Convert ounces to grams
Enter the value to convert from ounce to gram.
How to Convert Ounce to Gram
Converting ounce to gram is straightforward using our conversion calculator.
Conversion Formula
g = oz × 28.349523125Reverse conversion: Convert grams to ounces
Comparison: Ounce vs Gram
When to Use Each Unit
Ounce: Used in the United States for food portions, package sizes, and small weight measurements.
Gram: Standard for food ingredients, medication dosing, jewelry, and small object measurements worldwide.
Common Conversion Values
- 1 oz ≈ 28.35 g
- 16 oz = 1 lb
- 1 oz ≈ 0.0283 kg
- 1 oz = 28,350 mg
About Ounce
Definition: The ounce (symbol: oz) is an imperial unit equal to 1/16 of a pound or approximately 28.35 grams.
History: Originally based on the weight of precious metals. Standardized as part of the avoirdupois system.
Current Use: Used in the United States for food portions, package sizes, and small weight measurements.
Examples: Food serving: 3-8 oz, candy bar: 1-2 oz, spice container: 0.5-4 oz, gold: priced per ounce
About Gram
Definition: The gram (symbol: g) is a metric unit of mass equal to one thousandth of a kilogram, commonly used for small quantities.
History: Derived from the kilogram when the metric system was established. Became standard for food, medicine, and small item measurements.
Current Use: Standard for food ingredients, medication dosing, jewelry, and small object measurements worldwide.
Examples: Sugar packet: 4g, coin: 2-8g, smartphone: 150-250g, slice of bread: 25-30g