Milligrams to Metric carats
1 mg = 0.005 ct. Edit either value to convert instantly.
Conversion formula
ct = mg × (0.000001) × (5,000)1 mg = 0.005 ct
milligram (mg)
One milligram equals exactly 0.000001 kg.
Source: BIPM SI Brochure, 9th edition — SI prefixes and accepted non-SI units
metric carat (ct)
A metric carat is exactly 0.2 g, or 0.0002 kg, and is used for gemstones.
Conversion table
| mg | ct |
|---|---|
| = 0.005 | |
| = 0.01 | |
| = 0.025 | |
| = 0.05 | |
| = 0.075 | |
| = 0.1 | |
| = 0.125 | |
| = 0.15 | |
| = 0.2 | |
| = 0.225 |
| mg | ct |
|---|---|
| = 0.25 | |
| = 0.3 | |
| = 0.35 | |
| = 0.4 | |
| = 0.45 | |
| = 0.5 | |
| = 0.75 | |
| = 0.8 | |
| = 0.85 | |
| = 0.9 |
Frequently asked questions
How many metric carats are in 1 milligram?
1 mg = 0.005 ct. ct = mg × (0.000001) × (5,000)
How do I convert mg to ct?
ct = mg × (0.000001) × (5,000)
Is 1 milligram bigger than 1 metric carat?
1 mg = 0.005 ct.
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