Grams to Ounces Converter
Convert grams to ounces instantly — 1 oz = 28.3495 g
100 g =
3.527 oz
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Quick summary
To convert grams to ounces, divide by 28.3495. So 100 g ≈ 3.53 oz, 250 g ≈ 8.82 oz, and 500 g ≈ 17.64 oz. To convert ounces to grams, multiply by 28.3495. Use swap to reverse. These are avoirdupois (weight) ounces, the standard for food and everyday items.
Reviewed by Simple Calculators TeamLast reviewed
How to use this calculator
- Enter the inputs requested by the calculator.
- Choose the units or options that match your situation and review the assumptions.
- Run or update the calculation to see the result.
- Review the result, breakdown, and formulas shown on the page.
- Check the inputs, units, dates, and limitations before saving or sharing the result.
Frequently asked questions
How do I convert grams to ounces?
Divide the grams by 28.3495 to get ounces. For example, 250 g ÷ 28.3495 = 8.82 oz. To convert ounces to grams, multiply by 28.3495 instead.
How many ounces is 100 grams?
100 grams is about 3.53 ounces. This is a common cooking conversion, which is why the reference table lists typical recipe weights.
How many grams in an ounce?
One ounce equals 28.3495 grams — exactly 28.349523125 g, the avoirdupois ounce used for weight. A pound is 16 of these ounces, or 453.59237 grams.
Is this the same as a fluid ounce?
No — this converts weight (grams to weight ounces). A fluid ounce measures volume, not weight, and only equals a weight ounce for water-like densities. For liquids, use the ml to oz converter.
Key terms
- Gram (g)
- A metric mass unit; 1000 g = 1 kilogram.
- Ounce (oz)
- An imperial mass unit; 1 oz = 28.3495 g.
- Avoirdupois Ounce
- The standard weight ounce for food and goods (vs fluid ounce).
Methodology, sources & limitations
This page shows the formula, assumptions, and limitations used for this estimate. Rates, thresholds, and other time-sensitive inputs can change, so verify them against the relevant official source before relying on a result.
For our review approach and the primary sources we consult, see the methodology and source policy. If you spot an outdated figure or formula, please contact us with a correction.