How to Convert Ounces to Grams
Converting ounces to grams is essential when following recipes from different countries, weighing small packages, or comparing product sizes. Many international food products show both units.
1.00 Ounces = 28.3495 Grams
To convert oz to grams, multiply by 28.3495. One ounce equals approximately 28.35 grams.
Step-by-Step
- Start with your value: 1.00 oz
- Multiply by 28.3495
- Result: 28.3495 g
Formula: Grams = Ounces × 28.3495
💡 Memory Tip: 1 oz = 28.35 g. A AAA battery weighs about 1 oz (28g). A standard letter is about 1 oz.
Ounces to Grams Quick Reference
| Ounces | Grams | Common Reference |
|---|---|---|
| 1 | 28.35 | AAA battery |
| 2 | 56.70 | C standard letter |
| 4 | 113.40 | Stick of butter |
| 8 | 226.80 | Half cup of water |
| 16 | 453.60 | One pound exactly |
Understanding Ounces and Grams
What is an Ounce?
An ounce (oz) is a unit of mass in the imperial system. One ounce equals exactly 28.3495 grams, or 1/16 of a pound. There are 16 ounces in a pound (453.6g).
What is a Gram?
A gram (g) is a unit of mass in the metric system. One gram equals exactly 0.035274 ounces, or 1/1000 of a kilogram. Grams are widely used for cooking and small weights.
Learn more about grams on Wikipedia →
Key Facts
US postal rates are by ounce. Cooking scales show both oz and g. Nutrition labels show grams. Gold is measured in troy ounces (31.1g).
Key Conversion Facts
- 1 Ounce = 28.3495 g
- 1 Gram = 0.035274 oz
- 16 Oz = 1 pound (453.6 g)
- 1 Ounce = 437.5 grains
- 1 Troy Oz = 31.1035 g (precious metals)
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Frequently Asked Questions
1 ounces equals 28.3495 grams. Multiply 1 by 28.3495.
Grams = Ounces × 28.3495
For 1 oz: 1 × 28.3495 = 28.3495 g
1 oz = 0.063 lbs (16 oz = 1 lb).
1 oz = 28.3 g. Very light, like a battery or letter.
Quick estimate: multiply by 28 (close enough for most uses). For cooking, 28.35g per ounce is exact.