How do I convert grams back to ounces?

Use the reverse converter: 1 gram equals 0.035274 oz.

Is this converter accurate?

Yes. It uses the exact SI/NIST definitions of each unit and shows up to 6 significant digits.

To convert ounces to grams, multiply the value by 28.3495231.

g = oz × 28.3495231

40 oz × 28.3495231 = 1133.98 g

Ounce (oz): Used for food, postal and precious-metal weights in the US and UK. The avoirdupois ounce is exactly 28.349523125 grams.
Gram (g): Common for food, recipes and small items in metric countries. One thousandth of a kilogram.

How do I convert ounces to grams?: To convert ounces to grams, multiply the value by 28.3495231.
How many grams are in 1 ounce?: 1 ounce equals 28.3495 g.
How many grams are in 10 ounces?: 10 oz equals 283.495 g.
How do I convert grams back to ounces?: Use the reverse converter: 1 gram equals 0.035274 oz.
Is this converter accurate?: Yes. It uses the exact SI/NIST definitions of each unit and shows up to 6 significant digits.