Unit Conversions
Basic

Grams to Ounces

Convert grams to ounces.

Formula

oz=g×0.035274\text{oz} = \text{g} \times 0.035274

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Example

200 g × 0.035274 = 7.05 oz.

How it works

This formula converts a mass measured in grams into ounces by multiplying by 0.035274, which is the number of avoirdupois ounces in 1 gram. It works because grams and ounces are both units of mass, and the conversion factor is fixed by international unit definitions. The result tells you the equivalent weight in the imperial/US customary system.

When to use it

Use this when a recipe, package label, lab note, or shipping weight is given in grams but you need ounces. It is also useful when comparing measurements between metric and imperial units.

Worked example, step by step

Start with 85 g Multiply by the conversion factor: 85 × 0.035274 85 × 0.035274 = 2.99829 So, 85 g ≈ 3.00 oz

Common mistakes to avoid

  • using 28.35 instead of 0.035274 in the multiplication
  • confusing ounces of mass with fluid ounces, which measure volume
  • forgetting that the result is approximate because the conversion factor is rounded

Did You Know?

The ounce also traces back to the Roman "uncia", meaning a twelfth part.

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Reviewed & maintained by the FormulaWon editorial teamLast reviewed September 2026