How Many Grams in an Ounce
1 ounce = 28.35 grams - Quick conversion chart for cooking and more
⚡Quick Answer
1 ounce = 28.35 grams (round to 28g for cooking). Troy ounce (precious metals) = 31.1 grams. To convert, multiply oz × 28.35.
Step-by-Step Guide
Quick Answer
1 ounce = 28.3495 grams (or simply 28.35g). For quick mental math, round to 28 grams per ounce.
Common Conversions
¼ oz = 7g | ½ oz = 14g | 1 oz = 28g | 2 oz = 57g | 4 oz = 113g | 8 oz = 227g | 16 oz (1 lb) = 454g
Convert Grams to Ounces
To convert grams to ounces, divide by 28.35. Example: 100 grams ÷ 28.35 = 3.53 ounces.
Troy Ounces (Precious Metals)
For gold, silver, and gems: 1 troy ounce = 31.1 grams. This is different from regular (avoirdupois) ounces!
Frequently Asked Questions
What's the difference between ounces and fluid ounces?
Ounces (oz) measure weight. Fluid ounces (fl oz) measure volume. They're not interchangeable! 1 fl oz of water weighs about 1 oz, but other liquids differ.
How do I convert ounces to grams for recipes?
Multiply ounces by 28.35. For example: 6 oz flour × 28.35 = 170 grams. Most kitchen scales can switch between oz and g.
Should I use grams or ounces for baking?
Grams are more precise for baking. Professional bakers prefer grams because small variations matter. A kitchen scale measuring in grams gives more consistent results.