An avoirdupois ounce is 1/16 pound.
Ounces to Grams
Convert ounces (oz) to grams (g) instantly. Free online weight converter with formulas, tables and examples.
Reserved for a responsive leaderboard above the conversion details.
Professional calculator style
World-scale conversion engine
Converter
Length Converter
Convert metric, imperial, and nautical distance units.
A gram is one thousandth of a kilogram.
g = oz × 28.349523125
Results update instantly for Ounces to Grams conversions.
Reserved above the conversion cards and below the converter.
Formula
g = oz × 28.349523125
oz = g ÷ 28.349523125
Conversion table
| 1 oz | 28.349523 g |
| 5 oz | 141.747616 g |
| 10 oz | 283.495231 g |
| 20 oz | 566.990463 g |
| 50 oz | 1417.476156 g |
| 100 oz | 2834.952313 g |
| 500 oz | 14174.761562 g |
| 1000 oz | 28349.523125 g |
Related conversions
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
What is the source unit in this conversion?
The source unit is the ounce (oz). An avoirdupois ounce is 1/16 pound.
What is the destination unit in this conversion?
The destination unit is the gram (g). A gram is one thousandth of a kilogram.
How do I convert ounces to grams?
Multiply the number of ounces by 28.349523125 to get the equivalent value in grams. For example, 5 oz × 28.349523125 = 141.747616 g.
Is the ounce to gram conversion exact?
Yes. This converter uses a fixed factor of 28.349523125, so results are precise and consistent every time you use it.
Where is this conversion commonly used?
It's used in everyday measurement, shipping and logistics, scientific and industrial work, and any context where you need to switch between ounce and gram values.
Can I convert grams back to ounces?
Yes. Multiply the grams value by 0.0352739619496, or divide it by 28.349523125, to convert back to ounces.
Reserved between the FAQ and the article so the page stays balanced.
About this conversion
This page converts ounces (oz) into grams (g) using the Universal Converter's mass conversion engine.
Ounce-to-Gram conversions are useful for everyday calculations, scientific work, shipping, and any task that mixes different weight or mass units.
The formula is g = oz × 28.349523125, based on the standard definitions of ounce and gram.
Because the conversion factor is fixed, results stay consistent and repeatable no matter how many times you calculate them.
Ounce: An avoirdupois ounce is 1/16 pound. Gram: A gram is one thousandth of a kilogram.