Pennyweights to Kilograms (dwt → kg)
Formula
1 dwt = 0.00155517384 kgConversion Table
| dwt | kg |
|---|---|
| 0 | 0 |
| 1.0000 | 0.0015552 |
| 2.0000 | 0.0031103 |
| 3.0000 | 0.0046655 |
| 4.0000 | 0.0062207 |
| 5.0000 | 0.0077759 |
| 6.0000 | 0.0093310 |
| 7.0000 | 0.010886 |
| 8.0000 | 0.012441 |
| 9.0000 | 0.013997 |
| 10.000 | 0.015552 |
| 11.000 | 0.017107 |
| 12.000 | 0.018662 |
| 13.000 | 0.020217 |
| 14.000 | 0.021772 |
| 15.000 | 0.023328 |
| 16.000 | 0.024883 |
| 17.000 | 0.026438 |
| 18.000 | 0.027993 |
| 19.000 | 0.029548 |
| dwt | kg |
|---|---|
| 20.000 | 0.031103 |
| 21.000 | 0.032659 |
| 22.000 | 0.034214 |
| 23.000 | 0.035769 |
| 24.000 | 0.037324 |
| 25.000 | 0.038879 |
| 26.000 | 0.040435 |
| 27.000 | 0.041990 |
| 28.000 | 0.043545 |
| 29.000 | 0.045100 |
| 30.000 | 0.046655 |
| 31.000 | 0.048210 |
| 32.000 | 0.049766 |
| 33.000 | 0.051321 |
| 34.000 | 0.052876 |
| 35.000 | 0.054431 |
| 36.000 | 0.055986 |
| 37.000 | 0.057541 |
| 38.000 | 0.059097 |
| 39.000 | 0.060652 |
| dwt | kg |
|---|---|
| 40.000 | 0.062207 |
| 41.000 | 0.063762 |
| 42.000 | 0.065317 |
| 43.000 | 0.066872 |
| 44.000 | 0.068428 |
| 45.000 | 0.069983 |
| 46.000 | 0.071538 |
| 47.000 | 0.073093 |
| 48.000 | 0.074648 |
| 49.000 | 0.076204 |
| 50.000 | 0.077759 |
| 51.000 | 0.079314 |
| 52.000 | 0.080869 |
| 53.000 | 0.082424 |
| 54.000 | 0.083979 |
| 55.000 | 0.085535 |
| 56.000 | 0.087090 |
| 57.000 | 0.088645 |
| 58.000 | 0.090200 |
| 59.000 | 0.091755 |
| dwt | kg |
|---|---|
| 60.000 | 0.093310 |
| 61.000 | 0.094866 |
| 62.000 | 0.096421 |
| 63.000 | 0.097976 |
| 64.000 | 0.099531 |
| 65.000 | 0.10109 |
| 66.000 | 0.10264 |
| 67.000 | 0.10420 |
| 68.000 | 0.10575 |
| 69.000 | 0.10731 |
| 70.000 | 0.10886 |
| 71.000 | 0.11042 |
| 72.000 | 0.11197 |
| 73.000 | 0.11353 |
| 74.000 | 0.11508 |
| 75.000 | 0.11664 |
| 76.000 | 0.11819 |
| 77.000 | 0.11975 |
| 78.000 | 0.12130 |
| 79.000 | 0.12286 |
Pennyweights to Kilograms Conversion
Converting Pennyweights (dwt) to Kilograms (kg) is a common weight conversion. 1 dwt equals 0.001555 kg. For example, 100 dwt is equal to 0.155517 kg.
Quick Mental Math: Pennyweights to Kilograms
Divide by approximately 640 to convert pennyweights to kilograms.
Why is converting Pennyweights to Kilograms tricky?
The factor obscures the relationship between units.
Quick Reference Values
1 dwt = 0.001555 kg. 5 dwt = 0.007776 kg. 10 dwt = 0.015552 kg. 25 dwt = 0.038879 kg. 50 dwt = 0.077759 kg. 100 dwt = 0.155517 kg.
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].
What is Kilograms?
Kilograms (kg) is a unit of weight. The kilogram is the SI base unit of mass, defined by the Planck constant fixed at exactly 6.62607015×10⁻³⁴ joule seconds. It represents the mass equal to that of the International Prototype Kilogram and is the only SI base unit still defined by a physical constant rather than a physical artifact [bipm-si-brochure]. The kilogram originated in 1795 as the mass of one liter of water at 4 °C. It was redefined in 2019 using the Planck constant to ensure long-term stability and universality, replacing the physical prototype standard maintained by the BIPM [bipm-si-brochure]. Kilograms are the primary unit of mass in nearly all countries, used in science, commerce, and industry. The SI system, adopted globally, mandates kilogram usage in trade, health, and manufacturing sectors [nist-si-guide].
Common Misspellings
People often search for this conversion using these alternate spellings: penny weight, pennywight, pennywate, penyweight, kilo, kilogramme, kilogramm, kilograms. All of these refer to the Pennyweights to Kilograms conversion.