Quickly convert grams to milligrams and vice versa using Examples.com. Enter your values for instant and accurate conversion results.

Gram to Milligram

Formula: Mass in Milligram (mg) = Mass in Gram (g) × 1000


Milligram to Gram

Formula: Mass in Gram(g) = Mass in Milligram (mg) × 0.001


Mass Converters to Gram (g)

Tonne to GramKilogram to GramMilligram to Gram
Microgram to GramImperial ton to GramUS ton to Gram
Stone to GramPound to GramOunce to Gram

Mass Converters to Milligram (mg)

Tonne to MilligramKilogram to MilligramGram to Milligram
Microgram to MilligramImperial ton to MilligramUS ton to Milligram
Stone to MilligramPound to MilligramOunce to Milligram

Conversion Factors:

  • Grams to Milligrams: 1 gram = 1000 milligrams
  • Milligrams to Grams: 1 milligram = 0.001 grams

How to Convert Grams to Milligrams:

To convert grams to milligrams, multiply the number of grams by 1000.


Example: Convert 5 grams to milligrams.

Milligrams=5×1000=5000 milligrams

How to Convert Milligrams to Grams:

To convert milligrams to grams, multiply the number of milligrams by 0.001.


Example: Convert 2500 milligrams to grams.

Grams=2500×0.001=2.5 grams

Grams to Milligrams Conversion Table

Grams (g)Milligrams (mg)
1 g1000 mg
2 g2000 mg
3 g3000 mg
4 g4000 mg
5 g5000 mg
6 g6000 mg
7 g7000 mg
8 g8000 mg
9 g9000 mg
10 g10000 mg
20 g20000 mg
30 g30000 mg
40 g40000 mg
50 g50000 mg
60 g60000 mg
70 g70000 mg
80 g80000 mg
90 g90000 mg
100 g100000 mg

g to mg Conversion Chart

Milligrams to Grams Conversion Table

Milligrams (mg)Grams (g)
1 mg0.001 g
2 mg0.002 g
3 mg0.003 g
4 mg0.004 g
5 mg0.005 g
6 mg0.006 g
7 mg0.007 g
8 mg0.008 g
9 mg0.009 g
10 mg0.01 g
20 mg0.02 g
30 mg0.03 g
40 mg0.04 g
50 mg0.05 g
60 mg0.06 g
70 mg0.07 g
80 mg0.08 g
90 mg0.09 g
100 mg0.1 g

mg to g Conversion Chart

Differences Between Grams to Milligrams

AspectGrams (g)Milligrams (mg)
System of MeasurementMetric systemMetric system
Unit SizeLarger unit of massSmaller unit of mass
Conversion Factor1 gram = 1000 milligrams1 milligram = 0.001 grams
Common UseUsed for larger quantities like food, substances, and scientific measurementsUsed for smaller quantities like medication dosages and small scientific measurements
PrecisionLess precise for small measurementsMore precise for very small measurements
Weight CategoriesUsed for measuring items like flour, sugar, and other bulk goodsUsed for precise measurements in pharmaceuticals and lab work
Global AdoptionWidely used globallyWidely used globally
Historical OriginAdopted with the metric system in 1795Adopted with the metric system in 1795
Scientific UsagePreferred for larger samples in scientific researchPreferred for small, precise samples in scientific research

1. Solved Examples on Converting Grams to Milligrams

Example 1

Problem: Convert 2 grams to milligrams.

Solution: Milligrams=2×1000=2000 milligrams

2 grams is equal to 2000 milligrams.

Example 2

Problem: Convert 5 grams to milligrams.

Solution: Milligrams=5×1000=5000 milligrams

5 grams is equal to 5000 milligrams.

Example 3

Problem: Convert 10 grams to milligrams.

Solution: Milligrams=10×1000=10000 milligrams

10 grams is equal to 10000 milligrams.

Example 4

Problem: Convert 0.5 grams to milligrams.

Solution: Milligrams=0.5×1000=500 milligrams

0.5 grams is equal to 500 milligrams.

Example 5

Problem: Convert 0.75 grams to milligrams.

Solution: Milligrams=0.75×1000=750 milligrams

0.75 grams is equal to 750 milligrams.

2. Solved Examples on Converting Milligrams to Grams

Example 1

Problem: Convert 2000 milligrams to grams.

Solution: Grams=2000×0.001=2 grams

2000 milligrams is equal to 2 grams.

Example 2

Problem: Convert 5000 milligrams to grams.

Solution: Grams=5000×0.001=5 grams

5000 milligrams is equal to 5 grams.

Example 3

Problem: Convert 10000 milligrams to grams.

Solution: Grams=10000×0.001=10 grams

10000 milligrams is equal to 10 grams.

Example 4

Problem: Convert 750 milligrams to grams.

Solution: Grams=750×0.001=0.75 grams

750 milligrams is equal to 0.75 grams.

Example 5

Problem: Convert 1500 milligrams to grams.

Solution: Grams=1500×0.001=1.5 grams

1500 milligrams is equal to 1.5 grams.

How can I ensure accuracy when converting grams to milligrams?

To ensure accuracy, use a reliable conversion factor (1000) and a precise calculator or conversion tool. For critical measurements, double-check your calculations.

What are common uses for converting grams to milligrams?

Converting grams to milligrams is commonly used in fields requiring precise measurements, such as chemistry, pharmacy, and cooking, where small quantities of a substance need to be measured accurately.

Is there an easy way to remember the conversion factor?

One way to remember the conversion factor is to note that “milli” means one-thousandth, so there are 1000 milligrams in a gram.

Are grams and milligrams used interchangeably in any industries?

Yes, in the pharmaceutical industry, both grams and milligrams are frequently used to measure medication dosages, with conversions often required to ensure accuracy.

Are there tools or apps available for converting grams to milligrams?

Yes, many tools and apps are available for converting grams to milligrams, including online calculators, smartphone apps, and conversion charts.