4.0 oz equals approximately 113.398 grams.
To convert ounces (oz) to grams (g), multiply the number of ounces by 28.3495. Since 1 oz is equal to 28.3495 grams, multiplying 4.0 by this number gives the result in grams.
Conversion Tool
Result in grams:
Conversion Formula
The formula to convert ounces to grams is straightforward: grams = ounces × 28.3495. This works because one ounce is defined as exactly 28.3495 grams. Multiplying the ounce value by this factor converts it to grams, which is metric unit.
For example, to convert 4.0 oz to grams:
- Start with 4.0 oz.
- Multiply 4.0 by 28.3495 (4.0 × 28.3495).
- Calculate: 4.0 × 28.3495 = 113.398 grams.
This straightforward multiplication provides the equivalent weight in grams.
Conversion Example
- Convert 7.5 oz to grams:
- Multiply 7.5 by 28.3495.
- 7.5 × 28.3495 = 212.62125 grams.
- Therefore, 7.5 oz equals about 212.621 grams.
- Convert 2.3 oz to grams:
- Multiply 2.3 by 28.3495.
- 2.3 × 28.3495 = 65.204 grams.
- So, 2.3 oz is approximately 65.204 grams.
- Convert 10 oz to grams:
- Multiply 10 by 28.3495.
- 10 × 28.3495 = 283.495 grams.
- Hence, 10 oz equals 283.495 grams.
- Convert 0.5 oz to grams:
- Multiply 0.5 by 28.3495.
- 0.5 × 28.3495 = 14.17475 grams.
- So, 0.5 oz is 14.175 grams approximately.
Conversion Chart
| Ounces (oz) | Grams (g) |
|---|---|
| -21.0 | -595.3395 |
| -20.0 | -566.99 |
| -19.0 | -538.6405 |
| -18.0 | -510.291 |
| -17.0 | -481.9415 |
| -16.0 | -453.592 |
| -15.0 | -425.2425 |
| -14.0 | -396.893 |
| -13.0 | -368.5435 |
| -12.0 | -340.194 |
| -11.0 | -311.8445 |
| -10.0 | -283.495 |
| -9.0 | -255.1455 |
| -8.0 | -226.796 |
| -7.0 | -198.4465 |
| -6.0 | -170.097 |
| -5.0 | -141.7475 |
| -4.0 | -113.398 |
| -3.0 | -85.0485 |
| -2.0 | -56.699 |
| -1.0 | -28.3495 |
| 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 |
| 11.0 | 311.8445 |
| 12.0 | 340.194 |
| 13.0 | 368.5435 |
| 14.0 | 396.893 |
| 15.0 | 425.2425 |
| 16.0 | 453.592 |
| 17.0 | 481.9415 |
| 18.0 | 510.291 |
| 19.0 | 538.6405 |
| 20.0 | 566.99 |
| 21.0 | 595.3395 |
| 22.0 | 623.689 |
| 23.0 | 652.0385 |
| 24.0 | 680.388 |
| 25.0 | 708.7375 |
| 26.0 | 737.087 |
| 27.0 | 765.4365 |
| 28.0 | 793.786 |
| 29.0 | 822.1355 |
The chart above shows ounces on the left column, and their equivalent in grams on the right. You can find the ounce value you want, then read across to see grams. Negative values means weights less than zero, useful in some scientific contexts.
Related Conversion Questions
- How many grams are in 4 ounces?
- What is the weight of 4 oz in grams?
- Convert 4.0 oz to grams exactly.
- Is 4 oz more or less than 100 grams?
- How to change 4 oz to grams manually?
- What equals 4 ounces in grams?
- How much does 4 oz weigh in grams?
Conversion Definitions
Ounce (oz): An ounce is a unit of weight used in the imperial and US customary systems. One ounce equals exactly 1/16 of a pound or about 28.3495 grams. It measures small to medium weights, often used in cooking, postal services, and body weight.
Gram (g): A gram is a metric unit of mass defined as one-thousandth of a kilogram. It is widely used worldwide for measuring weight and mass in science, food, and commerce. One gram equals 0.03527396 ounces.
Conversion FAQs
Why is the conversion factor 28.3495 for oz to grams?
The factor 28.3495 comes from the official definition of an ounce in terms of grams. One ounce was internationally agreed to equal exactly 28.3495 grams, so multiplying by this number converts ounces to grams precisely. This value is fixed and used worldwide.
Can I use this conversion for liquid ounces?
No, the ounce in this conversion is a unit of weight (avoirdupois ounce), not volume. Fluid ounces measure volume, so converting fluid ounces to grams depends on the liquid’s density, not just the conversion factor used here.
Are negative ounce values valid in real-world measurements?
Negative ounce values are uncommon in everyday use but might occur in calculations involving differences, errors, or certain scientific measurements. The conversion formula still applies mathematically, producing negative gram values accordingly.
Is there a quick way to estimate grams from ounces without a calculator?
You can approximate by multiplying ounces by 28, which gives a close estimate. For example, 4 oz × 28 = 112 grams, which is slightly less than the exact 113.398 grams but close enough for rough calculations.