Ounces to Grams
Convert ounces to grams instantly — multiply the ounces by 28.35. Type in either box to convert both ways. Handy for cooking, mail and small parcels when a weight is in ounces but you need grams.
Ounces to Grams conversion table
| Ounces (oz) | Grams (g) |
|---|---|
| 0.5 oz | 14.1748 g |
| 1 oz | 28.3495 g |
| 2 oz | 56.699 g |
| 3 oz | 85.0486 g |
| 4 oz | 113.398 g |
| 8 oz | 226.796 g |
| 12 oz | 340.194 g |
| 16 oz | 453.592 g |
| 32 oz | 907.185 g |
How to convert ounces to grams
To convert ounces to grams, multiply the ounces by 28.35. For example, 1 oz equals 28.3495 g. The calculator above runs the exact factor at full precision and updates as you type, and the swap button flips the direction so you can go from grams back to ounces just as quickly.
Frequently asked questions
How do you convert ounces to grams?
To convert ounces to grams, multiply the ounces by 28.35. For example, 1 oz is 28.3495 g. The calculator above does this for you the moment you type — enter a value on the left and the grams result appears on the right, and you can type in either box to convert in the opposite direction. Every result uses the exact internationally defined factor, not a rounded shortcut, so the numbers are accurate enough for schoolwork, cooking, travel and engineering alike.
How many grams are in 1 oz?
There are 28.3495 g in 1 oz, and ounces scale to grams in that same fixed ratio at any size. The conversion table on this page lists the most common values — 0.5 oz is 14.1748 g, and the table continues up to 32 oz = 907.185 g — so you can read off everyday amounts at a glance without typing anything. Values that fall between those rows convert just as exactly, because the calculator carries the full factor rather than the rounded figures printed here.
Is this oz to g converter accurate?
Yes — this oz to g converter is accurate. It uses the precise, internationally agreed conversion factor rather than a rounded approximation, and the math runs at full double precision in your browser, with results shown to six significant figures. Handy for cooking, mail and small parcels when a weight is in ounces but you need grams.
Is the ounces to grams converter free?
Yes — the ounces to grams converter is completely free, with no sign-up and no limit on how many conversions you run. Every calculation happens locally in your browser, so nothing you type is uploaded or stored. For other units, the full LK Forge unit converter covers length, weight, temperature, volume and speed in one place.
More conversions
Grams → OuncesFluid Ounces → MillilitersKilograms → StoneStone → KilogramsFeet → InchesInches → Feet All units →
Reference: full unit conversion chart · metric vs imperial, explained