Milligrams to Pennyweights (mg → dwt)
Formula
1 mg = 0.0006430149313725595 dwtConversion Table
| mg | dwt |
|---|---|
| 0 | 0 |
| 1.0000 | 0.00064301 |
| 2.0000 | 0.0012860 |
| 3.0000 | 0.0019290 |
| 4.0000 | 0.0025721 |
| 5.0000 | 0.0032151 |
| 6.0000 | 0.0038581 |
| 7.0000 | 0.0045011 |
| 8.0000 | 0.0051441 |
| 9.0000 | 0.0057871 |
| 10.000 | 0.0064301 |
| 11.000 | 0.0070732 |
| 12.000 | 0.0077162 |
| 13.000 | 0.0083592 |
| 14.000 | 0.0090022 |
| 15.000 | 0.0096452 |
| 16.000 | 0.010288 |
| 17.000 | 0.010931 |
| 18.000 | 0.011574 |
| 19.000 | 0.012217 |
| mg | dwt |
|---|---|
| 20.000 | 0.012860 |
| 21.000 | 0.013503 |
| 22.000 | 0.014146 |
| 23.000 | 0.014789 |
| 24.000 | 0.015432 |
| 25.000 | 0.016075 |
| 26.000 | 0.016718 |
| 27.000 | 0.017361 |
| 28.000 | 0.018004 |
| 29.000 | 0.018647 |
| 30.000 | 0.019290 |
| 31.000 | 0.019933 |
| 32.000 | 0.020576 |
| 33.000 | 0.021219 |
| 34.000 | 0.021863 |
| 35.000 | 0.022506 |
| 36.000 | 0.023149 |
| 37.000 | 0.023792 |
| 38.000 | 0.024435 |
| 39.000 | 0.025078 |
| mg | dwt |
|---|---|
| 40.000 | 0.025721 |
| 41.000 | 0.026364 |
| 42.000 | 0.027007 |
| 43.000 | 0.027650 |
| 44.000 | 0.028293 |
| 45.000 | 0.028936 |
| 46.000 | 0.029579 |
| 47.000 | 0.030222 |
| 48.000 | 0.030865 |
| 49.000 | 0.031508 |
| 50.000 | 0.032151 |
| 51.000 | 0.032794 |
| 52.000 | 0.033437 |
| 53.000 | 0.034080 |
| 54.000 | 0.034723 |
| 55.000 | 0.035366 |
| 56.000 | 0.036009 |
| 57.000 | 0.036652 |
| 58.000 | 0.037295 |
| 59.000 | 0.037938 |
| mg | dwt |
|---|---|
| 60.000 | 0.038581 |
| 61.000 | 0.039224 |
| 62.000 | 0.039867 |
| 63.000 | 0.040510 |
| 64.000 | 0.041153 |
| 65.000 | 0.041796 |
| 66.000 | 0.042439 |
| 67.000 | 0.043082 |
| 68.000 | 0.043725 |
| 69.000 | 0.044368 |
| 70.000 | 0.045011 |
| 71.000 | 0.045654 |
| 72.000 | 0.046297 |
| 73.000 | 0.046940 |
| 74.000 | 0.047583 |
| 75.000 | 0.048226 |
| 76.000 | 0.048869 |
| 77.000 | 0.049512 |
| 78.000 | 0.050155 |
| 79.000 | 0.050798 |
Milligrams to Pennyweights Conversion
Converting Milligrams (mg) to Pennyweights (dwt) is a common weight conversion. 1 mg equals 0.000643 dwt. For example, 100 mg is equal to 0.064301 dwt.
Quick Mental Math: Milligrams to Pennyweights
Divide by approximately 1600 to convert milligrams to pennyweights.
Why is converting Milligrams to Pennyweights tricky?
The large non-round factor is difficult to estimate mentally.
Quick Reference Values
1 mg = 0.000643 dwt. 5 mg = 0.003215 dwt. 10 mg = 0.00643 dwt. 25 mg = 0.016075 dwt. 50 mg = 0.032151 dwt. 100 mg = 0.064301 dwt.
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 Pennyweights?
Pennyweights (dwt) is a unit of weight. A pennyweight (dwt) is a unit of mass equal to 1.55517384 grams exactly. It is defined as one-twentieth of a troy ounce, making it 1/240th of a pound in the troy weight system used for precious metals [nist-si-guide]. The pennyweight is primarily used in the jewelry and precious metals industries for measuring small quantities of gold, silver, and gemstones. The pennyweight originated in medieval England as part of the troy weight system standardized in the 15th century. It was formally adopted for use in precious metals trades to provide consistent mass measurements [nist-si-guide]. Pennyweights remain in use primarily in the United States and the United Kingdom within jewelry, bullion trading, and pawn industries. International standards bodies acknowledge it as a non-SI unit still relevant in specific sectors [bipm-si-brochure].
Common Misspellings
People often search for this conversion using these alternate spellings: miligrams, miligram, miligrm, mgm, penny weight, pennywight, pennywate, penyweight. All of these refer to the Milligrams to Pennyweights conversion.