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How Many Grams in an Ounce?

Type into either field for instant two-way conversion.

How Many Grams in an Ounce?

How to Convert Ounces to Grams

1 ounce = 28.349523125 grams. Get the answer instantly with FLIPUNITS.COM.

Quick answer page for the grams-in-an-ounce search, with a calculator below for reverse checking.

1 ounce = 28.349523125 grams.

grams = ounces × 28.349523125

Type into either field above to reverse the conversion instantly.

Ounces to Grams Reference Values

Ounces	Grams
1 Ounces	28.34952313 Grams
8 Ounces	226.796185 Grams
16 Ounces	453.59237 Grams

Values are calculated with grams = ounces × 28.349523125 and rounded for readability.

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How Many Grams in an Ounce? FAQ

How do I convert Ounces to Grams?

Enter a value in the Ounces field above. FLIPUNITS.COM applies grams = ounces × 28.349523125 and displays the converted Grams value instantly.

Can I convert Grams back to Ounces?

Yes. Type directly into the Grams field and the calculator reverses the formula automatically.

Is this Ounces to Grams conversion exact?

The formula itself is mathematically exact. Displayed results are rounded for readability, so verify with additional decimal places for scientific or safety-critical use.