At One Place

1 mg to g

1 milligram in grams
1 mg = 0.001 g
g = mg × 0.001

1 milligram is 0.001 grams. To get there, multiply by 0.001.

Values either side

Milligrams near 1, converted to grams.
Milligrams Grams
0.5 mg 0.0005
1 mg ← 0.001
1.5 mg 0.0015
2 mg 0.002
2.5 mg 0.0025
3 mg 0.003

How the conversion works

The relationship is g = mg × 0.001. Both units measure mass, so the conversion is a fixed factor that never changes.

Common questions

What is 1 mg in grams?
1 mg is 0.001 g.
How do you convert milligrams to grams?
Multiply by 0.001.

Related pages

Sources

  1. Guide for the Use of the International System of Units (SP 811) — NIST (Public domain (US Government))
  2. The International System of Units (SI Brochure) — Bureau International des Poids et Mesures
  3. Calculated on this page — At One Place

How these figures are compiled and checked