How to convert grams to ounces
One gram equals 0.035274 ounces, so multiply the number of grams by 0.035274:
oz = g × 0.035274
g = oz ÷ 0.035274 (1 oz = 28.3495 g)
Example: 28.35 g → 28.35 × 0.035274 = 1 oz.
Going the other way, divide by 0.035274, or multiply by 28.3495; the ounces to grams converter does it for you.
Everyday values
| Grams | Ounces | For example |
|---|---|---|
| 28.35 g | 1 oz | one ounce |
| 100 g | 3.5274 oz | a typical nutrition-label serving |
| 125 g | 4.4093 oz | a pot of yoghurt |
| 250 g | 8.8185 oz | a pack of butter (EU) |
| 454 g | 16.0144 oz | one pound |
| 500 g | 17.637 oz | a pack of pasta |
When you need this conversion
Baking and food packaging are where grams meet ounces. European and most other recipes weigh ingredients in grams, while US recipes often use ounces and cups. For baking, weighing in grams is the most accurate method; cups measure volume and vary with how the ingredient is packed.
Gram to ounce conversion table
| g | oz | g | oz |
|---|---|---|---|
| 10 g | 0.35274 oz | 160 g | 5.6438 oz |
| 20 g | 0.705479 oz | 170 g | 5.9966 oz |
| 30 g | 1.0582 oz | 180 g | 6.3493 oz |
| 40 g | 1.411 oz | 190 g | 6.7021 oz |
| 50 g | 1.7637 oz | 200 g | 7.0548 oz |
| 60 g | 2.1164 oz | 210 g | 7.4075 oz |
| 70 g | 2.4692 oz | 220 g | 7.7603 oz |
| 80 g | 2.8219 oz | 230 g | 8.113 oz |
| 90 g | 3.1747 oz | 240 g | 8.4658 oz |
| 100 g | 3.5274 oz | 250 g | 8.8185 oz |
| 110 g | 3.8801 oz | 260 g | 9.1712 oz |
| 120 g | 4.2329 oz | 270 g | 9.524 oz |
| 130 g | 4.5856 oz | 280 g | 9.8767 oz |
| 140 g | 4.9384 oz | 290 g | 10.2294 oz |
| 150 g | 5.2911 oz | 300 g | 10.5822 oz |
About the units
- Gram (g): one thousandth of a kilogram.
- Ounce (oz): 1/16 of a pound, exactly 28.349523125 grams.
Both are units of weight (mass). The conversion factor comes from the exact definitions above, so the calculator is exact; results are only rounded for display (up to six significant digits).
Frequently asked questions
How many ounces are in one gram?
One gram is 0.035274 ounces. One ounce is 28.3495 grams.
How do I convert grams to ounces?
Multiply the value in grams by 0.035274. To go back, divide by 0.035274.
What is 28.35 g in ounces?
28.35 g = 1 oz.
What is 100 g in ounces?
100 g = 3.5274 oz.
Sources
- NIST Special Publication 811 (2008), Guide for the Use of the International System of Units (SI), Appendix B: conversion factors.
- NIST Handbook 44 (2024), Appendix C: General tables of units of measurement.
Last reviewed 5 October 2026. Results are estimates; see our disclaimer.