Ounces vs Grams
Compare ounces and grams side by side, convert in both directions, and see the exact factor - Weight units.
= 28.3495 g
= 0.035274 oz
1 ounce = 28.3495 g · 1 gram = 0.035274 oz
The Grams is the smaller unit - the same amount has a bigger number when measured in it.
| Ounces (oz) | Grams (g) | Grams (g) | Ounces (oz) |
|---|---|---|---|
| 1 | 28.3495 | 1 | 0.035274 |
| 2 | 56.699 | 2 | 0.070548 |
| 5 | 141.7 | 5 | 0.17637 |
| 10 | 283.5 | 10 | 0.35274 |
| 25 | 708.7 | 25 | 0.881849 |
| 50 | 1,417 | 50 | 1.7637 |
| 100 | 2,835 | 100 | 3.5274 |
| 250 | 7,087 | 250 | 8.8185 |
| 500 | 14,175 | 500 | 17.637 |
| 1000 | 28,350 | 1000 | 35.274 |
Quick Answer
1 ounce (oz) = 28.3495 grams (g), and 1 gram = 0.035274 ounces. Ounces is the larger unit, so the same physical amount needs a bigger number when measured in Grams. Convert either way with the live tool below or the dedicated converter pages.
Key Facts
- 1 ounce (oz) = 28.3495 g
- 1 gram (g) = 0.035274 oz
- Conversion is exact multiplication - no rounding in the factor
- Table below covers common values in both directions
- Dedicated converters: oz→g and g→oz pages with live tools
Frequently Asked Questions
Which is bigger, a ounce or a gram?
One ounce equals 28.3495 g, and one gram equals 0.035274 oz. The unit with the larger factor is the physically bigger one.
How do I convert ounces to grams?
Multiply by the factor: value in g = value in oz × 28.3495. Example: 5 oz = 141.7 g. Reverse: divide by 28.3495 (or multiply by 0.035274).
Why are ounces and grams different?
They are two different units measuring the same physical quantity. A ounce is defined as exactly 28.3495 g, and a gram as exactly 0.035274 oz. Because the units differ in size, the number you write down for the same amount depends on which unit you use - the conversion factor itself is exact, with no rounding.
Is there a quick way to convert without a calculator?
Memorize the 1-to factor: 1 ounce ≈ 28.3495 g. Then multiply. For 2 oz that's ≈ 56.699 g.
Frequently Asked Questions
One ounce equals 28.3495 g, and one gram equals 0.035274 oz. The unit with the larger factor is the physically bigger one.
Multiply by the factor: value in g = value in oz × 28.3495. Example: 5 oz = 141.7 g. Reverse: divide by 28.3495 (or multiply by 0.035274).
They are two different units measuring the same physical quantity. A ounce is defined as exactly 28.3495 g, and a gram as exactly 0.035274 oz. Because the units differ in size, the number you write down for the same amount depends on which unit you use - the conversion factor itself is exact, with no rounding.
Memorize the 1-to factor: 1 ounce ≈ 28.3495 g. Then multiply. For 2 oz that's ≈ 56.699 g.