |
| 75 g | 2.64555 oz |
| 100 g | 3.5274 oz |
Everyday grams in ounces
| What it is | g | oz |
|---|---|---|
| a paper clip (about) | 1 g | 0.035274 oz |
| a teaspoon of sugar (about) | 5 g | 0.17637 oz |
| about one ounce | 28 g | 0.987671 oz |
| the per-100 g line on food labels | 100 g | 3.5274 oz |
| about one pound | 454 g | 16.0144 oz |
Quick estimate in your head
Multiply by about 0.035. For 250 g that gives 8.75 oz against an exact 8.81849 oz, an error of 0.8%.
Watch out for
- Do not mix up ounces (weight) with fluid ounces (volume), and gold is priced in troy ounces of 31.1 g, not 28.35 g.
About the units
Gram (g). One thousandth of a kilogram. Used for food, post and jewellery.
Ounce (oz). 1/16 of a pound, about 28.35 g. Used for food portions in the US.
Going the other way, 1 ounce is 28.3495 grams.
Questions
How many ounces are in 1 gram?
1 gram is 0.035274 ounces, and 1 ounce is 28.3495 grams.
How do I convert grams to ounces?
Use oz = g × 0.035273962. For example, 250 grams × 0.035273962 = 8.81849 ounces.
Is the gram to ounce factor exact?
The factor comes from the unit definitions. Results here are rounded to 6 significant digits for display.
How much is about one pound in ounces?
454 g is 16.0144 oz.
Source for the conversion factor: NIST SP 811, Appendix B (conversion factors).