To convert grams to ounces, divide by 28.35, or multiply by 0.035274. So 100 g is 3.53 oz, 250 g is 8.82 oz and 500 g is 17.64 oz. That is the everyday ounce for food and parcels. Gold and silver use the heavier troy ounce, 31.10 g.
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How to Use the Grams to Ounces Converter
- Type a weight in grams.
- Read the answer in ounces, plus pounds, kilograms and troy ounces.
- Tap oz to g to convert ounces to grams. The real weight stays the same.
| Result | What it tells you |
|---|---|
| Converted weight | Your weight in ounces (or grams). |
| Pounds, pounds and ounces | For US recipes and labels. |
| Kilograms | The metric total. |
| Troy ounces | Only for gold, silver and other precious metals. |
What Is a Gram and an Ounce?
A gram (g) is the metric unit of weight used on food labels and kitchen scales around the world. A kilogram is 1,000 grams.
An ounce (oz) is the US customary unit, 1/16 of a pound. One ounce is exactly 28.349523125 grams, so it takes about 28 and a third grams to make an ounce.
How Does the G to Oz Formula Work?
Grams to ounces
oz = g / 28.3495Same, by multiplying
oz = g x 0.035274Ounces to grams
g = oz x 28.3495Troy ounces (metals)
troy oz = g / 31.1035Quick estimate: divide grams by 28. 280 g is about 10 oz (exact: 9.88 oz). For kitchen and postage tips, read ounces to grams for cooking and shipping.
Grams to Ounces Examples
A 200 g steak
200 / 28.3495 = 7.05 ozA 454 g (1 lb) pack
454 / 28.3495 = 16.01 ozA 1 oz gold coin in grams
1 x 31.1035 = 31.10 gGrams to Ounces Conversion Table
| Grams | Ounces |
|---|---|
| 1 g | 0.035 oz |
| 5 g | 0.176 oz |
| 10 g | 0.353 oz |
| 20 g | 0.705 oz |
| 25 g | 0.882 oz |
| 28 g | 1 oz |
| 30 g | 1.058 oz |
| 50 g | 1.764 oz |
| 75 g | 2.646 oz |
| 100 g | 3.527 oz |
| 125 g | 4.409 oz |
| 150 g | 5.291 oz |
| 200 g | 7.055 oz |
| 250 g | 8.818 oz |
| 300 g | 10.582 oz |
| 400 g | 14.11 oz |
| 450 g | 15.873 oz |
| 454 g | 16.014 oz |
| 500 g | 17.637 oz |
| 750 g | 26.455 oz |
| 1,000 g | 35.274 oz |
Common Cooking Weights in Ounces
| Grams | Ounces | Typical use |
|---|---|---|
| 50 g | 1.76 | Small portion, pat of butter |
| 100 g | 3.53 | Nutrition label serving |
| 125 g | 4.41 | Yogurt pot, small cheese |
| 150 g | 5.29 | Chicken breast |
| 250 g | 8.82 | Block of butter (EU) |
| 400 g | 14.11 | Standard can |
| 500 g | 17.64 | Half a kilo pack |
| 1,000 g | 35.27 | Bag of flour or sugar (1 kg) |
Baking Ingredients: Grams to Ounces
Weights for one US cup. They are typical values; your flour and scooping style change them slightly.
| Ingredient (1 cup) | Grams | Ounces |
|---|---|---|
| All-purpose flour | 120 | 4.23 |
| Granulated sugar | 200 | 7.05 |
| Brown sugar, packed | 220 | 7.76 |
| Powdered sugar | 120 | 4.23 |
| Butter (2 sticks) | 227 | 8.00 |
| Cocoa powder | 85 | 3.00 |
| Rolled oats | 90 | 3.17 |
| Honey | 340 | 11.99 |
| Milk | 240 | 8.47 |
Deli, Cheese and Meat Portions
| Grams | Ounces | Context |
|---|---|---|
| 30 g | 1.06 | Single serving of sliced meat |
| 85 g | 3.00 | Standard 3 oz meat serving |
| 113 g | 4.00 | Quarter-pound burger |
| 200 g | 7.05 | Deli order for two |
| 250 g | 8.82 | Small cheese block |
Avoirdupois vs Troy Ounce
Food, parcels and people use the avoirdupois ounce, 28.35 g. Gold, silver and platinum are priced in the troy ounce, 31.10 g, which is about 10 percent heavier.
| Grams | Everyday oz | Troy oz |
|---|---|---|
| 1 | 0.0353 | 0.0322 |
| 10 | 0.353 | 0.322 |
| 28.35 | 1.000 | 0.911 |
| 31.10 | 1.097 | 1.000 |
| 100 | 3.527 | 3.215 |
What Changes a Grams to Ounces Conversion
Which Ounce
Use troy ounces only for precious metals.
Volume vs Weight
Grams measure weight. A cup measures volume. 1 cup of flour and 1 cup of honey weigh very different amounts.
Scale Precision
Many kitchen scales round to 1 g or 0.1 oz, so a 5 g amount may show as 0.2 oz.
When to Use a Grams to Ounces Converter
Baking from European Recipes
Turn gram amounts into ounces for a US scale.
Nutrition Labels
Compare 100 g servings with US ounce servings.
Shipping Small Items
Check letter and parcel limits set in ounces.
Common Mistakes
1. Multiplying Instead of Dividing
Grams to ounces gives a smaller number. 100 g is 3.5 oz, not 2,835 oz.
2. Using Troy Ounces for Food
A troy ounce is 31.1 g; food uses 28.35 g.
3. Treating Grams as ML
Only water is about 1 g per mL.
How to Weigh Ingredients Accurately
Put the bowl on the scale first and press tare (zero), so you weigh only the food. Switch the scale to grams if you can, because 1 g steps are finer than 0.1 oz steps. For small amounts like yeast or salt, a pocket scale that reads to 0.1 g is more accurate than a kitchen scale.
Weigh flour instead of using cups when a recipe gives grams. A cup of flour can weigh anywhere from 110 g to 150 g depending on how you scoop it, which is enough to change a cake. Grams remove that guesswork.
Accuracy and Limitations
One ounce is exactly 28.349523125 g by definition, so the math is exact. Only the display is rounded.
What it converts accurately
- Grams to ounces and back
- Pounds and kilograms
- Troy ounces for metals
What it does not cover
- Cup and spoon volumes
- Ingredient density
- Carat weights for gems
How We Convert Grams to Ounces
Frequently Asked Questions About Grams to Ounces
How do I convert grams to ounces?
Divide the grams by 28.35. For example, 200 g / 28.35 = 7.05 oz.
How many ounces are in 100 grams?
100 grams is 3.53 ounces.
How many grams are in an ounce?
One ounce is 28.35 grams.
How many ounces are in 250 grams?
250 grams is 8.82 ounces.
How many ounces is 500 grams?
500 grams is 17.64 ounces, a little over 1 pound.
Is 1 oz 28 or 30 grams?
One ounce is 28.35 grams. Some labels round to 28 or 30 g.
What is a troy ounce in grams?
A troy ounce is 31.10 grams. It is used only for precious metals.
How many grams is a pound?
One pound is 453.59 grams.
Is 100 g the same as 4 oz?
Not quite. 100 g is 3.53 oz. 4 oz is 113.4 g.
Sources
- Unit conversion (US National Institute of Standards and Technology).
- NIST Handbook 44 (NIST; US customary unit definitions).
- NIST Guide to the SI, Appendix B: conversion factors (NIST Special Publication 811).
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