Ounces to Grams
Convert ounces to grams instantly in your browser.
Tool workspace
Conversion runs in your browser. Values are not sent to our servers.
How it works
Enter a value in ounces. The tool multiplies by the exact international avoirdupois factor 1 ounce = 28.349523125 grams (inverse of the g→oz factor used by the grams-to-ounces tool).
Results update as you type (light debounce) or when you press Convert. Empty input clears the result—no error. Non-numeric input shows a validation message instead of a wrong number.
Displayed values keep up to 10 decimal places and drop trailing zeros so precision stays useful without looking over-rounded.
Results update as you type (light debounce) or when you press Convert. Empty input clears the result—no error. Non-numeric input shows a validation message instead of a wrong number.
Displayed values keep up to 10 decimal places and drop trailing zeros so precision stays useful without looking over-rounded.
Examples
- 1 oz → 28.349523125 g
- 0 oz → 0 g
- 0.0352739619 oz → 1 g
Privacy
Privacy: this tool processes values locally in your browser. We do not log or store what you enter. Login is not required.
FAQ
Is my value uploaded to a server?
No. Conversion runs entirely in your browser. Values are not sent to Nova Engine.
Which ounce definition do you use?
International avoirdupois: 1 ounce = 28.349523125 grams exactly (1/16 of the international pound). This is the everyday US/UK commercial ounce, not troy or fluid ounces.
Do I need an account?
No. All published tools work for guests without login.