Ounces to Grams Converter

Convert ounces to grams, kilograms, and pounds instantly. Accurate oz to g conversion for cooking, shipping, and everyday use.

Grams (g)
Kilograms (kg)
Pounds (lb)

How to Use This Calculator

  1. Enter the weight in ounces.
  2. The equivalent in grams, kilograms, and pounds is shown instantly.
  3. Decimals are supported for fractional ounces.

Formula

g = oz × 28.349523125

lb = oz ÷ 16

Example

Example: Convert 4 oz to grams:

4 × 28.3495 = 113.398 g

Frequently Asked Questions

  • One ounce equals exactly 28.349523125 grams. For quick estimates, 1 oz ≈ 28.35 g.
  • 100 grams ÷ 28.3495 = approximately 3.527 ounces.
  • 8 ounces = 8 × 28.3495 = 226.796 grams (approximately half a pound).
  • No. A fluid ounce measures volume (29.57 ml), while an ounce (oz) measures weight (28.35 g). They are different units despite similar names.
  • There are exactly 16 ounces in one pound. 1 lb = 16 oz = 453.59 g.

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