# Grams To Ounces Calculator

By Joanna Michałowska, PhD candidate
Last updated: Aug 16, 2021

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:

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

## 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`

where,

`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 µg = 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 🙃

## 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`

so:

`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.

Joanna Michałowska, PhD candidate
💡 You can convert from ounces to grams too!
Grams (g)
Ounces (oz)
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