When to use this converter
Convert oz to g with an explicit conversion factor. Uses avoirdupois ounces, with 16 ounces per international pound.
Explore the mass & weight units calculators for other questions in this topic. For a related calculation, use the Pounds to Kilograms Converter: Convert lb to kg with an explicit conversion factor.
PUTTING IT INTO PRACTICE
Ounces to Grams: a worked example
The values below are an illustrative example, not a recommendation. Replace them with measurements or assumptions that match your question.
| Input | Example value |
|---|---|
| Value (oz) | 8 |
| Result | 226.796185 g |
- Check the input labels and enter the example values above.
- Apply the relationship: grams = ounces × 28.349523125.
- The result is 226.796185 g, rounded for display.
How to interpret your result
Uses avoirdupois ounces, with 16 ounces per international pound.
These tools use mass-unit definitions. Avoirdupois and troy ounces differ. Physical weight as a force additionally depends on gravitational acceleration and is not the same concept as mass.
Frequently asked questions
Does this use troy ounces?
No. The ounce tools specify avoirdupois ounces, the everyday 16-to-a-pound convention.
How do I use the ounces to grams converter?
Enter value (oz). The result updates automatically. Use the units shown beside each input; the example values illustrate the method.
Which formula does this calculator use?
grams = ounces × 28.349523125.
What should I check before using the result?
Uses avoirdupois ounces, with 16 ounces per international pound.
How are results rounded?
Scalar numbers display up to six decimal places, with scientific notation for very large or small values. Text, fraction, date and schedule outputs use the format described on the tool. Intermediate calculations use JavaScript floating-point arithmetic. Keep sensible precision for your measurements.
Further reading
For background on this topic, see NIST: SI conversion factors ↗. This is a topic reference, not an external review or endorsement of this tool.
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