⚖️ Ounce to Gram Converter
Free online tool to convert Ounce (oz) to Gram (g). Enter a value and get instant, accurate results.
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Ounce to Gram Conversion Table
| Ounce (oz) | Gram (g) |
|---|---|
| 1 oz | 28.349523 g |
| 5 oz | 141.74762 g |
| 10 oz | 283.49523 g |
| 50 oz | 1417.4762 g |
| 100 oz | 2834.9523 g |
| 500 oz | 14174.762 g |
About Ounce to Gram Conversions
Need to convert Ounce to Gram? This free online converter handles the calculation instantly. Enter your oz value and get the g result.
The conversion factor is: 1 oz = 28.349523 g. To convert manually, multiply your value by 28.349523. As a quick example: 10 oz = 283.49523 g.
This page includes a reference table of common Ounce values pre-converted to Gram, the conversion formula, and frequently asked questions. All values use internationally recognized conversion standards.
Frequently Asked Questions
What is the difference between a regular ounce and a troy ounce?
The avoirdupois ounce used for food and everyday weight is 28.3495 g. The troy ounce used for precious metals is 31.1035 g — about 10% heavier. Gold and silver prices are always quoted per troy ounce.
How many grams is half an ounce?
0.5 oz = 14.17 g. Common small measures: ¼ oz = 7.09 g, 2 oz = 56.7 g. For comparison, a standard letter's postage weight limit (1 oz) is 28.35 g.
Why do US recipes measure in ounces instead of grams?
US kitchens historically standardized on volume (cups, spoons) and avoirdupois weight (ounces, pounds), and recipe publishing followed. Metric countries bake by grams on a scale, which is more accurate for dry ingredients — many modern US baking books now print both.
How accurate is rounding 1 ounce to 28 grams?
Using 28 instead of 28.3495 understates weight by 1.2% — fine for cooking, noticeable for postage or nutrition math over larger quantities. Sixteen ounces rounded at 28 g gives 448 g versus the true 453.6 g per pound.
Related Weight Conversions
Reference Charts
Pounds to Kilograms Conversion Chart
Quick-reference chart converting pounds (lbs) to kilograms (kg). Covers 1–500 lb at common intervals with the exact conversion formula.
Kilograms to Pounds Conversion Chart
Quick-reference chart converting kilograms (kg) to pounds (lbs). Covers 1–250 kg at common intervals with the exact conversion formula.
Grams to Ounces Conversion Chart
Quick-reference chart converting grams (g) to ounces (oz). Covers 1 g to 1,000 g — essential for cooking, baking, food labels, and recipe adaptation.
Ounces to Grams Conversion Chart
Quick-reference chart converting ounces (oz) to grams (g). Covers ½ oz to 64 oz — ideal for cooking, food packaging, and converting US recipes to metric.
Related Guides
Kilograms vs Pounds Explained
Kilograms and pounds both measure mass but belong to different systems. Learn the key differences, which countries use each unit, and the exact conversion factor.
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How to Convert Kilograms to Pounds
To convert kilograms to pounds, multiply by 2.20462. Learn the formula, a mental shortcut, a full reference table, and worked examples for common weights.
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All conversion results are provided for general informational purposes only. Our formulas use internationally recognized conversion factors; however, rounding may affect precision. Do not rely on these results for professional, medical, legal, or engineering decisions without independent verification. Read our full disclaimer.