Milligram to Gram Converter

Instant, two-way conversion across common engineering units.

Free

1 mg = 0.001 g(MilligramGram)

Recent conversions
Your last five conversions will appear here.

Converting milligrams to grams

To convert milligrams to grams, multiply the value by 0.001. Mass conversions support load take-offs, steel tonnage and transport limits, where imperial and metric figures often appear in the same package.

Visual scale

To scale
1 milligram = 0.001 grams.
1 gram = 1,000 milligrams.= 1K milligrams

Milligram (mg)

The milligram (mg) is one thousandth of a gram.

Origin
A decimal subdivision of the SI kilogram.
Where it is used
Used in material testing, chemistry and admixture dosing.
Relation to SI
1 mg = 0.000001 kg.

Gram (g)

The gram (g) is one thousandth of a kilogram.

Origin
A decimal subdivision of the SI base unit of mass.
Where it is used
Used for sample masses, coatings, fabrics and product weights.
Relation to SI
1 g = 0.001 kg exactly.

Frequently asked questions

How many grams are in one milligram?

1 mg equals 0.001 g.

How do I convert milligrams to grams?

Multiply the value by 0.001. For example, 10 mg equals 0.01 g.

How do I convert back from grams to milligrams?

1 g equals 1,000 mg. The converter above works in both directions, so you can type into either field.

Is this converting mass or weight?

Mass. Kilograms and pounds measure mass; force units such as newtons or kilonewtons are a separate quantity used in structural load calculations.

What is the difference between a US ton and a metric tonne?

A US short ton is 2,000 lb, about 907 kg, while a metric tonne is exactly 1,000 kg. The imperial long ton is 2,240 lb, about 1,016 kg.

Is this mass converter free to use?

Yes. Every unit conversion runs in your browser, needs no account and is free for professional use.

Related conversions