Convert Pennyweights to Metric Tons
Convert Pennyweights (dwt) to Metric Tons (t) instantly and accurately.
Conversion Formula
t = dwt × 1.555173840e-6
About Pennyweights
A pennyweight (dwt or pwt) equals 24 grains or 1/20 of a troy ounce - approximately 1.555 grams. Its name derives from the weight of an English silver penny in the medieval period. Pennyweights are the standard unit used by jewellers and goldsmiths in North America for weighing precious metals: gold, silver, and platinum. When a jeweller quotes the gold weight of a ring or chain, they typically use pennyweights. Gold buyers, refiners, and scrap metal dealers quote prices per pennyweight (often abbreviated 'DWT') when appraising jewellery.
About Metric Tons
A metric ton (t), also called a tonne, equals exactly 1,000 kilograms. It is the standard large mass unit in the international SI system, used worldwide for shipping, trade, agriculture, industry, and environmental monitoring. Global steel production, grain harvests, CO₂ emissions, shipping freight, and oil production are all reported in millions of metric tonnes. A standard TEU shipping container can carry up to approximately 28 metric tonnes of cargo. Carbon footprint calculators express emissions in CO₂ equivalent tonnes (tCO₂e).
Quick Reference Table
| Pennyweights (dwt) | Metric Tons (t) |
|---|---|
| 1 dwt | 1.555 × 10-6 t |
| 2 dwt | 3.11 × 10-6 t |
| 5 dwt | 7.776 × 10-6 t |
| 10 dwt | 1.555 × 10-5 t |
| 25 dwt | 3.888 × 10-5 t |
| 50 dwt | 7.776 × 10-5 t |
| 100 dwt | 0.000155517 t |