1 oz to grams

Updated July 2026

1 oz equals 28.3495 g

1 ounce = 28.3495 g. That is how many grams there are in 1 ounce. Enter any value in the free weight converter to convert ounces to grams (and every other unit) instantly — it runs privately in your browser.

Formula: Multiply by 28.3495 — 1 ounce = 28.3495 grams. So 1 × 28.3495 = 28.3495 g.

oz to grams conversion table

ounce (oz)grams (g)
0.25 oz7.0874 g
0.5 oz14.1748 g
0.75 oz21.2621 g
1 oz28.3495 g
1.25 oz35.4369 g
1.5 oz42.5243 g
1.75 oz49.6117 g

Frequently asked questions

How many grams is 1 ounce?
1 ounce is 28.3495 grams. Multiply oz by 28.3495 to get grams.
What is 1 oz to grams?
1 ounce = 28.3495 g.
How do you convert oz to grams?
Multiply by 28.3495 — 1 ounce = 28.3495 grams. So 1 × 28.3495 = 28.3495 g.

Other oz to grams conversions

Convert 1 oz to other units