Grams to Milligrams
Convert grams (g) to milligrams (mg).


About this conversion

Convert mass units including milligrams (mg), grams (g), kilograms (kg), pounds (lb), and ounces (oz). In physics, mass (kg) is distinct from weight (a force in newtons), but everyday usage often treats them interchangeably. The kilogram (kg) is the SI base unit of mass.

This mass converter transforms values from Grams (g) to Milligrams (mg). Results update instantly using the exact conversion factor.

The gram (g) equals 10⁻³ kg and is a common metric mass unit.

The milligram (mg) equals 10⁻³ g and is used for small masses in medicine and chemistry.

Grams to Milligrams Formula

1 g × 1000 = 1000 mg

How to convert Grams to Milligrams?

mg = g × 1000

To convert g to mg, multiply the value in g by 1000 (conversion factor). Example: 1 g × 1000 = 1000 mg.

Example: Convert 10 g to mg

10 g × 1000 = 10000 mg

Grams to Milligrams Conversion Table

Common values from g to mg.

Grams to Milligrams Conversion Table
g mg
1 1000
2 2000
3 3000
4 4000
5 5000
6 6000
7 7000
8 8000
9 9000
10 10000
11 11000
12 12000
13 13000
14 14000
15 15000
16 16000
17 17000
18 18000
19 19000
20 20000
1 g 1000 mg
2 g 2000 mg
3 g 3000 mg
4 g 4000 mg
5 g 5000 mg
6 g 6000 mg
7 g 7000 mg
8 g 8000 mg
9 g 9000 mg
10 g 10000 mg
11 g 11000 mg
12 g 12000 mg
13 g 13000 mg
14 g 14000 mg
15 g 15000 mg
16 g 16000 mg
17 g 17000 mg
18 g 18000 mg
19 g 19000 mg
20 g 20000 mg