A free grams to ounces converter by NIST's exact ounce, with a table of common weights.
Convert grams to ounces and back, by NIST's exact ounce, with common weights.
Your numbers
An ounce is exactly 28.349523125 g, by NIST's definition. These are weight ounces, not fluid ounces.
Your result
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This free grams to ounces converter turns grams into ounces and back, by NIST's exact definition of the ounce.
It tables the weights recipes and packages use most, from 10 g to 1 kg.
I built it because kitchen scales, recipes and food labels switch between grams and ounces, and rounding 28.35 to 28 or 30 adds up.
Here's the exact number, a worked example, and the fluid ounce trap.
TL;DRKey takeaways
What is a grams to ounces converter?
A grams to ounces converter turns a weight in grams into US ounces, and back.
It's the bridge between metric recipes and US scales, packages and recipes.
The exact conversion
NIST Handbook 44, the US standard for weights and measures, defines the avoirdupois ounce as 28.349523125 g exactly.
| Grams | Ounces |
|---|---|
| 100 g | 3.53 oz |
| 250 g | 8.82 oz |
| 500 g | 17.64 oz |
| 1,000 g | 35.27 oz |
A worked example
Here's the example the calculator loads: 250 g.
250 ÷ 28.35 = 8.82 oz, just over half a pound.
Mistakes to avoid
These are the slips that come up most.
- Mixing weight ounces with fluid ounces on a measuring jug
- Rounding the ounce to 30 g, which is 6% off
- Reading a UK recipe's pounds and ounces as metric
Who is the grams to ounces converter for?
It's for cooks, bakers and anyone reading a label from another country, and these tools help around it.
- Cooking converter – for every kitchen unit at once
- Cups to grams converter – for 40 ingredients by weight
- Recipe scaler – for a full recipe, with grams
Know the exact ounce, and every weight converts without rounding errors.
Plan your money with your AI
Take your numbers further in
Grams to Ounces Converter FAQs
Questions about the grams to ounces converter? Here's what to know.
A grams to ounces converter turns grams into US weight ounces and back.
Exactly 28.349523125 g, by NIST's definition.
About 3.53 oz.
About 35.27 oz, or 2.2 pounds.
Exactly 453.59237 g.
Divide the grams by 28.35.
No, a fluid ounce measures volume and an ounce measures weight.
Yes, it's free with no sign-up.
It runs in your browser, and your numbers stay on your device.
I did.
I'm Navid Moazzez, and I made the grams to ounces converter as one of my free tools on navid.me.
More about me.
Navid Moazzez
AI business strategist & AI OS builder
Navid Moazzez helps creators and founders master AI and build their own AI Operating System (AI OS) to automate their business and life.
Navid.me is reader-supported. When you buy through links on this site, I may earn an affiliate commission. Learn more.
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