Ounce Gram Converter
Instant, accurate bidirectional conversion. Useful for cooking, food packaging, and small US customary mass conversions.
1 oz = 28.349523125 g
Real-time conversion. Enter either field and the other updates instantly.
Quick answer and formula
1 ounce = 28.349523125 grams.
grams = ounces x 28.349523125
Ounce-to-gram results are often rounded to two decimals for kitchen use.
Quick conversion table
| Ounce | Gram | Formula check |
|---|---|---|
| 0.1 ounces | 2.8349523125 grams | 0.1 x 28.349523125 |
| 0.5 ounces | 14.1747615625 grams | 0.5 x 28.349523125 |
| 1 ounces | 28.349523125 grams | 1 x 28.349523125 |
| 2 ounces | 56.69904625 grams | 2 x 28.349523125 |
| 5 ounces | 141.747615625 grams | 5 x 28.349523125 |
| 10 ounces | 283.49523125 grams | 10 x 28.349523125 |
| 20 ounces | 566.9904625 grams | 20 x 28.349523125 |
| 50 ounces | 1,417.47615625 grams | 50 x 28.349523125 |
Examples
| Input | Result | Use |
|---|---|---|
| 1 oz | 28.349523125 g | Reference conversion |
| 2 oz | 56.69904625 g | Reference conversion |
| 8 oz | 226.796185 g | Reference conversion |
| 16 oz | 453.59237 g | Reference conversion |
How to use this converter
Best use cases
- Converting recipe or food label ounces into grams.
- Checking small package weights in metric units.
- Comparing ounce values with gram-based nutrition information.
Real-world examples
- 16 oz equals about 453.59 g, the same as 1 pound.
Common mistakes
- 1 ounce equals 28.349523125 grams.
Unit definitions and accuracy
Ounce (oz)
The ounce is an imperial and US customary mass unit equal to 1/16 of a pound.
Gram (g)
The gram is a metric mass unit equal to one thousandth of a kilogram.
Source note: Defined relationship: 1 ounce is exactly 28.349523125 grams.
Frequently asked questions
How many grams are in 1 ounce?
1 ounce is equal to 28.349523125 grams.
When was this page checked?
Last updated on June 9, 2026. The conversion factor and examples were reviewed for accuracy.
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