1 Ounce to Grams – Full Calculation Guide





1 Ounce to Grams Conversion

The conversion of 1 ounce equals approximately 28.3495 grams.

This is because 1 ounce is defined as exactly 28.3495 grams based on the international avoirdupois system, which is the standard for measuring weight in the United States. Therefore, to convert ounces to grams, multiply the number of ounces by 28.3495.

Conversion Result

Conversion Tool


Result in grams:

Conversion Formula

The formula to convert ounces to grams is: grams = ounces × 28.3495. This works because each ounce holds exactly 28.3495 grams. So, if you have a number of ounces, multiplying by this factor gives you the equivalent weight in grams. For example, 2 ounces equals 2 × 28.3495 = 56.699 grams.

Conversion Example

  • Convert 3 ounces to grams:
    • Multiply 3 by 28.3495
    • 3 × 28.3495 = 85.0485 grams
    • The answer is 85.0485 grams.
  • Convert 0.5 ounces to grams:
    • 0.5 × 28.3495 = 14.17475 grams
    • Resulting in 14.17475 grams.
  • Convert 10 ounces to grams:
    • 10 × 28.3495 = 283.49 grams
    • The weight is 283.49 grams.
  • Convert 5.75 ounces to grams:
    • 5.75 × 28.3495 = 163.1374 grams
    • Therefore, 5.75 ounces equal 163.1374 grams.

Conversion Chart

This chart shows how different ounce values convert to grams. Read across each row to see the equivalent weight in grams for the corresponding ounce value. It helps in quick estimations without calculator usage.

Ounces Grams
-24.0 -681.588
-23.0 -653.043
-22.0 -624.498
-21.0 -595.953
-20.0 -567.408
-19.0 -538.863
-18.0 -510.318
-17.0 -481.773
-16.0 -453.228
-15.0 -424.683
-14.0 -396.138
-13.0 -367.593
-12.0 -339.048
-11.0 -310.503
-10.0 -281.958
-9.0 -253.413
-8.0 -224.868
-7.0 -196.323
-6.0 -167.778
-5.0 -139.233
-4.0 -110.688
-3.0 -82.143
-2.0 -53.598
-1.0 -25.053
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
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
20.0 567.0
21.0 595.3495
22.0 623.699
23.0 652.0485
24.0 680.398
25.0 708.7475
26.0 737.097

Related Conversion Questions

  • How many grams are in 1.5 ounces?
  • What is the weight of 2 ounces in grams?
  • Convert 0.25 ounces to grams, what is the result?
  • How do I convert ounces to grams for small weights like 0.1 oz?
  • What is the equivalent of 10 ounces in grams?
  • How many grams are in 5 ounces?
  • Is 1 ounce equal to 28 grams or 28.35 grams?

Conversion Definitions

Ounce

An ounce is a unit of weight used mainly in the imperial system, equal to approximately 28.3495 grams. It is commonly used to measure small quantities of food, liquids, and other items in the United States and some other countries.

Grams

Grams are metric units of weight, with 1 gram being one-thousandth of a kilogram. It is a standard measurement used globally in science, medicine, and everyday weighing, representing small to moderate weights accurately.

Conversion FAQs

Why is the ounce divided into 28.3495 grams?

This division comes from the international avoirdupois system, where the ounce was standardized to this precise value to ensure consistency across measurements used in trade, cooking, and commerce. It allows for accurate conversions between imperial and metric units.

Can I use a different factor for converting ounces to grams?

While 28.3495 grams is the official conversion factor, some approximations use 28.35 grams for simplicity, which introduces minor errors. For precise calculations, the exact value should be used, especially in scientific contexts.

How do I convert fractional ounces to grams?

To convert fractional ounces, multiply the decimal value by 28.3495. For example, 0.75 ounces equals 0.75 × 28.3495 = 21.2629 grams. This method works for any fractional or decimal ounces.

Is the conversion the same for liquids and solids?

No, the conversion applies to weight, regardless of the substance being measured. However, volume measurements for liquids differ and require different conversions based on density, so ounces of liquids and solids are not directly interchangeable without considering density.

How accurate is the 28.3495 grams per ounce conversion?

The value is exact within the international avoirdupois system, which is the standard in the United States. Minor variations may exist in different measurement systems or contexts, but for most practical purposes, this value is precise enough.