Ounces to Grams Converter
Convert ounces to grams and vice versa instantly. Perfect for cooking, baking, shipping, and everyday weight conversions. Fast, accurate, and free to use.
What Is an Ounce?
The ounce (oz) is a unit of mass used in the United States and other countries that use the imperial system. The avoirdupois ounce (the most common type) is defined as exactly 28.349523125 grams. There are 16 ounces in one pound (lb).
The gram (g) is the base unit of mass in the International System of Units (SI). It is defined as one-thousandth of a kilogram. The gram is the standard unit for most weight measurements in cooking, baking, science, and everyday use worldwide.
How Does the Ounces to Grams Converter Work?
The calculator uses the exact conversion factors:
Ounces to Grams: g = oz × 28.349523125
Grams to Ounces: oz = g × 0.03527396195
Simply select the conversion direction, enter a value, and the calculator will instantly compute the result. You can choose between standard precision (28.3495) and high precision (28.349523125) in the advanced options.
Why Use This Ounces to Grams Converter?
- Bidirectional: Convert oz to g and g to oz.
- High Precision: Uses the exact conversion factor for accurate results.
- Flexible Precision: Choose your preferred decimal places.
- Reference Table: Quick reference for common conversions.
- Free & Private: No registration, no data storage.
Common Ounce to Gram Conversions for Cooking
- 1 oz = 28.35 g — A standard ounce.
- 4 oz = 113.40 g — A quarter pound.
- 8 oz = 226.80 g — Half a pound.
- 16 oz = 453.59 g — One pound.
- 32 oz = 907.18 g — Two pounds.
❓ Ounces to Grams Converter FAQ
How many grams are in an ounce?
Exactly 28.349523125 grams. For everyday use, 28.35 grams is sufficient. The calculator uses the exact conversion factor.
How many ounces are in a gram?
Exactly 0.03527396195 ounces. This is the exact definition of the gram in terms of ounces.
How do I convert ounces to grams?
Multiply the number of ounces by 28.349523125. For example: 5 oz × 28.349523125 = 141.7476 g. The calculator does this for you automatically.
How do I convert grams to ounces?
Multiply the number of grams by 0.03527396195. For example: 100 g × 0.03527396195 = 3.5274 oz. The calculator handles this conversion instantly.
What is the difference between an ounce and a fluid ounce?
An ounce (oz) is a unit of weight or mass. A fluid ounce (fl oz) is a unit of volume. They are not interchangeable — 1 oz of water weighs about 1.04 oz, but this varies by substance.
What is the abbreviation for ounces?
Ounces are abbreviated as "oz". The plural is often written as "oz" as well.
What is the abbreviation for grams?
Grams are abbreviated as "g".
How many ounces are in a pound?
There are 16 ounces (oz) in one pound (lb). To convert pounds to ounces, multiply by 16.
How many grams are in a pound?
One pound is equal to 453.59237 grams. This is derived from 16 oz × 28.349523125 g/oz.
What is the difference between an avoirdupois ounce and a troy ounce?
An avoirdupois ounce (28.3495 g) is used for most everyday weight measurements. A troy ounce (31.1035 g) is used for precious metals like gold and silver. This converter uses the avoirdupois ounce.
How do I convert ounces to grams for baking?
Multiply your ingredient weight in ounces by 28.35. For example, 8 oz of flour = 226.8 g. This converter gives you the exact conversion for any baking recipe.
What is the formula for converting oz to g?
g = oz × 28.349523125. The calculator uses this exact formula for accurate conversions.
What is the formula for converting g to oz?
oz = g × 0.03527396195. This is the exact conversion factor used by the calculator.
How do I convert 8 oz to grams?
8 oz × 28.349523125 = 226.796185 g. The calculator gives you the result instantly with your chosen precision.
How do I convert 100 grams to ounces?
100 g × 0.03527396195 = 3.527396195 oz. Use the calculator for instant results.
Can I use this calculator for shipping weights?
Yes. This calculator is perfect for shipping and logistics, where weights are often specified in both ounces and grams.
Is this calculator accurate?
Yes. The calculator uses the exact conversion factors (28.349523125 for oz to g and 0.03527396195 for g to oz), providing results with high precision. You can adjust the decimal precision in the advanced options.