Convert Grams to Ounces
1 gram (g) equals 0.03527396195 ounces (oz).
1 g = 0.03527396195 oz
Type in either box. Scientific notation works: 1.5e-3.
Converting a list? Use the bulk gram to ounce converter to paste a column from Excel.
How to Convert Gram to Ounce
- 1 g = 0.03527396195 oz
- 1 oz = 28.34952313 g
- Example: convert 100 g to oz: 100 g = 100 × 0.03527396195 oz = 3.527396195 oz
Reference conditions. oz: Avoirdupois system: 1 lb = 16 oz = 7000 grains = 0.45359237 kg exactly (1959 agreement).
Formula
oz = g × 0.03527396194958
or oz = g ÷ 28.349523125
Derivation from SI units:
- 1 g = 10⁻³ kg
- 1 oz = 1/16 lb = 28.349523125 g (exact)
- 1 g = 0.001 kg ÷ 0.028349523125 kg per oz = 0.03527396194958 oz
Both units are defined exactly, so the factor is exact. Gram definition: gram; Ounce definition: ounce.
Worked examples
- A 100 g chocolate bar weighs 3.527396195 oz.
100 g × 0.03527396195 = 3.527396195 oz - A 250 g pack of butter is 8.818490487 oz.
250 g × 0.03527396195 = 8.818490487 oz
Gram to Ounce conversion table
| Grams (g) | Ounces (oz) |
|---|---|
| 0.1 g | 0.003527396195 oz |
| 0.5 g | 0.01763698097 oz |
| 1 g | 0.03527396195 oz |
| 2 g | 0.0705479239 oz |
| 5 g | 0.1763698097 oz |
| 10 g | 0.3527396195 oz |
| 14 g | 0.4938354673 oz |
| 20 g | 0.705479239 oz |
| 25 g | 0.8818490487 oz |
| 28.35 g | 1.000016821 oz |
| 30 g | 1.058218858 oz |
| 50 g | 1.763698097 oz |
| 75 g | 2.645547146 oz |
| 100 g | 3.527396195 oz |
| 113 g | 3.9859577 oz |
| 125 g | 4.409245244 oz |
| 150 g | 5.291094292 oz |
| 200 g | 7.05479239 oz |
| 250 g | 8.818490487 oz |
| 300 g | 10.58218858 oz |
| 454 g | 16.01437873 oz |
| 500 g | 17.63698097 oz |
| 750 g | 26.45547146 oz |
| 1000 g | 35.27396195 oz |
Where it's used
Recipes, food labels and postage in grams are converted to ounces for US cooks and shippers. 1 oz is exactly 28.349523125 g.
Gram to other weight and mass units
| Conversion | 1 g equals |
|---|---|
| gram to kilogram | 0.001 kg |
| gram to milligram | 1000 mg |
| gram to microgram | 1000000 µg |
| gram to metric ton | 0.000001 t |
| gram to pound | 0.002204622622 lb |
| gram to ounce | 0.03527396195 oz |
| gram to stone | 0.0001574730444 st |
| gram to short ton | 0.000001102311311 ton (US) |
| gram to long ton | 9.842065276 × 10⁻⁷ ton (UK) |
| gram to grain | 15.43235835 gr |
| gram to troy ounce | 0.03215074657 oz t |
| gram to carat | 5 ct |
Frequently asked questions
How many ounces is 100 grams?
100 g = 3.527 oz.
How many ounces are in 1 gram?
1 g = 0.03527396195 oz.
How do I convert grams to ounces?
Multiply the value in g by 0.03527396195, or divide it by 28.34952313. For example, 100 g × 0.03527396195 = 3.527396195 oz.
Is the g to oz conversion exact?
Yes. Both units are defined exactly, so the ratio is exact; its decimal form does not terminate and is shown here to 10 significant figures (more with the precision selector).
Sources
- The International System of Units (SI), 9th edition (SI Brochure), Bureau International des Poids et Mesures , Table 7, SI prefixes.
- Guide for the Use of the International System of Units (SI), NIST Special Publication 811, 2008 Edition, National Institute of Standards and Technology , Appendix B.8, "ounce (avoirdupois) (oz)".
Last reviewed: . Factors are stored exactly and computed with 50-digit decimal arithmetic. See how we verify conversion factors.
Cite this page
APA
Scientific Converters. (2026, October 15). Convert Grams to Ounces. Retrieved October 17, 2026, from https://scientificconverters.com/mass/grams-to-ounces/
IEEE
Scientific Converters, "Convert Grams to Ounces," scientificconverters.com. Accessed: Oct. 17, 2026. [Online]. Available: https://scientificconverters.com/mass/grams-to-ounces/