Convert Ounces to Grams – Weight Converter
Use this converter to move seamlessly between ounce and gram with instant precision.
Interactive Converter
Convert between ounce and gram with precision rounding.
Quick reference table
| Ounce | Gram |
|---|---|
| 1 oz | 28.3495 g |
| 5 oz | 141.7476 g |
| 10 oz | 283.4952 g |
| 25 oz | 708.7381 g |
| 50 oz | 1,417.4762 g |
| 100 oz | 2,834.9523 g |
How to use this Ounce converter
- 1. Enter the value you want to convert in the first input field. You can type decimals or whole numbers.
- 2. The result updates instantly with our high-precision formulas, rounding to sensible decimal places for practical use.
- 3. Use the swap button to reverse the calculation and move from gram back to ounce.
Conversion formula explained
To convert ounce to gram, multiply the input value by the precise conversion factor derived from international measurement standards. The formula looks like this:
g = (oz × 28.3495231)
We compute the factor using the SI base unit as the truth source to guarantee accuracy even across chained conversions (e.g., meters → feet → inches).
Expert Q&A
What is the exact formula for ounce to gram?
Multiply your value in ounce by 28.3495231 to obtain the equivalent in gram.
Can I convert gram back to ounce?
Yes. Hit the swap button in the converter to reverse the calculation or multiply your gram value by 0.03527396 to switch back.
How accurate is this converter?
We anchor every conversion to internationally recognized base units. The calculator rounds to sensible decimals for readability, but core math runs at double precision.