⚖️ Weight & Mass
pennyweights (dwt) to grams Converter
Convert pennyweights (dwt) to grams instantly with a reference table.
Quick answer: To convert pennyweights (dwt) to grams, multiply by 1.55517. For example, 1 pennyweights (dwt) = 1.55517 grams. Use the calculator below for any value.
pennyweights (dwt) to grams
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Common conversions
| pennyweights (dwt) | grams |
|---|
Formula:
How to convert pennyweights (dwt) to grams
1
Enter your value
Type the number of pennyweights (dwt) you want to convert into the left box. The result in grams appears instantly in the right box. You can also type into the right box to convert in the other direction.
2
Use the swap button
Click the ⇄ Swap button to reverse the conversion — grams to pennyweights (dwt). Your current value carries across so you don't have to re-enter anything.
3
About pennyweights (dwt) and grams
pennyweights (dwt) and grams are both weight measurements.
💡 Did you know?
1 pennyweight (dwt) = 1/20 troy oz = 1.5552 g. Still used by US jewellers and dentists. The pennyweight was originally the weight of a British penny in the medieval Tower system. In the UK, jewellers now use grams or troy ounces.
📊 Common conversions at a glance
| pennyweights (dwt) | grams |
|---|---|
| 1 | 1.555 |
| 2 | 3.11 |
| 5 | 7.776 |
| 10 | 15.55 |
| 20 | 31.1 |
| 50 | 77.76 |
Reviewed for 2026. pennyweights (dwt) ↔ grams conversion factor verified against published reference data. Built by a UK-based qualified primary teacher and FA Level 2 coach as part of 247QuickTools' free utility-tools project.