Grams To Ounces Calculator (2024)

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Mass versus weightHow to measure mass and weight?Units of massHow to convert grams to ounces?How to use grams to ounces calculator? An example: 100 grams to ouncesFAQs

The grams to ounces calculator does precisely what the name suggests - converts grams to ounces. It also works as an ounces to grams calculator, where you can perform the calculation the other way round and convert ounces to grams.

If you are interested in different conversions, check our other calculators:

  • Weight converter;
  • Temperature converter;
  • Length converter; and
  • Volume converter.

If you are interested in converting grams using different approaches, you can also check our grams to calories calculator.

Mass versus weight

In everyday use, "mass" usually has the same meaning as "weight"; however, in physics, those words represent two different concepts:

  1. Mass - refers to an elemental property of an object. It's the amount of "matter" in an object. We usually measure it in pounds or kilograms.

  2. Weight - refers to the force acting on the object due to gravity. It measures an object's resistance to deviation from its natural course of free fall (which is influenced by gravity). It is usually measured in pounds-force or Newtons.

For example, 1 kilogram of chocolate has a weight of about 9.8 newtons on the surface of the Earth. Its weight will be smaller on Mars (as the gravity is weaker), but greater on Saturn. The mass, however, will always be the same.

How to measure mass and weight?

1. Mass can be measured using a balancing scale (where we compare the object to another object with known mass) or using equations, e.g.:

F = m * a


F - force, expressed in newtons;

m - mass, which we can express in, e.g., kilograms; and

a - acceleration (9.81 m/s2 is the commonly used approximation for Earth).

2. Weight can be directly measured using a:

  • Weighing scale (spring, hydraulic or pneumatic) - measures local weight, that is the local force of gravity on the object; and

  • Balancing scale - we can compare the weight of an unknown object to the weight of a reference object (e.g., balance weights).

Units of mass

The standard International System of Units (SI) unit of mass is the kilogram (kg). However, remember that the SI prefixes for different mass using the unit gram as their base, not the kilogram. We listed some examples below:

  • Microgram (1 Β΅g = 0.000001 g);
  • Milligram (1 mg = 0.001 g);
  • Gram (1 g);
  • Decagram (1 dag = 10 g);
  • Kilogram (1 kg = 1000 g); and
  • Megagram/tonne (1 t = 1000 kg or 106 g).

The imperial units of mass are used in some countries that were part of the British Empire, including United Kingdom itself and Canada. Here, the fundamental unit is pound (lb), and all other units are defined as fractions or multiples of it. Some of the units include:

  • Grain (1 gr = 1/7000 lb);
  • Ounce (1 oz = 1/16 lb);
  • Pound (1 lb);
  • Stone (1 stone = 14 lbs); and
  • Ton (1 ton = 2240 lbs).

U.S. units are similar to the imperial system; however, there are some differences, e.g., there is no "stone" and a ton equals 2000 lbs.

It's all quite complicated, isn't it? Fortunately, we have all sorts of conversion tools, including this grams to ounces calculator! Read the paragraph below to find out how to convert grams to oz and oz to grams πŸ™ƒ

How to convert grams to ounces?

The rules are pretty simple, as 1 gram = 0.035274 oz.

Check the equations below to find out how to convert grams to oz and oz to grams ⬇️

  1. If you want to convert grams to ounces, you need to divide the number of grams by 28.34952.

ounces = grams / 28.34952

  1. If you want to convert ounces to grams, you need to multiply the number of ounces by 28.34952.

grams = ounces * 28.34952

That's simple, isn't it? It is even more straightforward with our grams to ounces calculator!

How to use grams to ounces calculator? An example: 100 grams to ounces

We can use a practical example to make sure that everything is clear. Let's say that you have a recipe for a delicious cake that require 100 g of butter 🧈 Unfortunately, your scale measures in ounces, so you want to convert 100 grams to ounces.

You can of course use our grams to ounces calculator to do it quickly without thinking too much. But there are some cases where you need to do it by hand. So, how can you convert 100 grams to ounces? You need to use the following equation:

X ounces ⇔ Y grams / 28.34952


X ounces = 100 / 28.34952 = 3.53 ounces

So, the 100 grams to ounces conversion is:

3.53 ounces ⇔ 100 grams

There we go. 100 grams of butter is the same as 3.53 ounces of butter.


How many grams are in an ounce?

One ounce is 28.34952 grams. To convert ounces to grams, simply multiply your mass in ounces by 28.34952, e.g., 6 ounces will be 6 Γ— 28.34952 = 170.1 grams. Then, divide by 1000 to obtain mass in kilos: 170.1/1000 = 0.1701 kilos.

How do I convert 20 grams to ounces?

To convert grams to ounces:

  1. Take your mass in grams: 20 grams.
  2. Divide mass in grams by 28.34952: 20/ 28,34952.
  3. Find your mass in ounces: 0.7055 ounces.

Or, knowing that one gram is equal to 0.03527396195 ounces:

  1. Multiply mass in grams by 0.03527396195: 20 Γ— 0.03527396195 = 0.7055 ounces.

How many grams of gold are in an ounce?

There are 31.1034768 grams in an ounce of gold. Remember that this is a different ounce known as the Troy ounce from the standard ounce, which weighs 28.35 grams. We use the Troy ounces in the precious metals world when measuring the mass of gold, silver, or platinum.

What does a 1/4 ounce weigh in grams?

1/4 ounce (also denoted as a quarter ounce) is 7.087 grams. You can easily convert it by multiplying the value in ounces by the conversion factor 28.349523125. So, 1/4 ounces will be 1/4 Γ— 28.349523125 = 0.25 Γ— 28.349523125 = 7.087 grams.

How do I convert grams to ounces for cooking?

If you want to convert a recipe developed in Europe into quantities familiar to American cooks, divide the number of ingredients in grams by 28.349523125. For example, if the amount of an ingredient is 14 grams, divide by 28.349523125 to get 0.49383546728 ounce.

Grams To Ounces Calculator (2024)


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