Ounces to Grams

Convert ounces to grams instantly.

How to Do It Manually

One ounce (avoirdupois) equals 28.3495 grams. Multiply ounces by 28.3495.

grams = ounces × 28.3495

Frequently Asked Questions

How many grams is 1 ounce?

Approximately 28.3495 grams.

Is this for fluid ounces?

No, this converts weight ounces. Fluid ounces measure volume and require a different conversion.