Instant Ounces to Grams Converter
Enter a weight in ounces (oz) and convert it to grams (g) in one click.
How to Convert Ounces to Grams
Converting ounces to grams is simple once you know the conversion factor. One ounce is equal to 28.349523125 grams. For most everyday cooking and kitchen measurements, rounding to 28.35 grams is accurate enough.
Formula: grams = ounces × 28.349523125
Example Calculations
- 1 oz = 1 × 28.349523125 = 28.35 g
- 2.5 oz = 2.5 × 28.349523125 = 70.87 g
- 8 oz = 8 × 28.349523125 = 226.80 g
Common oz to g Conversion Table
| Ounces (oz) | Grams (g) |
|---|---|
| 0.25 | 7.09 |
| 0.5 | 14.17 |
| 1 | 28.35 |
| 2 | 56.70 |
| 4 | 113.40 |
| 8 | 226.80 |
| 12 | 340.19 |
| 16 | 453.59 |
Why This Conversion Matters
An ounce-based recipe may be easy to follow in the U.S., but many digital kitchen scales and international recipes use grams. Converting correctly helps you:
- Follow recipes with better precision
- Track food portions and macros accurately
- Avoid baking errors caused by volume estimates
- Compare nutrition labels across regions
Important: Ounces vs Fluid Ounces
This calculator converts weight ounces (oz) to grams. It does not convert fluid ounces (fl oz), which measure volume. If you're measuring liquids, use a fluid conversion tool and account for the ingredient's density.
Tips for Better Kitchen Accuracy
1) Weigh ingredients directly
Place a bowl on your scale, tare to zero, then add ingredients until you reach the gram target.
2) Round with purpose
For most home recipes, 1 decimal place is fine. For baking pastries or bread, keep 1–2 decimals for small quantities.
3) Save common values
Memorize a few key numbers like 1 oz = 28.35 g and 16 oz = 453.59 g to speed up prep.
FAQ
Is 1 oz exactly 28 g?
Not exactly. 1 oz equals 28.349523125 g, usually rounded to 28.35 g.
How many grams are in 8 oz?
8 oz equals 226.796 g, commonly rounded to 226.8 g or 227 g.
How many grams are in a pound?
There are 16 ounces in a pound, so 1 lb = 453.592 g.
Final Thoughts
Use the oz to grams calculator above whenever you need a fast and reliable unit conversion. It's especially useful for baking, meal prep, and nutrition tracking where precision matters. Enter your ounce value, click convert, and you're done.