Milligram to Gram Converter

1 Milligram = 0.001 Grams. To convert Milligrams to Grams, multiply by 0.001.

Result updates as you type
Recent: 1 Milligram = 0.001 Gram

Formula

To convert Milligrams to Grams, multiply the value by 0.001. One Milligram equals 0.001 Grams.

g = mg × 0.001

Worked examples

  • 1 Milligram = 0.001 Grams
  • 5 Milligrams = 0.005 Grams
  • 10 Milligrams = 0.01 Grams
  • 100 Milligrams = 0.1 Grams

Milligrams to Grams table

Milligrams (mg) Grams (g)
1 0.001
2 0.002
3 0.003
4 0.004
5 0.005
10 0.01
25 0.025
50 0.05
100 0.1
250 0.25
500 0.5
1000 1

About Milligram and Gram

Both the Milligram (mg) and the Gram (g) measure weight / mass. One Milligram is equal to 0.001 Grams, so you can convert any measurement by multiplying by 0.001. The calculator above updates instantly, and the reference table lists common Milligram-to-Gram values for quick lookups.

Unit definitions

Milligram (mg)
The Milligram (mg) is a unit of weight / mass equal to 0.001 Grams.
Gram (g)
The Gram (g) is the reference unit for weight / mass in this converter — every other weight / mass unit is defined relative to it.

Frequently asked questions

How do you convert Milligrams to Grams?
Multiply the number of Milligrams by 0.001. For example, 1 Milligram × 0.001 = 0.001 Grams.
How many Grams are in a Milligram?
There are 0.001 Grams in one Milligram.
What is 10 Milligrams in Grams?
10 Milligrams is equal to 0.01 Grams.
How do you convert Grams back to Milligrams?
Multiply the number of Grams by 1000 to get Milligrams. One Gram equals 1000 Milligrams.