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The conversion of 1 ounce equals approximately 28.3495 grams.
This is because 1 ounce (oz) is defined as exactly 28.349523125 grams in the avoirdupois system, which is the standard for measuring weight in the United States and many other countries. Therefore, to convert ounces to grams, we multiply the number of ounces by 28.3495.
Table of Contents
Conversion Result for 1 Ounce
1 ounce is equal to 28.3495 grams.
Conversion Tool
Result in g:
Conversion Formula
The formula to convert ounces to grams is: grams = ounces × 28.3495. It works because 1 ounce is defined as exactly 28.3495 grams, so multiplying the ounce value by this factor gives the weight in grams. For example, converting 2 ounces: 2 × 28.3495 = 56.699 grams.
Conversion Example
- Convert 3 ounces:
- Start with 3 ounces.
- Multiply 3 by 28.3495.
- 3 × 28.3495 = 85.0485 grams.
- So, 3 ounces equals 85.0485 grams.
- Convert 0.5 ounces:
- Start with 0.5 ounces.
- Multiply 0.5 by 28.3495.
- 0.5 × 28.3495 = 14.17475 grams.
- Therefore, half an ounce is 14.17475 grams.
- Convert 10 ounces:
- Start with 10 ounces.
- Multiply 10 by 28.3495.
- 10 × 28.3495 = 283.495 grams.
- So, 10 ounces is 283.495 grams.
Conversion Chart
This chart shows how different ounces convert to grams. Read across each row to find the weight in grams for the given ounces. For example, -24 ounces equals -681.588 grams, and 26 ounces equals 736.087 grams.
| Ounces | Grams |
|---|---|
| -24.0 | -681.588 |
| -23.0 | -652.044 |
| -22.0 | -622.499 |
| -21.0 | -592.954 |
| -20.0 | -563.409 |
| -19.0 | -533.864 |
| -18.0 | -504.319 |
| -17.0 | -474.774 |
| -16.0 | -445.229 |
| -15.0 | -415.684 |
| -14.0 | -386.139 |
| -13.0 | -356.594 |
| -12.0 | -327.049 |
| -11.0 | -297.504 |
| -10.0 | -267.959 |
| -9.0 | -238.414 |
| -8.0 | -208.869 |
| -7.0 | -179.324 |
| -6.0 | -149.779 |
| -5.0 | -120.234 |
| -4.0 | -90.689 |
| -3.0 | -61.144 |
| -2.0 | -31.599 |
| -1.0 | -2.054 |
| 0.0 | 0.0 |
| 1.0 | 28.3495 |
| 2.0 | 56.699 |
| 3.0 | 85.0485 |
| 4.0 | 113.398 |
| 5.0 | 141.7475 |
| 6.0 | 170.097 |
| 7.0 | 198.4465 |
| 8.0 | 226.796 |
| 9.0 | 255.1455 |
| 10.0 | 283.495 |
| 26.0 | 736.087 |
Related Conversion Questions
- How many grams are in half an ounce?
- What is the weight in grams for 2.5 ounces?
- Can I convert 1 ounce to grams without a calculator?
- What is the equivalent of 4 ounces in grams for cooking recipes?
- How do I convert ounces to grams for small quantities?
- What is the gram equivalent of 0.75 ounces?
- How many grams are there in 16 ounces?
Conversion Definitions
An ounce (oz) is a unit of weight used primarily in the US customary and British imperial systems, equal to 28.3495 grams, used in measuring small weights like food and precious metals.
Grams (g) are a metric unit of mass, where one gram is one-thousandth of a kilogram, widely used globally for measuring weight in science, cooking, and everyday measurements, providing a precise and consistent way to quantify mass.
Conversion FAQs
How accurate is the ounce to gram conversion?
The conversion is highly accurate because 1 ounce is precisely defined as 28.349523125 grams. For most practical purposes, rounding to 28.3495 grams is sufficiently precise, especially in cooking and everyday measurements.
Is there a difference between avoirdupois ounces and troy ounces when converting to grams?
Yes, there is a difference. The avoirdupois ounce is 28.3495 grams, used for most weights. The troy ounce is slightly heavier at 31.1035 grams, mainly used for precious metals. The conversion discussed here relates to the avoirdupois ounce.
Can I use this conversion for converting ounces to other metric units?
No, this conversion specifically applies to grams. To convert ounces to kilograms, divide the grams value by 1000. For example, 1 ounce equals 0.0283495 kilograms.
Why do different sources sometimes give slightly different gram values for an ounce?
Variations occur because some sources round the exact number differently, or use different standards like troy ounces. The precise value, 28.349523125 grams, is based on the international avoirdupois system.
