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Grams are the metric unit of weight; ounces the imperial one. Recipes, portions and postage cross between them, so this converter turns grams into ounces and back. (This is the avoirdupois ounce of weight, not the fluid ounce of volume.)
Grams to Ounces Converter: step-by-step worked example
How many ounces is a 250 g bag of coffee?
- Value
- 250
- Direction
- Grams → Ounces
- 1
Conversion factor (definition)
1 ounce (avoirdupois) = 1/16 lb = 28.349523125 g (exact, 1959 international yard and pound)
1 oz = 28.349523125 g = 28.3495 g
- 2
Inverse factor
1 g = 1 ÷ 28.349523125 oz
1 ÷ 28.349523125 = 0.0353 oz
- 3
Conversion
oz → g: × 28.349523125 · g → oz: ÷ 28.349523125
250 g ÷ 28.349523125 = 8.8185 oz
- 4
Check (reverse direction)
Convert the result back with the inverse operation
8.8185 oz × 28.349523125 = 250.0003 g
- oz8.8185
- g250
- lb0.5512
Good to know: Gold and silver are priced per troy ounce (31.1035 g); this converter uses the avoirdupois ounce (28.35 g) used for food and postage.
Grams to Ounces Converter — how it works
The conversion factor
1 ounce = 28.349523125 grams (exact), so 1 gram = 0.035274 ounces.
| To convert | Do this |
|---|---|
| g → oz | divide by 28.3495 |
| oz → g | multiply by 28.3495 |
Common values
| Grams | Ounces |
|---|---|
| 10 g | 0.35 oz |
| 100 g | 3.53 oz |
| 250 g | 8.82 oz |
| 500 g | 17.64 oz |
Worked example
A 250 g portion is 250 ÷ 28.3495 = 8.82 ounces. A 4 oz burger patty is 4 × 28.3495 = 113.4 g.
Grams to ounces table
| Grams | Ounces (oz) |
|---|---|
| 1 | 0.035 |
| 10 | 0.353 |
| 25 | 0.882 |
| 50 | 1.764 |
| 100 | 3.527 |
| 250 | 8.819 |
| 500 | 17.637 |
| 1,000 | 35.274 |
Ounces to grams table
| Ounces (oz) | Grams |
|---|---|
| 0.5 | 14.17 |
| 1 | 28.35 |
| 2 | 56.7 |
| 4 | 113.4 |
| 8 | 226.8 |
| 16 | 453.59 |
| 32 | 907.18 |
Frequently asked questions
How many ounces is 1 gram?+
One gram is 0.035274 ounces. Divide grams by 28.3495 to get ounces.
How do I convert grams to ounces?+
Divide the gram value by 28.3495. For example, 200 g ÷ 28.3495 = 7.05 ounces.
Is this the weight ounce or the fluid ounce?+
The weight (avoirdupois) ounce, 28.35 g. That’s different from the fluid ounce, which measures liquid volume (about 29.57 ml) — use a volume converter for fluids.
How do I convert ounces back to grams?+
Multiply the ounce value by 28.3495. So 8 oz = 226.8 g.
How many grams in an ounce?+
28.35 grams (28.349523125 g exactly). Sixteen ounces make a pound, which is 453.6 g.
About this page
- Publisher:
- Kalkoro — Teknolojig Bilişim Teknolojileri A.Ş., İstanbul
- Written by:
- Ahmet Tur — Editor (Math, date & time, unit conversion, physics & chemistry, everyday tools)
- Reviewed by:
- Kübra Yıldız — Editor
Parameters come from official sources; the last update date is shown at the bottom of the page.
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How we calculate and our accuracy policy →
Results are for information only. For official matters the relevant authority's calculation prevails.
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