Milligrams to Carats (mg → ct)
Formula
1 mg = 0.004999999999999999 ctConversion Table
| mg | ct |
|---|---|
| 0 | 0 |
| 1.0000 | 0.0050000 |
| 2.0000 | 0.010000 |
| 3.0000 | 0.015000 |
| 4.0000 | 0.020000 |
| 5.0000 | 0.025000 |
| 6.0000 | 0.030000 |
| 7.0000 | 0.035000 |
| 8.0000 | 0.040000 |
| 9.0000 | 0.045000 |
| 10.000 | 0.050000 |
| 11.000 | 0.055000 |
| 12.000 | 0.060000 |
| 13.000 | 0.065000 |
| 14.000 | 0.070000 |
| 15.000 | 0.075000 |
| 16.000 | 0.080000 |
| 17.000 | 0.085000 |
| 18.000 | 0.090000 |
| 19.000 | 0.095000 |
| mg | ct |
|---|---|
| 20.000 | 0.10000 |
| 21.000 | 0.10500 |
| 22.000 | 0.11000 |
| 23.000 | 0.11500 |
| 24.000 | 0.12000 |
| 25.000 | 0.12500 |
| 26.000 | 0.13000 |
| 27.000 | 0.13500 |
| 28.000 | 0.14000 |
| 29.000 | 0.14500 |
| 30.000 | 0.15000 |
| 31.000 | 0.15500 |
| 32.000 | 0.16000 |
| 33.000 | 0.16500 |
| 34.000 | 0.17000 |
| 35.000 | 0.17500 |
| 36.000 | 0.18000 |
| 37.000 | 0.18500 |
| 38.000 | 0.19000 |
| 39.000 | 0.19500 |
| mg | ct |
|---|---|
| 40.000 | 0.20000 |
| 41.000 | 0.20500 |
| 42.000 | 0.21000 |
| 43.000 | 0.21500 |
| 44.000 | 0.22000 |
| 45.000 | 0.22500 |
| 46.000 | 0.23000 |
| 47.000 | 0.23500 |
| 48.000 | 0.24000 |
| 49.000 | 0.24500 |
| 50.000 | 0.25000 |
| 51.000 | 0.25500 |
| 52.000 | 0.26000 |
| 53.000 | 0.26500 |
| 54.000 | 0.27000 |
| 55.000 | 0.27500 |
| 56.000 | 0.28000 |
| 57.000 | 0.28500 |
| 58.000 | 0.29000 |
| 59.000 | 0.29500 |
| mg | ct |
|---|---|
| 60.000 | 0.30000 |
| 61.000 | 0.30500 |
| 62.000 | 0.31000 |
| 63.000 | 0.31500 |
| 64.000 | 0.32000 |
| 65.000 | 0.32500 |
| 66.000 | 0.33000 |
| 67.000 | 0.33500 |
| 68.000 | 0.34000 |
| 69.000 | 0.34500 |
| 70.000 | 0.35000 |
| 71.000 | 0.35500 |
| 72.000 | 0.36000 |
| 73.000 | 0.36500 |
| 74.000 | 0.37000 |
| 75.000 | 0.37500 |
| 76.000 | 0.38000 |
| 77.000 | 0.38500 |
| 78.000 | 0.39000 |
| 79.000 | 0.39500 |
Milligrams to Carats Conversion
Converting Milligrams (mg) to Carats (ct) is a common weight conversion. 1 mg equals 0.005 ct. For example, 100 mg is equal to 0.5 ct.
Quick Mental Math: Milligrams to Carats
Divide by approximately 200 to convert milligrams to carats.
Why is converting Milligrams to Carats tricky?
The factor obscures the relationship between units.
Quick Reference Values
1 mg = 0.005 ct. 5 mg = 0.025 ct. 10 mg = 0.05 ct. 25 mg = 0.125 ct. 50 mg = 0.25 ct. 100 mg = 0.5 ct.
What is Milligrams?
Milligrams (mg) is a unit of weight. A milligram (mg) is a unit of mass equal to one-thousandth of a gram, or 10^-6 kilograms according to SI standards. It quantifies very small masses in pharmaceuticals, chemistry, and nutrition [bipm-si-brochure]. One milligram equals exactly 0.001 grams, facilitating precise mass measurement at micro scales. The gram was first defined in France in 1795 during the metric system adoption, with the milligram introduced as a decimal fraction. The kilogram and its subunits like the milligram were standardized internationally through the BIPM in the 20th century to ensure global consistency [bipm-si-brochure]. Milligrams are used globally in medicine for dosing drugs, in food labeling for nutrient content, and in laboratories for chemical analysis. Regulatory bodies such as the FDA and EMA require milligram precision in pharmaceutical labeling and standards [nist-si-guide].
What is Carats?
Carats (ct) is a unit of weight. A carat is a unit of mass equal to 200 milligrams (0.2 grams), used primarily for gemstones and pearls. It is internationally recognized and standardized by the International Bureau of Weights and Measures (BIPM) for trade and gemology. One carat equals exactly 0.2 grams according to ISO standards [bipm-si-brochure]. The carat originated from the carob seed, historically used as a reference mass. It was standardized in 1907 by the International Committee of Weights and Measures at 200 mg to ensure uniformity in gemstone trade and valuation [bipm-si-brochure]. Carats are globally used in the jewelry industry to weigh diamonds, sapphires, and other gemstones. Countries including the US, UK, Canada, and most of Europe rely on the carat for gemstone mass measurement, aligned with ISO and BIPM standards [bipm-si-brochure].
Common Misspellings
People often search for this conversion using these alternate spellings: miligrams, miligram, miligrm, mgm, carat, karat, carrots, carret. All of these refer to the Milligrams to Carats conversion.