Pennyweights to Ounces (dwt → oz)
Formula
1 dwt = 0.054857142857142854 ozConversion Table
| dwt | oz |
|---|---|
| 0 | 0 |
| 1.0000 | 0.054857 |
| 2.0000 | 0.10971 |
| 3.0000 | 0.16457 |
| 4.0000 | 0.21943 |
| 5.0000 | 0.27429 |
| 6.0000 | 0.32914 |
| 7.0000 | 0.38400 |
| 8.0000 | 0.43886 |
| 9.0000 | 0.49371 |
| 10.000 | 0.54857 |
| 11.000 | 0.60343 |
| 12.000 | 0.65829 |
| 13.000 | 0.71314 |
| 14.000 | 0.76800 |
| 15.000 | 0.82286 |
| 16.000 | 0.87771 |
| 17.000 | 0.93257 |
| 18.000 | 0.98743 |
| 19.000 | 1.0423 |
| dwt | oz |
|---|---|
| 20.000 | 1.0971 |
| 21.000 | 1.1520 |
| 22.000 | 1.2069 |
| 23.000 | 1.2617 |
| 24.000 | 1.3166 |
| 25.000 | 1.3714 |
| 26.000 | 1.4263 |
| 27.000 | 1.4811 |
| 28.000 | 1.5360 |
| 29.000 | 1.5909 |
| 30.000 | 1.6457 |
| 31.000 | 1.7006 |
| 32.000 | 1.7554 |
| 33.000 | 1.8103 |
| 34.000 | 1.8651 |
| 35.000 | 1.9200 |
| 36.000 | 1.9749 |
| 37.000 | 2.0297 |
| 38.000 | 2.0846 |
| 39.000 | 2.1394 |
| dwt | oz |
|---|---|
| 40.000 | 2.1943 |
| 41.000 | 2.2491 |
| 42.000 | 2.3040 |
| 43.000 | 2.3589 |
| 44.000 | 2.4137 |
| 45.000 | 2.4686 |
| 46.000 | 2.5234 |
| 47.000 | 2.5783 |
| 48.000 | 2.6331 |
| 49.000 | 2.6880 |
| 50.000 | 2.7429 |
| 51.000 | 2.7977 |
| 52.000 | 2.8526 |
| 53.000 | 2.9074 |
| 54.000 | 2.9623 |
| 55.000 | 3.0171 |
| 56.000 | 3.0720 |
| 57.000 | 3.1269 |
| 58.000 | 3.1817 |
| 59.000 | 3.2366 |
| dwt | oz |
|---|---|
| 60.000 | 3.2914 |
| 61.000 | 3.3463 |
| 62.000 | 3.4011 |
| 63.000 | 3.4560 |
| 64.000 | 3.5109 |
| 65.000 | 3.5657 |
| 66.000 | 3.6206 |
| 67.000 | 3.6754 |
| 68.000 | 3.7303 |
| 69.000 | 3.7851 |
| 70.000 | 3.8400 |
| 71.000 | 3.8949 |
| 72.000 | 3.9497 |
| 73.000 | 4.0046 |
| 74.000 | 4.0594 |
| 75.000 | 4.1143 |
| 76.000 | 4.1691 |
| 77.000 | 4.2240 |
| 78.000 | 4.2789 |
| 79.000 | 4.3337 |
Pennyweights to Ounces Conversion
Converting Pennyweights (dwt) to Ounces (oz) is a common weight conversion. 1 dwt equals 0.054857 oz. For example, 100 dwt is equal to 5.485714 oz.
Quick Mental Math: Pennyweights to Ounces
Divide by approximately 18.2 to convert pennyweights to ounces.
Why is converting Pennyweights to Ounces tricky?
The conversion factor is not intuitive or memorable.
Quick Reference Values
1 dwt = 0.054857 oz. 5 dwt = 0.274286 oz. 10 dwt = 0.548571 oz. 25 dwt = 1.371429 oz. 50 dwt = 2.742857 oz. 100 dwt = 5.485714 oz.
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 Ounces?
Ounces (oz) is a unit of weight. An ounce (oz) is a unit of mass primarily used in the United States and UK customary systems. One avoirdupois ounce equals exactly 28.349523125 grams as defined by NIST. This measure is commonly employed in food labeling, postal services, and retail [nist-sp-811]. The ounce originated from the Roman 'uncia,' a twelfth part of the Roman pound. The avoirdupois ounce was standardized in the 19th century by the international yard and pound agreement of 1959 to unify US and British definitions [nist-sp-811]. Ounces are widely used in the US for weight measurement in grocery, postal, and manufacturing sectors. The UK uses ounces in certain contexts like precious metals and food portions. Most other countries prefer grams and kilograms per SI [nist-sp-811].
Common Misspellings
People often search for this conversion using these alternate spellings: penny weight, pennywight, pennywate, penyweight, ounce, ounze, onze, ounch, ounz. All of these refer to the Pennyweights to Ounces conversion.