How Many Grams to the Ounce? (Conversion Guide + Chart)

Discover How Many Grams to the Ounce? Easily convert 28 grams to one avoirdupois ounce or vice versa. Explore the precise measurement of 1 ounce, approximately equal to 28.35 grams. Master the weight in grams with our expert guide!

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Have you ever tried following a recipe but gotten confused about the measurements? I know I have! Especially when a recipe calls for ounces of something, but I only have a kitchen scale that measures in grams. So, How Many Grams to the Ounce anyway?

As someone who loves to cook and bake, figuring out conversions between grams and ounces is an essential skill in the kitchen. Whether I’m trying out a new cookie recipe or measuring ingredients for my famous homemade pasta sauce, I need to know how to translate ounces into grams accurately.

Luckily, the conversion is pretty straightforward. In this post, I’ll walk through exactly how many grams are in an ounce, and provide conversion formulas, handy reference charts, and examples for common measurements like flour and sugar. Read on to become a kitchen measuring pro!

Key Facts:

  • There are 28 grams in one ounce, which can be expressed as 28 grams = 1 ounce or 28 g = 1 oz. A more precise conversion is that 1 ounce is equal to approximately 28.3495 grams (or 28.35 g). (Source: Team Research)
  • To convert ounces to grams, you can multiply your mass in ounces by 28.34952. For example, 6 ounces will be 6 × 28.34952 = 170.1 grams. (Source: Team Research)
  • The concept of converting grams to ounces and vice versa is commonly used in cooking and other fields where measurements are required. (Source: Team Research)
  • Some common conversions related to ounces and grams include grams in a pound, grams in an eighth, grams in a troy ounce, grams in a half ounce, and grams in a cup. (Source: Team Research)
  • There are online calculators and conversion charts available to help with the conversion of grams to ounces and vice versa. (Source: Team Research)

How Many Grams in an Ounce?

There are 28.35 grams in 1 ounce.

Converting Grams to Ounces

When a recipe calls for a certain number of ounces of an ingredient, like 4 ounces of chocolate chips, how can you measure that on a kitchen scale that only shows grams? Here’s a simple way to convert:

  • Take the number of ounces and multiply it by 28.34952. This converts ounces to grams, since there are 28.34952 grams in 1 ounce.
  • For example, to convert 4 ounces to grams:
    • 4 oz x 28.34952 g/oz = 113.398 g
  • So 4 ounces is equal to 113.398 grams or about 113 grams. Easy!

You can use this formula to convert any gram measurement to ounces. Here are some common conversions:

  • 1 oz = 28 g
  • 8 oz = 227 g
  • 0.5 oz = 14 g
  • 100 g = 3.5 oz

Tip: For quick conversions, just remember that 28 grams is approximately 1 ounce. Or that 100 grams is a little more than 3 ounces.

Having a grams to ounces conversion chart is also handy for reference in the kitchen. Here’s a quick chart to save or print:

28 g1 oz
56 g2 oz
85 g3 oz
113 g4 oz
142 g5 oz
170 g6 oz
198 g7 oz
227 g8 oz

Now let’s try a real example. Say a cookie recipe calls for 225 grams of butter. To measure that in ounces, we calculate:

  • 225 g x 1 oz/28g = 8 oz

So 225 grams of butter is the same as 8 ounces of butter. Easy peasy!

Converting Ounces to Grams

Converting ounces to grams works the same way, just in reverse:

  • Take the number of ounces and multiply it by 28.34952 to get the equivalent grams.

For example:

  • 6 oz x 28.34952 g/oz = 170.097 g

So 6 ounces equals about 170 grams.

Here are some other handy conversions:

  • 1 oz = 28 g
  • 4 oz = 113 g
  • 8 oz = 227 g
  • 12 oz = 340 g

You can use this simple formula to convert any ounce measurement into grams.

Key Takeaway: The basic conversion is:

  • 1 oz = 28 g
  • To convert ounces to grams: ounces x 28.34952 = grams

Having a conversion chart on hand also makes conversions a breeze:

1 oz28 g
2 oz57 g
3 oz85 g
4 oz113 g
5 oz142 g
6 oz170 g
7 oz198 g
8 oz227 g

So whenever that recipe calls for ounces, you’ll know just how to measure it in grams!

Common Measurements

Now that we know the basic ounce to gram conversion, let’s look at some common examples of measurements you might encounter in recipes or cooking.

How Many Grams in a Pound?

Pounds are a convenient unit for buying bulk ingredients like flour, sugar, rice, etc. But recipe quantities are often listed in ounces or grams. So how can you convert pounds to grams?

There are 453.592 grams in 1 pound. To convert:

  • Take the number of pounds and multiply by 453.592 to get the grams.

