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1.5 Carats in Milligrams (ct to mg)

1.5 ct = 300 mg

1.5 Carats equals 300 Milligrams (1.5 ct = 300 mg).

Quick Facts: Carats to Milligrams

Conversion
1.5 Carats = 300 Milligrams
Formula
Apply the conversion factor
Calculation
1.5 ct → 300 mg
Reverse
300 mg = 1.5 ct
Also equals
30 cg · 3 dg · 0.03 dag · 0.169 dr · 4.63 gr · 0.3 g · 0.003 hg · 300,000 μg

How Much Is 1.5 ct?

1.5 ct is roughly A premium engagement ring center stone

How to Convert Carats to Milligrams

mg = ct × 200
Multiply the value in Carats by 200
  1. Start with 1.5 ct
  2. Calculate 1.5 × 200
  3. The result is 300 mg

Worked example: 1.5 ct = 300 mg

Common Carats to Milligrams Conversions

Carats (ct) Milligrams (mg) Status
0.01 ct 2 mg
0.05 ct 10 mg
0.1 ct 20 mg
0.25 ct 50 mg
0.5 ct 100 mg
0.75 ct 150 mg
1 ct 200 mg
1.5 ct 300 mg Current
2 ct 400 mg
3 ct 600 mg
5 ct 1,000 mg
10 ct 2,000 mg
25 ct 5,000 mg
50 ct 10,000 mg
100 ct 20,000 mg
500 ct 100,000 mg

1.5 Carats in Other Units

Want to learn more? Read our complete Carats to Milligrams guide with formula, FAQ, and background info.