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Convert ounce to gram
Convert ounce to gram with a verified formula, worked example, conversion table, precision guidance, and reverse conversion.
ounce to gram
ounce to gram
Quick answer
1 ounce = 28.3494925441 gram.
Formula
gram = ounce × 28.34949254408346090604978171
Precision
The stored factor is used at full decimal precision; round only the displayed result to the precision required by the task.
How to convert ounce to gram
- Enter a value in ounce.
- Scale the source number by 28.34949254408346090604978171 to express the same quantity in gram.
- Round the displayed gram value only when needed.
About these units
ounce is a unit used in mass conversions. Mass measures the quantity of matter and an object's resistance to acceleration. Its recorded symbol is oz. gram is a unit used in mass conversions. Mass measures the quantity of matter and an object's resistance to acceleration. Its recorded symbol is g.
Explore related conversions
ounce to gram conversion table
| ounce | gram |
|---|---|
| 0 ounce | 0e-26 gram |
| 1 ounce | 28.3494925441 gram |
| 5 ounce | 141.747462720 gram |
| 10 ounce | 283.494925441 gram |
| 25 ounce | 708.737313602 gram |
| 100 ounce | 2834.94925441 gram |
Frequently asked questions
How do I convert from ounce to gram?
Scale the source number by 28.34949254408346090604978171 to express the same quantity in gram.
What formula does CalculatorHQ use for ounce to gram?
gram = ounce × 28.34949254408346090604978171
How should I round the result?
The stored factor is used at full decimal precision; round only the displayed result to the precision required by the task.
Can I convert gram back to ounce?
Yes. Use the linked reverse conversion, whose formula is validated against this pair with round-trip tests.