Convert grams to ounces
One avoirdupois ounce equals exactly 28.349523125 grams, so one gram equals exactly 0.03527396194958 ounces. Example: 100 g × 0.03527396194958 = 3.5273961949580 oz. This ounce is a unit of mass (28.349523125 g) — distinct from the fluid ounce, a unit of volume.
Type a value and get the result with its full working shown — the coefficient, the multiplication and the rounding you choose.
gram → ounce (avoirdupois)
100 × 0.03527396194958 = 3.527396195 oz
See the exact formula: 1 g × 0.03527396194958 → oz · Source: BIPM SI Brochure, 9th ed.（1 g = 0.001 kg）.
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grams to ounces conversion table
| g | oz |
|---|---|
| 1 g | 0.0353 oz |
| 2 g | 0.0705 oz |
| 3 g | 0.1058 oz |
| 4 g | 0.1411 oz |
| 5 g | 0.1764 oz |
| 6 g | 0.2116 oz |
| 7 g | 0.2469 oz |
| g | oz |
|---|---|
| 8 g | 0.2822 oz |
| 9 g | 0.3175 oz |
| 10 g | 0.3527 oz |
| 25 g | 0.8818 oz |
| 50 g | 1.7637 oz |
| 100 g | 3.5274 oz |
Rounded to 4 decimals · exact values in the calculator above.
The exact formula
The avoirdupois ounce equals exactly 28.349523125 g (1/16 of the international pound of 0.45359237 kg). It is the common ounce for food and mail. Multiply by 0.03527396194958 (g → oz); reverse: multiply by 28.349523125.
Unit definitions
- gram (g)
- The gram is 1/1000 of the kilogram, the SI base unit of mass. Food labels in most of the world list grams. Source: BIPM SI Brochure, 9th ed.（1 g = 0.001 kg）.
- ounce (avoirdupois) (oz)
- The avoirdupois ounce equals exactly 28.349523125 g (1/16 of the international pound of 0.45359237 kg). It is the common ounce for food and mail. Source: NIST Handbook 44 / NIST SP 811（1 oz = 1/16 lb = 28.349523125 g）.
Frequently asked questions
How many ounces is 100 grams?
100 g = 3.5273961949580 oz. Multiply by the exact factor 1 ÷ 28.349523125 = 0.03527396194958.
How many grams is 1 ounce?
Exactly 28.349523125 g. The ounce is defined as 1/16 of the international pound, which is exactly 0.45359237 kg.
Is an ounce weight the same as a fluid ounce?
No. A weight ounce is 28.349523125 g; a US fluid ounce is 29.5735295625 mL of volume. They only coincide for water, where 1 fl oz ≈ 1.043 oz by weight.
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