Carat (metric) to Pennyweight (ct → dwt)
Convert carat (metric) to pennyweight instantly. The conversion factor below is exact by international definition.
Realtime·mass·metric
Exact
ct
× 0.1286
dwt
0.128603
Precision [auto]
6
📐ct to dwt formulaExact
dwt = ct × 0.128602986275
Inverse: ct = dwt × 7.7758692
Worked example: 1 ct = 0.128602986275 dwt
ℹ️About these units
Carat (metric) (ct)
Gemstones; 1 ct = 200 mg exact.
Pennyweight (dwt)
📊Reference table: ct → dwt
| Carat (metric) (ct) | Pennyweight (dwt) |
|---|---|
| 1 | 0.128603 |
| 2 | 0.257206 |
| 5 | 0.643015 |
| 10 | 1.286 |
| 15 | 1.929 |
| 20 | 2.5721 |
| 25 | 3.2151 |
| 50 | 6.4301 |
| 100 | 12.8603 |
| 250 | 32.1507 |
| 500 | 64.3015 |
| 750 | 96.4522 |
| 1,000 | 128.603 |
Want a downloadable CSV? Append ?format=csv to the API /api/v1/table endpoint.
🔁Reverse & related
🔌API & widget
GET https://convertnavi.com/api/v1/convert?value=10&from=carat&to=pennyweightEmbed this converter
<div data-convertnavi="carat->pennyweight"></div>
<script async src="https://convertnavi.com/embed.js"></script>