Micrograms to Carats (µg → ct)
Formula
1 µg = 0.000005 ctConversion Table
| µg | ct |
|---|---|
| 0 | 0 |
| 1.0000 | 0.0000050000 |
| 2.0000 | 0.000010000 |
| 3.0000 | 0.000015000 |
| 4.0000 | 0.000020000 |
| 5.0000 | 0.000025000 |
| 6.0000 | 0.000030000 |
| 7.0000 | 0.000035000 |
| 8.0000 | 0.000040000 |
| 9.0000 | 0.000045000 |
| 10.000 | 0.000050000 |
| 11.000 | 0.000055000 |
| 12.000 | 0.000060000 |
| 13.000 | 0.000065000 |
| 14.000 | 0.000070000 |
| 15.000 | 0.000075000 |
| 16.000 | 0.000080000 |
| 17.000 | 0.000085000 |
| 18.000 | 0.000090000 |
| 19.000 | 0.000095000 |
| µg | ct |
|---|---|
| 20.000 | 0.00010000 |
| 21.000 | 0.00010500 |
| 22.000 | 0.00011000 |
| 23.000 | 0.00011500 |
| 24.000 | 0.00012000 |
| 25.000 | 0.00012500 |
| 26.000 | 0.00013000 |
| 27.000 | 0.00013500 |
| 28.000 | 0.00014000 |
| 29.000 | 0.00014500 |
| 30.000 | 0.00015000 |
| 31.000 | 0.00015500 |
| 32.000 | 0.00016000 |
| 33.000 | 0.00016500 |
| 34.000 | 0.00017000 |
| 35.000 | 0.00017500 |
| 36.000 | 0.00018000 |
| 37.000 | 0.00018500 |
| 38.000 | 0.00019000 |
| 39.000 | 0.00019500 |
| µg | ct |
|---|---|
| 40.000 | 0.00020000 |
| 41.000 | 0.00020500 |
| 42.000 | 0.00021000 |
| 43.000 | 0.00021500 |
| 44.000 | 0.00022000 |
| 45.000 | 0.00022500 |
| 46.000 | 0.00023000 |
| 47.000 | 0.00023500 |
| 48.000 | 0.00024000 |
| 49.000 | 0.00024500 |
| 50.000 | 0.00025000 |
| 51.000 | 0.00025500 |
| 52.000 | 0.00026000 |
| 53.000 | 0.00026500 |
| 54.000 | 0.00027000 |
| 55.000 | 0.00027500 |
| 56.000 | 0.00028000 |
| 57.000 | 0.00028500 |
| 58.000 | 0.00029000 |
| 59.000 | 0.00029500 |
| µg | ct |
|---|---|
| 60.000 | 0.00030000 |
| 61.000 | 0.00030500 |
| 62.000 | 0.00031000 |
| 63.000 | 0.00031500 |
| 64.000 | 0.00032000 |
| 65.000 | 0.00032500 |
| 66.000 | 0.00033000 |
| 67.000 | 0.00033500 |
| 68.000 | 0.00034000 |
| 69.000 | 0.00034500 |
| 70.000 | 0.00035000 |
| 71.000 | 0.00035500 |
| 72.000 | 0.00036000 |
| 73.000 | 0.00036500 |
| 74.000 | 0.00037000 |
| 75.000 | 0.00037500 |
| 76.000 | 0.00038000 |
| 77.000 | 0.00038500 |
| 78.000 | 0.00039000 |
| 79.000 | 0.00039500 |
Micrograms to Carats Conversion
Converting Micrograms (µg) to Carats (ct) is a common weight conversion. 1 µg equals 0.000005 ct. For example, 100 µg is equal to 0.0005 ct.
Quick Mental Math: Micrograms to Carats
Divide by approximately 200000 to convert micrograms to carats.
Why is converting Micrograms to Carats tricky?
The large non-round factor is difficult to estimate mentally.
Quick Reference Values
1 µg = 0.000005 ct. 5 µg = 0.000025 ct. 10 µg = 0.00005 ct. 25 µg = 0.000125 ct. 50 µg = 0.00025 ct. 100 µg = 0.0005 ct.
What is Micrograms?
Micrograms (µg) is a unit of weight. A microgram is one millionth of a gram, or 10⁻⁶ grams, used to measure extremely small masses. This unit is precise for pharmaceuticals, environmental science, and chemistry applications requiring micro-scale mass quantification. It conforms to the SI prefix micro- indicating 10⁻⁶ [bipm-si-brochure]. The microgram unit originated with the formal adoption of SI prefixes by the CGPM in the 20th century to express very small masses conveniently. It standardized scientific and medical measurements worldwide [cgpm-resolutions]. Micrograms are universally used in pharmacology for drug dosages, in nutrition labels to indicate vitamin contents, and in environmental monitoring for pollutant levels. Regulatory agencies in the US, EU, and elsewhere reference the µg unit [nist-sp-811].
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: micro gram, microgramme, micogram, microgrm, carat, karat, carrots, carret. All of these refer to the Micrograms to Carats conversion.