Ounces to Grams Converter

Quick, accurate, and free weight unit conversions

How to convert ounces to grams

To convert a measurement in US customary or international avoirdupois ounces to grams, multiply the mass value by the conversion factor of 28.349523125 grams per ounce.

grams = ounces × 28.349523125

Example

If you want to convert a 6-ounce culinary ingredient or postal package item into grams, the calculation is structured as follows:

6 × 28.349523125 = 170.0971 grams

Ounces to Grams Quick Reference Table

Ounces (oz) Grams (g)
1 oz28.3495 g
2 oz56.6990 g
4 oz113.3981 g
8 oz (0.5 lb)226.7962 g
12 oz340.1943 g
16 oz (1 lb)453.5924 g
32 oz907.1847 g

About Ounces and Grams

The avoirdupois ounce (oz) represents an historic alternative framework parameter applied globally within mass computing structures, notably throughout US consumer retail metrics and traditional cooking environments. The gram (g) acts as an essential sub-unit marker derived directly from the primary metric scale layout framework (SI system), defining weight fields universally across culinary arts, medical sorting scales, and precision laboratory applications.

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