Ounces to Grams Converter
Convert ounces to grams in your browser, with a full reference table and the formula behind it. Free, instant, no sign-up.
How to convert ounces to grams
grams = ounces × 28.3495
One ounce is 28.3495 grams, so any conversion is a single multiplication. To go the other way, divide by 28.3495 instead. The converter above is already set to ounces and grams, so you can type any value and read the answer straight away.
Ounces to Grams conversion table
Common values, worked out in advance:
| Ounces (oz) | Grams (g) |
|---|---|
| 1 oz | 28.3495 g |
| 2 oz | 56.699 g |
| 3 oz | 85.0486 g |
| 5 oz | 141.7476 g |
| 10 oz | 283.4952 g |
| 15 oz | 425.2428 g |
| 20 oz | 566.9905 g |
| 25 oz | 708.7381 g |
| 50 oz | 1,417.48 g |
| 70 oz | 1,984.47 g |
| 100 oz | 2,834.95 g |
The quick mental version
For a rough answer without a calculator, remember that 1 g is about 0.035274 oz. That is usually close enough for shopping, travel and DIY, and the converter above gives you the exact figure when it matters.
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Frequently asked questions
How many grams are in 1 oz?
One oz is 28.3495 g. The table above covers the values people look up most often.
What is the formula to convert ounces to grams?
grams = ounces × 28.3495. One ounce is 28.3495 grams, so any conversion is a single multiplication. To go the other way, divide by 28.3495 instead.
Is this ounces to grams converter accurate?
Yes. It uses the exact internationally defined conversion factors and calculates in your browser, so nothing is rounded until the result is displayed.
Can I convert grams back to ounces here?
Yes. Use the swap button in the converter to reverse the direction, or pick any other pair of units from the two dropdowns.