Weight

Ounces to Grams

Enter a value in Ounces and get the result in Grams instantly.

28.3495 g

1 oz = 28.3495 g

How to convert Ounces to Grams

Multiply the number of Ounces by 28.3495 to get Grams. To go the other way, divide by that same number instead.

Need the opposite direction? Use the Grams to Ounces converter.

Ounces to Grams conversion table

OuncesGrams
1 oz28.3495 g
2 oz56.699 g
3 oz85.0486 g
5 oz141.7476 g
10 oz283.4952 g
20 oz566.9905 g
50 oz1,417.48 g
100 oz2,834.95 g

Mass and weight units

One kilogram equals exactly 2.20462 pounds, and one pound is defined as 0.45359237 kg. The stone, still common in the UK for body weight, is 14 pounds. Note that ounces here are units of mass — fluid ounces measure volume and are a different unit entirely.

Common questions

How many grams are in 1 oz?

One oz equals 28.3495 g. Multiply any number of ounces by 28.3495 to get the same amount in grams.

How do I convert ounces to grams quickly?

For a rough figure in your head, round 28.3495 to the nearest easy number and adjust. Use the converter above when the exact value matters.

Is this conversion exact?

The ratio between ounces and grams is a fixed, defined value, so the conversion is exact. Results are rounded for display only.