For example:

  • 2 lb x 453.592 g/lb = 907.184 g

So 2 pounds is equal to 907 grams.

A handy pounds to grams chart makes conversions quick:

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1 lb454 g
2 lb907 g
3 lb1,361 g
4 lb1,814 g
5 lb2,268 g

Tip: To remember the basic conversion, know that 1 pound is approximately 454 grams.

Now let’s try an example. Say you buy a 5-pound bag of flour. A cookie recipe calls for 225 grams of flour. How many cups would that be from your 5-pound bag?

  • 5 lb flour = 2,268 g
  • The recipe needs 225 g
  • So 225 g / 2,268 g = 0.1 cups of flour

See, converting pounds to grams is super helpful for baking success!

How Many Ounces in a Cup?

Cup measurements are another common cooking quantity. How can we convert cups to ounces or grams?

There are 8 fluid ounces in 1 measuring cup. For dry ingredients, the conversion is slightly different:

  • 1 cup = 4.93 ounces dry
  • 1 cup = 125 grams dry

So if a recipe calls for 10 ounces dry of something, you’d measure it to be about 2 cups.

Here’s a cups to ounces and grams conversion chart:

CupsOunces (dry)Grams (dry)
1 cup4.93 oz125 g
2 cups9.86 oz250 g
3 cups14.79 oz375 g
4 cups19.72 oz500 g

Let’s try converting a real example. Say you need 2 cups of flour. To convert to ounces:

  • 2 cups x 4.93 oz/cup = 9.86 oz

So 2 cups of flour equals 9.86 ounces. Knowing these conversions helps make measuring ingredients a breeze!

Other Measurement Systems

In some countries, recipes and food packages use metric or imperial measurement systems. How do these compare to ounces and grams?

The Metric System

The metric system is based on units like milliliters (mL) and kilograms (kg). Some key conversions are:

  • 1000 grams = 1 kilogram
  • 1000 milliliters = 1 liter

So 500 grams would be 0.5 kilograms. And 500 mL would be 0.5 liters.

Tip: The metric system has prefixes like milli-, centi-, and kilo- that indicate divisions by 1000.

To convert metric recipes to imperial units:

  • Grams to ounces: Divide grams by 28.34952
  • mL to fluid ounces: Divide mL by 29.5735

So 100 grams = 3.53 oz. And 100 mL = 3.38 fluid oz.

The Imperial System

The imperial or US customary system uses pounds, ounces, fluid ounces, and cups as units. We’ve already covered the main conversions:

  • 1 lb = 16 oz
  • 1 oz = 28 g
  • 1 cup = 8 fl oz liquid
  • 1 cup = 4.93 oz dry

So if a recipe uses fluid ounces and pounds, you can use the above guides to convert to grams and milliliters as needed.

The important thing is learning the relationships between units in different measurement systems. With the help of conversions and charts, translating between ounces, grams, pounds, cups, and other quantities becomes simple.

Understanding how many grams are in an ounce, and being able to convert between ounces, pounds, and cups, is an essential cooking skill. With the help of this guide, you should now feel confident tackling any recipe measurement.

Here are some key tips to remember:

  • There are about 28 grams in 1 ounce.
  • To convert ounces to grams, multiply ounces by 28.34952.
  • Use conversion charts for handy reference between units.
  • Know that 1 pound = 454 grams, and 1 cup = 125 grams dry ingredients.

With practice, converting units will become second nature. So don’t be afraid to experiment with recipes using worldwide measurements from metric to imperial systems. The delicious end result is worth understanding conversions between grams, ounces, pounds, and cups.

Additional Resources

FAQs About How Many Grams to the Ounce

What is the grams of 1 oz?

There are 28 grams in 1 ounce.

Is 100 grams more than 1 ounce?

Yes, 100 grams is equal to 3.5 ounces, so it is more than 1 ounce.

What is equivalent to 1 ounce?

1 ounce is equivalent to 28 grams.

How many pounds is 100 grams in ounces?

100 grams equals 3.5274 ounces. To convert, divide 100 grams by 28.34952 grams per ounce.


This guide covered everything you need to know about converting between grams and ounces. We looked at:

  • How to calculate grams to ounces and ounces to grams
  • Handy reference charts for common conversions
  • Converting pounds, cups, and metric measurements
  • Real examples for measuring cooking ingredients

With this knowledge, you can easily convert any measurement into recipes and kitchen work! Understanding conversions between units like grams, ounces, pounds, and cups makes you a more confident and skilled home cook.

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Richard Charpentier is the CEO of Baking Innovation, a leading provider of baking solutions. He has over 20 years of experience in the baking industry and has been a driving force behind the company's success.