Unitly

weight conversion

How many milligrams are in 1 gram?

Quick answer, a live calculator, and reference values for converting grams to milligrams.

Main answer
1 gram = 1,000 milligrams
Result
1 gram = 1,000 milligrams

Factor: 1000

There are 1,000 milligrams in 1 gram.

1 gram equals 1,000 milligrams. A gram is a common weight unit for food, parcels, and everyday items. A milligram is another weight unit you'll often see on scales and nutrition labels. To convert any amount, multiply the number of grams by 1000 to get milligrams. Results below use standard international conversion factors; round as needed for recipes or construction.
Need the other direction?
Convert milligrams to grams.

Examples

  • 1 gram
    1,000 milligrams
  • 5 grams
    5,000 milligrams
  • 10 grams
    10,000 milligrams
  • 100 grams
    100,000 milligrams

Frequently asked questions

How many milligrams are in 1 gram?
There are 1,000 milligrams in 1 gram.
How do I convert grams to milligrams?
Multiply the grams value by 1000. You can also type any number into the calculator on this page for an instant result.
Is the grams to milligrams conversion exact?
This page uses internationally recognized conversion factors. Displayed values may be rounded for readability—keep extra decimals when a recipe, blueprint, or lab measurement needs higher precision.

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