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Convert ounces to grams
Instant, accurate oz → g conversion with a live converter, table and formula.
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1 ounce = 28.3495 grams
1 gram = 0.035274 ounces
ounces to grams table
| ounces (oz) | grams (g) |
|---|---|
| 0.5 | 14.1748 |
| 1 | 28.3495 |
| 2 | 56.699 |
| 5 | 141.748 |
| 10 | 283.495 |
| 20 | 566.99 |
| 50 | 1417.48 |
| 100 | 2834.95 |
| 500 | 14174.76 |
| 1000 | 28349.52 |
Formula
grams = ounces × 28.3495.
Example
10 ounces = 283.495 grams.
What is a ounce?
An ounce (oz) is 1/16 of a pound (28.35 g), used for food and mail.
What is a gram?
A gram (g) is one-thousandth of a kilogram; a paperclip weighs about 1 g.
Real-world reference points
A kilogram is a liter of water; a pound is a loaf of bread; an ounce is a slice of it.
| Reference | ounces | grams |
|---|---|---|
| Smartphone | 6.35 oz | 180 g |
| Liter of water | 35.27 oz | 1,000 g |
| Newborn baby (average) | 116 oz | 3,300 g |
| Airline checked-bag limit (common) | 811 oz | 23,000 g |
| Cement bag (standard) | 1,764 oz | 50,000 g |
Mistakes to avoid with mass conversions
- Confusing weight ounces with fluid ounces — one measures mass, the other volume.
- Reading 'stone and pounds' (11 st 6 lb) as decimal stone (11.6 st) — they differ.
- Comparing net vs gross weight when shipping: the box and padding count toward limits.
Frequently asked questions
How many grams in a ounces?+
1 ounce = 28.3495 grams.
How do I convert ounces to grams?+
Enter the value in the ounces box above and the grams value appears instantly. You can also type in the grams box to convert the other way.
Is this oz to g converter free?+
Yes — it is 100% free, needs no sign-up, and runs entirely in your browser.