Ounces to Grams converter

Convert ounces (oz) to grams (g) — results update instantly as you type.

Ounces to Grams

To28.3495

1 oz = 28.34952313 g

How to convert Ounces to Grams

Mass measurements range from milligrams in a pharmacy to metric tons in shipping. The metric world weighs in grams and kilograms, while the US and UK still use ounces, pounds, and stones — this converter handles all of them exactly.

All units convert through the gram. One pound is defined as exactly 453.59237 grams and one ounce as exactly 28.349523125 grams, so results are precise to the international definition.

Formula

oz × 28.349523125 = g

Multiply your ounces value by 28.349523125 to get grams. For the reverse, divide by the same factor.

Ounces to Grams conversion table

OuncesGrams
1 oz28.349523 g
2 oz56.699046 g
5 oz141.747616 g
10 oz283.495231 g
25 oz708.738078 g
100 oz2,834.952313 g

Common use cases

  • Body weight between kilograms, pounds, and stones
  • Recipe ingredients between grams and ounces
  • Luggage allowances between kilograms and pounds
  • Freight and cargo in metric tons

Frequently asked questions

One kilogram equals approximately 2.20462 pounds. Conversely, one pound is exactly 0.45359237 kilograms.