To convert pennyweights to tonnes, multiply the value by 1.55517 × 10⁻⁶. To go the other way, multiply tonnes by 643,015 to get pennyweights.
| Pennyweights (dwt) | Tonnes (Metric Tons) (t) |
|---|---|
| 1 dwt | 1.55517 × 10⁻⁶ t |
| 5 dwt | 7.77587 × 10⁻⁶ t |
| 10 dwt | 1.55517 × 10⁻⁵ t |
| 25 dwt | 3.88793 × 10⁻⁵ t |
| 50 dwt | 7.77587 × 10⁻⁵ t |
| 100 dwt | 0.000155517 t |
| 250 dwt | 0.000388793 t |
| 500 dwt | 0.000777587 t |
| 1,000 dwt | 0.00155517 t |
| 2,500 dwt | 0.00388793 t |
| 5,000 dwt | 0.00777587 t |
| 10,000 dwt | 0.0155517 t |
| 100,000 dwt | 0.155517 t |
| 1,000,000 dwt | 1.55517 t |
Pennyweight (dwt). A pennyweight is 1/20 of a troy ounce (1.555 g), used by jewellers.
Tonne (t). A tonne (metric ton) is 1,000 kilograms, used for vehicles, cargo, steel and crops.
There are 1.55517 × 10⁻⁶ tonnes in one pennyweight.
Multiply the number of pennyweights by 1.55517 × 10⁻⁶. For example, 10 pennyweights equal 1.55517 × 10⁻⁵ tonnes.
One tonne equals 643,015 pennyweights.
0.00155517 tonnes. Other common values: 100 pennyweights = 0.000155517 tonnes and 10,000 pennyweights = 0.0155517 tonnes.