At One Place

Milligrams to carats

1 milligram in carats
1 mg = 0.005 ct
ct = mg × 0.005

To convert milligrams to carats, multiply by 0.005. The table below gives the values people look up most often, and the converter works for any number.

Milligrams to carats table

Common milligram values converted to carats.
Milligrams Carats
1 mg 0.005
2 mg 0.01
3 mg 0.015
4 mg 0.02
5 mg 0.025
10 mg 0.05
15 mg 0.075
20 mg 0.1
25 mg 0.125
30 mg 0.15
40 mg 0.2
50 mg 0.25
75 mg 0.375
100 mg 0.5
250 mg 1.25
500 mg 2.5
1,000 mg 5

How the conversion works

The relationship is ct = mg × 0.005. Both units measure mass, so the conversion is a fixed factor that never changes.

Common questions

How many carats are in one milligram?
One milligram equals 0.005 carats. ct = mg × 0.005.
How do you convert milligrams to carats?
Use ct = mg × 0.005. So 10 mg is 0.05 ct.
How many milligrams are in one carat?
One carat equals 200 milligrams, which is the reverse of the conversion above.

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