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Ounces to Grams Converter

Convert ounces to grams and grams to ounces instantly. Bidirectional weight converter with formula and common values.

oz

Grams

240.9707

g

8.5 oz = 240.9707 g

g = oz × 28.3495

How to Convert Ounces to Grams

Multiply the ounce value by 28.3495. One avoirdupois ounce is defined as exactly 28.349523125 grams.

Conversion Formula

  • Ounces to Grams: g = oz × 28.3495
  • Grams to Ounces: oz = g ÷ 28.3495

Common Conversions

OuncesGrams
256.699
4113.398
6170.097
8226.796
12340.194
16453.592
32907.185

Related

FAQ

How many grams in an ounce?

One avoirdupois ounce equals approximately 28.3495 grams.

How do I convert ounces to grams?

Multiply the ounce value by 28.3495. For example, 8.5 oz = 8.5 × 28.3495 = 240.97 g.

Is a troy ounce different from a regular ounce?

Yes. A troy ounce (used for precious metals) weighs 31.1035 g, while a regular avoirdupois ounce weighs 28.3495 g. This converter uses avoirdupois ounces.

When is this conversion most useful?

Very common in cooking (converting US recipes to metric), nutrition labeling, and postal weight calculations.