Oz to Grams converter
1 oz = 28.349523125 g
This is the avoirdupois (weight) ounce: exactly 28.349 523 125 g. Do not confuse it with the fluid ounce, which measures volume, or the troy ounce used for gold (31.103 476 8 g).
4 oz = 113.3980925 g
Formula: g = oz × 28.349523125
4 oz in every weight unit
- milligram
- gram
- kilogram
- tonne
- pound
- stone
- short ton (US)
- long ton (UK)
How to convert ounces to grams
g = oz × 28.349523125
Example: 4 oz × 28.349523125 = 113.3980925 g.
ounce: 1 oz = 1/16 lb = 28.349 523 125 g (NIST SP 811, App. B (1959 yard & pound agreement))
gram: 1 g = 0.001 kg (BIPM SI Brochure)
Going the other way? Use the grams to oz converter.
Where the number 28.349523 comes from
Nothing is measured here. Every step below is a definition written into law or into the SI.
1 oz
Oz to Grams table
| ounces (oz) | grams (g) |
|---|---|
| 0.25 | 7.087381 |
| 0.5 | 14.17476 |
| 1 | 28.34952 |
| 1.5 | 42.52428 |
| 2 | 56.69905 |
| 3 | 85.04857 |
| 3.5 | 99.22333 |
| 4 | 113.3981 |
| 5 | 141.7476 |
| 6 | 170.0971 |
| 8 | 226.7962 |
| 10 | 283.4952 |
| 12 | 340.1943 |
| 14 | 396.8933 |
| 16 | 453.5924 |
| 20 | 566.9905 |
| 24 | 680.3886 |
| 32 | 907.1847 |
Questions
How many grams are in 1 ounce?
1 oz = 28.349523125 g.
What is the formula to convert ounces to grams?
g = oz × 28.349523125. 1 oz = 1/16 lb = 28.349 523 125 g; 1 g = 0.001 kg.
Is this conversion exact?
Yes. Both units are defined exactly (NIST SP 811, App. B (1959 yard & pound agreement); BIPM SI Brochure), so the factor is exact and results are only rounded for display.
What is 4 oz in g?
4 oz = 113.3980925 g.