Ounces to Grams Converter
Convert ounces to grams instantly. One ounce equals exactly 28.34952 grams. Type in either box to convert both ways, then use the chart, worked examples and everyday sizes below.
How to convert ounces to grams
Worked example: convert 35 ounces to grams. Using grams ← ounces × 28.34952313, we get 35 × 28.34952313 = 992.23331 g. To check the result, convert back: 992.23331 g ÷ 28.34952313 = 35 oz.
Ounces to grams chart
| Ounces (oz) | Grams (g) |
|---|---|
| 1 oz | 28.34952 g |
| 2 oz | 56.69905 g |
| 3 oz | 85.04857 g |
| 4 oz | 113.3981 g |
| 5 oz | 141.7476 g |
| 6 oz | 170.0971 g |
| 8 oz | 226.7962 g |
| 10 oz | 283.4952 g |
| 12 oz | 340.1943 g |
| 15 oz | 425.2428 g |
| 20 oz | 566.9905 g |
| 25 oz | 708.7381 g |
| 30 oz | 850.4857 g |
| 40 oz | 1,133.981 g |
| 50 oz | 1,417.476 g |
| 75 oz | 2,126.214 g |
| 100 oz | 2,834.952 g |
| 150 oz | 4,252.428 g |
| 200 oz | 5,669.905 g |
| 250 oz | 7,087.381 g |
| 500 oz | 14,174.76 g |
| 1,000 oz | 28,349.52 g |
Grams to ounces (reverse)
| Grams (g) | Ounces (oz) |
|---|---|
| 1 g | 0.03527396 oz |
| 2 g | 0.07054792 oz |
| 5 g | 0.1763698 oz |
| 10 g | 0.3527396 oz |
| 20 g | 0.7054792 oz |
| 50 g | 1.763698 oz |
| 100 g | 3.527396 oz |
| 250 g | 8.81849 oz |
| 500 g | 17.63698 oz |
| 1,000 g | 35.27396 oz |
About the ounce and the gram
The avoirdupois ounce is one sixteenth of a pound. It appears on US food packaging, postal rates and kitchen scales. Fluid ounces measure volume and are a different unit, and precious metals use the heavier troy ounce of 31.1035 grams.
The gram is one thousandth of a kilogram and the everyday unit for cooking ingredients, nutrition labels and postal weights of small items. A paperclip weighs about one gram.
One ounce equals 28.34952 grams, which makes the ounce the heavier unit of the two.
Everyday sizes in ounces and grams
| Everyday example (approximate) | In ounces | In grams |
|---|---|---|
| A paperclip | 0.035274 oz | 1 g |
| A US stick of butter | 3.986 oz | 113 g |
| A smartphone | 6.7021 oz | 190 g |
| A liter of water | 35.274 oz | 1,000 g |
| A newborn baby | 119.93 oz | 3,400 g |
| A bowling ball (maximum) | 256.09 oz | 7,260 g |
Ounces to grams FAQ
How many grams are in one ounce?
One ounce equals exactly 28.34952313 grams. In the other direction, one gram equals 0.035273962 ounces.
How do I convert ounces to grams without a calculator?
convert 35 ounces to grams. Using grams ← ounces × 28.34952313, we get 35 × 28.34952313 = 992.23331 g. To check the result, convert back: 992.23331 g ÷ 28.34952313 = 35 oz. For a quick estimate, round the factor to 28. Then 35 oz is about 980 g, compared with the exact 992.233 g (an error of 1.2%). That is close enough for planning, but use the calculator above when the number matters.
What is a paperclip in grams?
A paperclip is about 0.035274 ounces, which is 1 grams. Treat that as an approximate everyday figure rather than an official measurement.
Are the ounces and grams the same in every country?
The avoirdupois ounce is exactly 28.349523125 g; the troy ounce (31.1035 g) is a different unit used for gold and silver. The gram is exactly 0.001 kg.