About Grams → Ounces
Small-scale weighing in kitchens and labs uses grams, while US recipes and postal rates may list ounces. Converting g to oz bridges those workflows.
One ounce avoirdupois equals 28.3495 grams.
Direction: grams in, ounces out.
Weight
Grams to Ounces Converter
Small-scale weighing in kitchens and labs uses grams, while US recipes and postal rates may list ounces. Converting g to oz bridges those workflows.
How to use this tool
Enter grams. Calculate to see ounces.
Formula & methodology
This grams to ounces converter applies the standard relationship below. Intermediate values are kept at full precision; only the displayed result is rounded.
oz = g / 28.349523125
Tips for accurate results
- 28 g is about 1 oz for rough kitchen estimates.
- Fluid ounces measure volume—do not confuse with weight oz.
- Use oz-to-g for reverse.
- Jewelry may use troy ounces—different from avoirdupois.
Frequently asked questions
100 g in oz?
About 3.53 oz.
Avoirdupois?
Yes, typical cooking weight ounces.
Free?
Yes.
Cup conversion?
Use baking converter for volume cups to grams.
Sources & references
The factors and formulas used by this tool follow these references:
- NIST Special Publication 811 — Guide for the Use of the International System of Units (SI)
- BIPM — The International System of Units (SI Brochure, 9th edition)
Last reviewed: September 2026. Found an error? Tell us and we will correct it.
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