Weight Converter
Conversion Formula
Grams to Ounces Formula
To convert between grams and ounces, use these formulas:
Ounces to Grams Formula
Enter a value in either field above to see the conversion result in the other field.
Common Conversions
| Grams | Ounces |
|---|---|
| 1 g | 0.035 oz |
| 10 g | 0.353 oz |
| 28.35 g | 1 oz |
| 100 g | 3.527 oz |
| 500 g | 17.637 oz |
| 1000 g | 35.274 oz |
About Weight Units
The gram (g) is a metric unit of weight defined as one thousandth of a kilogram. It's widely used in scientific contexts and in most countries worldwide.
The ounce (oz) is a unit of weight used primarily in the United States, United Kingdom, and other countries using the imperial system. One ounce equals approximately 28.35 grams.
Practical Applications
Converting between grams and ounces is essential for:
- Following international recipes
- Measuring ingredients accurately
- Scientific experiments and measurements
- Calculating postage for international shipping
- Determining medication dosages
Frequently Asked Questions
How many grams are in an ounce?
One ounce equals approximately 28.35 grams. More precisely, 1 oz = 28.34952 grams. This is the standard conversion used for most weight measurements.
How do I convert 100 grams to ounces?
To convert 100 grams to ounces, multiply by 0.03527396. So 100g = 3.527 oz. You can use our calculator above for instant results.
Is this converter accurate for cooking?
Yes! Our converter uses the official conversion factor (1 oz = 28.34952g) and is accurate to 3 decimal places, making it perfect for cooking, baking, and precise recipe measurements.
What's the difference between ounces and fluid ounces?
Ounces (oz) measure weight/mass, while fluid ounces (fl oz) measure volume. This converter handles weight ounces only. For liquids, density matters in weight-to-volume conversions.
Can I use this for gold or precious metals?
Yes, but note that precious metals are often measured in troy ounces (31.1g), not regular ounces (28.35g). For gold calculations, consider using a dedicated precious metals converter.
About Our Conversion Standards
Our weight conversions are based on the International System of Units (SI) and standards published by the National Institute of Standards and Technology (NIST). All conversion factors are accurate to at least 6 decimal places, ensuring precision for both everyday and professional use.
Data Sources: NIST Handbook 44, International Bureau of Weights and Measures (BIPM), ISO 80000-3:2006
Last Verified: October 2025