Ounce to GramConverter
Instantly convert Ounce (oz) to Gram (g). Free, accurate, and easy to use.
How to Convert Ounce to Gram
To convert Ounce (oz) to Gram (g), multiply your value by 28.3495.
Example: 5 oz × 28.3495 = 141.7475 g
What is a Ounce?
The avoirdupois ounce equals 1/16 of a pound or approximately 28.3495 grams, used in the United States for food products, postal weights, and retail measurements. It differs from the troy ounce (31.1035 g) used for precious metals such as gold and silver. The word 'ounce' comes from the Latin 'uncia,' meaning one twelfth (its fraction in the earlier Roman system). A standard slice of sandwich bread weighs approximately 28–30 grams, or about 1 ounce.
What is a Gram?
The gram is one thousandth of a kilogram and the primary everyday unit for measuring small masses in cooking, pharmacy, and retail. It equals approximately 0.0353 avoirdupois ounces. Nutrition labels worldwide list macronutrients in grams, and postal services use grams for lightweight items. A US nickel coin weighs exactly 5 grams, and a standard paper clip weighs about 1 gram.
Ounce to Gram Conversion Table
| Ounce (oz) | Gram (g) |
|---|---|
| 0.001 oz | 0.0283495 g |
| 0.01 oz | 0.283495 g |
| 0.1 oz | 2.83495 g |
| 0.5 oz | 14.17475 g |
| 1 oz | 28.3495 g |
| 2 oz | 56.699 g |
| 5 oz | 141.7475 g |
| 10 oz | 283.495 g |
| 20 oz | 566.99 g |
| 50 oz | 1417.475 g |
| 100 oz | 2834.95 g |
| 200 oz | 5669.9 g |
| 500 oz | 14174.75 g |
| 1000 oz | 28349.5 g |
| 5000 oz | 141747.5 g |
| 10000 oz | 283495 g |
| 50000 oz | 1417475 g |
| 100000 oz | 2834950 g |
| 1000000 oz | 28349500 g |
| 1000000000 oz | 2.8350e+10 g |
Frequently Asked Questions
How do I convert Ounce to Gram?
Multiply the Ounce value by 28.3495. Formula: g = oz × 28.3495. Example: 10 oz = 283.495 g.
How many Gram are in one Ounce?
One Ounce (oz) equals 28.3495 Gram (g).
How many Ounce are in one Gram?
One Gram (g) equals 0.03527399 Ounce (oz).
What is the exact conversion factor from Ounce to Gram?
The conversion factor is 28.3495. Multiply any oz value by this number to get g. For the reverse, multiply by 0.03527399.
How do I convert Gram back to Ounce?
Divide by 28.3495, or equivalently multiply by 0.03527399. Formula: oz = g ÷ 28.3495.
Is the Ounce-to-Gram conversion internationally standardized?
Yes. Both units are defined by international standards (SI or the international yard/pound agreement), so the conversion factor 28.3495 is exact and universally agreed upon.