QuickUnit

Weight

Gram vs Ounce vs Milligram

Quick reference table for unit conversions with key differences.

Reference Table

GramgOunceozMilligrammg
0.50.01763698500
10.035273961,000
20.070547922,000
50.17636985,000
100.352739610,000
250.88184925,000
501.76369850,000
1003.527396100,000
50017.63698500,000
1,00035.273961,000,000

About These Units

g

Gram

Symbol: g

The gram is a metric unit of mass equal to one thousandth of a kilogram. Commonly used for food portions and small measurements.

Used in: Worldwide

oz

Ounce

Symbol: oz

The ounce is 1/16 of a pound, widely used in the US for food packaging and cooking recipes.

Used in: United States, United Kingdom

mg

Milligram

Symbol: mg

The milligram is one thousandth of a gram, commonly used in medicine and nutrition for measuring small doses.

Used in: Worldwide (medicine, nutrition)

Key Differences

  • 1 g is equal to 0.03527396 oz.
  • 1 g is equal to 1,000 mg.
  • 1 oz is equal to 28,349.52 mg.

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