If you’ve ever followed a recipe, measured ingredients, or baked a cake, you’ve likely encountered the need to convert ounces to grams. I have googled too many times to count – “How Many Grams in an Ounce” or “How many grams in X ounces?” And if you just remember the conversion, you will never have to google it again!!
But first, let us quickly refresh what an Ounce and a Gram is.
The ounce (oz) is a unit of weight commonly used in the United States and a few other countries that follow the imperial system. Meanwhile, the gram (g) is part of the metric system, which is widely used around the world, especially in baking and professional kitchens.
The Conversion: How Many Grams in an Ounce?
One ounce is equal to 28.3495 grams. This means that if a recipe calls for ounces and you need grams, simply multiply the number of ounces by 28.35 – see below though for the practical conversion.
The Practical Conversion of Grams to Ounce
I however like to round this conversion up to 30 grams ie. 1 ounce = 30 grams. It makes it a lot easier to quickly convert something when it is a lovely round number!! You can do the maths in your head! If however, you want absolute precision for baking purposes or for scientific reasons then stick with the accepted conversion of 1 oz = 28.35g
Common Ingredient Conversions:
- 1 oz of flour = approximately 28.35 g
- 1 oz of sugar = approximately 28.35 g
- 1 oz of butter = approximately 28.35 g
Example Conversions:
| Ounces (oz) | Grams (g) |
| 1 oz | 28.35 g |
| 2 oz | 56.70 g |
| 5 oz | 141.75 g |
| 10 oz | 283.50 g |
Why the Conversion Matters in Cooking and Baking
- Precision in Baking: Baking is a science, and accurate measurements ensure the right texture and consistency in cakes, bread, and pastries.
- International Recipes: Many European and Asian recipes list ingredients in grams, so conversion is essential.
- Dietary and Nutritional Tracking: If you’re monitoring calories or macros, food labels often list serving sizes in grams.
- Scaling Recipes: If you need to double or halve a recipe, working with grams provides more precise results.
Ounce vs. Fluid Ounce: What’s the Difference?
A common mistake in the kitchen is confusing an ounce (weight) with a fluid ounce (volume). Here’s the key distinction:
- Ounce (oz): Measures weight (solid ingredients like flour, sugar, or butter).
- Fluid Ounce (fl oz): Measures volume (liquids like milk, water, or oil).
For example:
- 1 oz of flour weighs about 28.35 grams.
- 1 fluid oz of water equals approximately 29.57 milliliters.
How to Convert Ounces to Grams and Vice Versa
- To convert ounces to grams: Grams = Ounces × 28.35
- To convert grams to ounces: Ounces = Grams ÷ 28.35
Download this beautiful Kitchen Conversion Chart for FREE!
Grams to Ounces Conversion Chart
| Grams (g) | Ounces (oz) |
| 10 g | 0.35 oz |
| 20 g | 0.71 oz |
| 50 g | 1.76 oz |
| 100 g | 3.53 oz |
| 250 g | 8.82 oz |
| 500 g | 17.64 oz |
| 750 g | 26.46 oz |
| 1000 g (1 kg) | 35.27 oz |
| 1250 g | 44.09 oz |
| 1500 g | 52.91 oz |
| 1750 g | 61.73 oz |
| 2000 g (2 kg) | 70.55 oz |
| 2500 g | 88.18 oz |
| 3000 g | 105.82 oz |
| 3500 g | 123.46 oz |
| 4000 g | 141.10 oz |
| 4500 g | 158.73 oz |
| 5000 g (5 kg) | 176.37 oz |
Ounces to Grams Conversion Chart
| Ounces (oz) | Grams (g) |
| 1 oz | 28.35 g |
| 2 oz | 56.70 g |
| 5 oz | 141.75 g |
| 10 oz | 283.50 g |
| 20 oz | 566.99 g |
| 50 oz | 1417.48 g |
| 100 oz | 2834.95 g |
| 150 oz | 4252.43 g |
| 200 oz | 5669.91 g |
| 250 oz | 7087.39 g |
| 300 oz | 8504.86 g |
| 350 oz | 9922.34 g |
| 400 oz | 11339.82 g |
| 450 oz | 12757.29 g |
| 500 oz | 14174.77 g |
Common Kitchen Uses for Ounce-to-Gram Conversion
- Measuring Ingredients: Whether you’re making bread, cookies, or sauces, precise measurements improve consistency.
- Following Recipes Accurately: Many professional cookbooks use metric measurements.
- Adjusting Portions: Helps when scaling recipes up or down.
- Food Prep and Meal Planning: Ensures accuracy in portion control and nutritional tracking.
By remembering that 1 ounce equals approximately 28.35 grams (30g to be ultra practical!!!), you can confidently measure ingredients and follow recipes with ease. Whether you’re baking a cake or cooking a savoury dish, you will save so much time and energy by just doing the maths in your head!!
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