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Ounces to Grams Converter

Convert ounces to grams and grams to ounces instantly. Also handles pounds, kilograms, milligrams, and troy ounces for precious metals.

Weight1
Amount
From Unit
Grams (g)
Ounces (oz)
Pounds (lb)
Kilograms (kg)
Milligrams (mg)
Troy Ounces (ozt)
Common weights
Frequently Asked Questions
How many grams in an ounce?

One ounce (oz) equals 28.3495 grams. This is the standard avoirdupois ounce used for food and everyday items.

How do I convert oz to grams?

Multiply ounces by 28.3495. For example: 4 oz × 28.3495 = 113.4 grams.

How many grams is 8 oz?

8 ounces equals 226.796 grams (8 × 28.3495).

How many ounces in 100 grams?

100 grams equals approximately 3.527 ounces (100 / 28.3495).

What is a troy ounce?

A troy ounce is used for precious metals like gold and silver. One troy ounce equals 31.1035 grams — slightly heavier than a regular (avoirdupois) ounce of 28.3495 grams.

How many grams is 1 pound?

1 pound equals 453.592 grams, or 16 ounces.

How many grams is 16 oz?

16 ounces equals 453.592 grams, which is exactly 1 pound.

How do I convert grams to ounces?

Divide grams by 28.3495. For example: 500 grams / 28.3495 = 17.64 oz.