Grams to Ounces
Need to convert grams to ounces? Divide by 28.3495. Here is the formula and a complete reference chart for cooking and everyday use.
Formula
ounces = grams ÷ 28.3495 grams = ounces × 28.3495 pounds = grams ÷ 453.592
Quick reference chart
| From | To |
|---|---|
| 1 g | 0.035 oz |
| 10 g | 0.353 oz |
| 25 g | 0.882 oz |
| 50 g | 1.764 oz |
| 100 g | 3.527 oz |
| 125 g | 4.409 oz |
| 200 g | 7.055 oz |
| 250 g | 8.818 oz |
| 500 g | 17.64 oz |
| 1 kg | 35.27 oz |
| 1 oz | 28.35 g |
| 1 lb | 453.6 g |
When grams to ounces matters
The most common reason to convert grams to ounces is cooking. American recipes list dry ingredients in ounces and cups, while European and UK recipes use grams. If you are following a US recipe that calls for 8 oz of cream cheese, that is 226.8 grams — just under half a standard 500g tub. Cooking quantities rarely require more precision than rounding to the nearest gram.
Nutritional information on food packaging is another constant conversion point. US labels show serving sizes in ounces, while UK and EU labels use grams. A 1 oz serving of nuts is 28.35 grams. A 1.5 oz serving of cheese is 42.5 grams. If you're tracking macros using an app, you'll often need to convert the ounce-based serving size from US packaging into grams.
In the gold and precious metals market, troy ounces are used rather than avoirdupois ounces. A troy ounce is 31.1035 grams, not the standard 28.3495 grams. This distinction matters when reading gold prices or purchasing bullion — the price per troy ounce is quoted in all major financial markets. This converter uses avoirdupois ounces (the everyday system); for precious metals, use the troy ounce value.
Postal services quote parcel weight limits in both grams/kilograms and ounces/pounds. Royal Mail's large letter limit is 100g (3.53 oz). USPS First-Class Mail applies to items up to 3.5 oz (99g). Knowing both units helps when calculating postage for international parcels.
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Open Weight Converter →Frequently asked questions
How many grams is 1 ounce?
1 ounce equals 28.3495 grams. To convert ounces to grams, multiply by 28.3495.
How many ounces is 100 grams?
100 grams equals 3.527 ounces. Divide 100 by 28.3495 = 3.527 oz.
How many grams is 8 ounces?
8 ounces equals 226.8 grams. Multiply 8 × 28.3495 = 226.8 g. 8 oz is also half a pound.
How do I convert grams to ounces for cooking?
Divide grams by 28.35 for a close approximation. Common cooking conversions: 100g = 3.5 oz, 250g = 8.8 oz, 500g = 17.6 oz (about 1.1 lb). Most kitchen scales can switch between grams and ounces directly.
What is the difference between a fluid ounce and an ounce?
A fluid ounce (fl oz) measures volume — 1 US fl oz = 29.57 mL. A regular ounce (oz) measures weight — 1 oz = 28.35 g. They are completely different units and only happen to have similar names.
How many grams in a pound?
There are 453.592 grams in one pound. One pound equals 16 ounces, and each ounce is 28.3495 grams: 16 × 28.3495 = 453.592 g.