Unit converter
Grams to Ounces Converter
Convert grams into ounces in a single step. One ounce is defined as exactly 28.349523125 grams, which makes one gram about 0.0352740 ounces. Enter a mass in grams and the tool returns ounces, along with a table of the values requested most. Grams to ounces is a kitchen staple when following an American recipe in grams against scales marked in ounces, weighing coffee or spices, portioning ingredients for baking, and reading food packaging or postage where one label uses metric and the other imperial.
1 gram = 0.035274 ounces
Common grams to ounces values
| Grams | Ounces |
|---|---|
| 1 g | 0.035274 oz |
| 2 g | 0.070548 oz |
| 5 g | 0.17637 oz |
| 10 g | 0.35274 oz |
| 20 g | 0.705479 oz |
| 50 g | 1.7637 oz |
| 100 g | 3.5274 oz |
How to convert
- Take the mass in grams you want to convert.
- Divide it by 28.349523125, because one ounce is exactly 28.349523125 grams.
- The result is that mass in ounces.
- To reverse it, multiply an ounce figure by 28.349523125 to get grams.
- For a rough estimate, treat 28 grams as one ounce: 100 grams is near 3.5 ounces, and 250 grams is close to 9 ounces.
ounces = grams / 28.349523125
One avoirdupois ounce equals exactly 28.349523125 grams, so dividing a gram figure by that constant gives ounces. Multiplying ounces by 28.349523125 reverses it. The ounce derives from the pound (one sixteenth of 453.59237 grams), so the value is exact.
- g
- the mass in grams you start with
- 28.349523125
- grams in one avoirdupois ounce, by definition
Worked example
A 250 g block of butter in a recipe is 250 divided by 28.349523125, which is about 8.82 ounces. A 100 g serving of pasta works out at 100 divided by 28.349523125, roughly 3.53 ounces, useful when a recipe lists ounces but your scale reads grams.
Key facts
- One ounce is exactly 28.349523125 g; one gram is about 0.0353 ounces.
- Sixteen ounces make one pound, so 453.59237 g equals 16 oz.
- A 28 g portion of nuts is almost exactly one ounce.
- A standard 30 g coffee dose is about 1.06 ounces.
Tips
- For quick cooking maths, round an ounce to 28 grams and adjust slightly upward for accuracy.
- When a US recipe gives whole ounces, multiply by 28.35 to set your gram scale.
- Keep the full divisor and round the ounce answer at the end so small portions stay accurate.
Frequently asked questions
How many ounces are in 1 gram?+
About 0.0352740 ounces, the reciprocal of 28.349523125. A gram is a small fraction of an ounce.
How many grams are in 1 ounce?+
Exactly 28.349523125 grams for the avoirdupois ounce used in cooking and general weighing.
What is 500 g in ounces?+
500 grams is about 17.64 ounces, just over a pound, since 16 ounces make a pound.
Is this the same ounce used for gold?+
No. Precious metals use the troy ounce of about 31.103 grams, which is heavier than the everyday avoirdupois ounce here.
Things to watch
- Do not mix the avoirdupois ounce used here with the troy ounce for precious metals, which is about 2.75 grams heavier.
Sources
Last updated: 2026-01-01
Conversions use internationally defined factors. Provided for general use; verify critical measurements independently.