Convert ounces to Pennyweight
Western Europe · European Weight · active · modern
Conventional value The unit is customary but its modern value is settled and widely cited; the arithmetic itself is exact.
1 ounce = 18.2292 Pennyweight
Pennyweight = ounces × 18.229212
Convert any amount
ounces to Pennyweight table
| ounces | Pennyweight |
|---|---|
| 0.25 ounces | 4.5573 Pennyweight |
| 0.5 ounces | 9.11461 Pennyweight |
| 1 ounce | 18.2292 Pennyweight |
| 2 ounces | 36.4584 Pennyweight |
| 3 ounces | 54.6876 Pennyweight |
| 4 ounces | 72.9168 Pennyweight |
| 5 ounces | 91.1461 Pennyweight |
| 10 ounces | 182.292 Pennyweight |
| 20 ounces | 364.584 Pennyweight |
| 25 ounces | 455.73 Pennyweight |
| 50 ounces | 911.461 Pennyweight |
| 100 ounces | 1,822.92 Pennyweight |
About the Pennyweight
1 Troy Ounce = 20 Pennyweight.
- Symbol
- dwt
- Value in SI
- 1 Pennyweight = 0.00155517 kilogram
- Typical use
- jewellery
- Source
- UnitConvertLab measurement atlas
Every atlas conversion routes through the SI kilogram. See our methodology and data provenance pages for how these values are sourced and verified.
Related units and variant risk
Other european weight units in the Western Europe family, least settled first. If your figure came from a land record, invoice or historical document rather than a calculator, check these before assuming a single standard.
Related conversions
Frequently asked
How many Pennyweight are in a ounce?
1 ounce = 18.2292 Pennyweight. Multiply the number of ounces by 18.229212 to get Pennyweight.
What is Pennyweight used for?
1 Troy Ounce = 20 Pennyweight. It is classified as active and dates from the modern period.
Is the Pennyweight value exact?
Yes for practical purposes. UnitConvertLab converts every atlas unit through the SI kilogram, so the arithmetic itself introduces no rounding beyond the digits shown.
How reliable is this Pennyweight conversion?
Conventional value — The unit is customary but its modern value is settled and widely cited; the arithmetic itself is exact. Source: UnitConvertLab measurement atlas.
Cite this page
UnitConvertLab. (2026). Convert ounces to Pennyweight. UnitConvertLab. Retrieved from https://unitconvertlab.com/regional/ounce-to-pennyweight
Report an incorrect value or source
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