1 Ounces to Grams
1 oz ≈ 28.35 g
1 ounce is approximately 28.35 grams.
How to convert 1 oz to g
Use the formula g = oz × 28.349523125:
g = 1 × 28.349523125g = 28.349523
So 1 oz = 28.349523 g, or about 28.35 g rounded.
Rounded values and quick estimate
- Rounded to a whole number: 28 g
- Rounded to one decimal place: 28.3 g
- Conversion factor: 1 ounce = 28.35 grams
Quick mental estimate: multiply by 28. For 1 oz that gives about 28 g — off by 0.3495 g (1.2%). Use the exact formula when precision matters.
1 Ounces in other units
- Grams
- 28.35 g
- Kilograms
- 0.0283 kg
- Pounds
- 0.0625 lb
- Stone
- 0.004464 st
- Milligrams
- 28349.52 mg
- Micrograms
- 28349523.13 mcg
- US tons
- 0.000031 tons
- Carats
- 141.75 ct
- Troy ounces
- 0.9115 ozt
- Tolas
- 2.43 tola
- Grains
- 437.5 gr
- Metric tons
- 0.000028 t
1 oz and nearby values
About ounces and grams
The avoirdupois ounce is exactly 28.349523125 grams; 16 ounces make a pound. (Not to be confused with the fluid ounce, a unit of volume.)
A gram is one thousandth of a kilogram. It is the standard metric unit for food, ingredients and small weights.
Related conversions
Frequently asked questions
What is 1 Ounces in Grams?
1 ounce is about 28.35 grams (1 oz ≈ 28.35 g).
How do you convert 1 oz to g?
Apply g = oz × 28.349523125: g = 1 × 28.349523125, g = 28.349523.
How many ounces is 28.35 g?
28.35 g is about 1 ounces.