Type a number of grams and this converter shows the answer in ounces instantly (1 g = 0.035274 oz). Below the converter you will find a ready-made g to oz table, and further down the formula with a worked example.
Grams are the standard for kitchen scales, nutrition labels and recipes in metric countries, while US cooks and post offices use ounces. Typical uses are scaling a European baking recipe (250 g of flour is 8.82 oz), checking a 100 g chocolate bar (3.53 oz), weighing letters and parcels for postage and comparing portion sizes on food packaging.
How to use the Grams to Ounces tool
- Enter the value in grams in the Value box. Decimals such as 125.5 are fine.
- The result in ounces appears straight away, rounded to six significant digits.
- Check the formula line under the result to see exactly how it was calculated.
- Press ⇄ to convert ounces back to grams, or pick any other unit from the lists.
- Use Copy result, or look up common values in the conversion table.
Why use ToolOrca Grams to Ounces
- Exact factor: 1 g = 0.035274 oz
- Conversion table: g to oz
- Formula and worked example included
- Instant result as you type
- Converts to every other weight unit too
- Free, private and works offline
How to convert grams to ounces
A gram is one thousandth of a kilogram. One avoirdupois ounce is 1/16 of a pound, exactly 28.349523125 grams. So 1 g = 0.0352739619 oz, and 1 oz = 28.3495231 g.
To convert grams to ounces, multiply the number of grams by 0.035273962.
Worked example: 250 g × 0.035273962 = 8.81849 oz.
Quick mental math for g to oz
Divide by 30 and add a bit: 150 g ÷ 30 = 5, the exact answer is 5.29 oz. More precisely, 100 g ≈ 3.5 oz.
Need the opposite direction? Use the ounces to grams converter, or switch units with the ⇄ button above.
Frequently asked questions
How many ounces is 100 g?
100 g is 3.5274 oz (100 × 0.035273962 = 3.5274).
How many ounces is 250 g?
250 g is 8.81849 oz (250 × 0.035273962 = 8.81849).
How many ounces is 500 g?
500 g is 17.637 oz (500 × 0.035273962 = 17.637).
What is the formula to convert grams to ounces?
To convert grams to ounces, multiply the number of grams by 0.035273962. To go the other way, use the ounces to grams converter.
Are these troy ounces for gold?
No. This page uses the avoirdupois ounce (28.35 g) for food and post. Precious metals use the troy ounce, which is 31.1035 g.