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Ounce to Gram Converter

1 ounce is exactly 28.349523125 grams. Convert ounces (oz) to grams (g) below: type a value and the result updates as you type.

oz to g calculator

Dot or comma decimals and scientific notation (1e-3) work.

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Result

Ounce to Gram conversion

1 oz = 28.349523125 gone ounce in grams

1 g ≈ 0.03527396195 ozone gram in ounces

Ounce (oz): Exactly 1/16 of an avoirdupois pound.

Gram (g): One thousandth of a kilogram.

Source:Ounce: International yard and pound agreement (1959); Gram: SI Brochure, 9th edition (BIPM, 2019)

How to convert ounces to grams

To convert ounces to grams, multiply the number of ounces by 28.349523125.

Formula

g = oz × 28.349523125

Examples

  • 5 oz = 5 × 28.349523125 = 141.747615625 g
  • 25 oz = 25 × 28.349523125 = 708.738078125 g
  • 100 oz = 100 × 28.349523125 = 2834.9523125 g

Ounce to Gram conversion table

Ounce to Gram
Ounce (oz)Gram (g)
0.1 oz2.8349523125 g
0.5 oz14.1747615625 g
1 oz28.349523125 g
2 oz56.69904625 g
3 oz85.048569375 g
5 oz141.747615625 g
10 oz283.49523125 g
20 oz566.9904625 g
25 oz708.738078125 g
50 oz1417.47615625 g
100 oz2834.9523125 g
250 oz7087.38078125 g
500 oz14174.7615625 g
1000 oz28349.523125 g

Values rounded to 10 significant digits where needed.

Frequently asked questions

How many grams are in one ounce?
One ounce is exactly 28.349523125 grams.
How do I convert grams to ounces?
To convert grams to ounces, divide the number of grams by 28.349523125. The formula is oz = g ÷ 28.349523125.
Is this conversion exact?
Yes. Both units have exact definitions and the factor 28.349523125 is exact. Displayed results are only rounded when they have many decimal places.
Which is larger, a ounce or a gram?
A ounce is 28.349523125 times larger than a gram. In other words, a gram is about 0.03527396195 of a ounce.