Grams to Milligrams Conversion Calculator

Convert grams to milligrams quickly and easily with our free online calculator.

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About this Converter

This free grams to milligrams converter provides quick and accurate conversions between common metric weight measurements. Simply enter a value in grams and get the equivalent in milligrams instantly.

How to Convert Grams to Milligrams

To convert from grams to milligrams, use the conversion calculator above. The calculator uses the precise conversion ratio automatically.

Common Conversions

  • 1 gram = 1000 milligrams
  • 0.5 grams = 500 milligrams
  • 0.1 grams = 100 milligrams
  • 2 grams = 2000 milligrams
  • 10 grams = 10,000 milligrams

How to Use

  1. Enter the number of grams in the input field
  2. Select your desired units from the dropdowns if needed
  3. The result in milligrams will be calculated automatically

About the Conversion

The gram to milligram conversion is fundamental in the metric system. Both units are part of the metric system used worldwide, with 1 gram equaling 1000 milligrams. This conversion is commonly used in medicine, cooking, and scientific measurements where precise quantities are important.

Weight Conversion Table

Select a conversion from the table below. Click any cell to convert between units.

From / To Gram Kilogram Metric Ton Milligram Ounce Pound Ton
Gram — Gram to Kilogram Gram to Metric Ton Gram to Milligram Gram to Ounce Gram to Pound Gram to Ton
Kilogram Kilogram to Gram — Kilogram to Metric Ton Kilogram to Milligram Kilogram to Ounce Kilogram to Pound Kilogram to Ton
Metric Ton Metric Ton to Gram Metric Ton to Kilogram — Metric Ton to Milligram Metric Ton to Ounce Metric Ton to Pound Metric Ton to Ton
Milligram Milligram to Gram Milligram to Kilogram Milligram to Metric Ton — Milligram to Ounce Milligram to Pound Milligram to Ton
Ounce Ounce to Gram Ounce to Kilogram Ounce to Metric Ton Ounce to Milligram — Ounce to Pound Ounce to Ton
Pound Pound to Gram Pound to Kilogram Pound to Metric Ton Pound to Milligram Pound to Ounce — Pound to Ton
Ton Ton to Gram Ton to Kilogram Ton to Metric Ton Ton to Milligram Ton to Ounce Ton to Pound —