Convert Long Hundredweights to Kilotonnes
Convert Long Hundredweights (long cwt) to Kilotonnes (kt) instantly and accurately.
Conversion Formula
kt = long cwt × 5.080234544e-5
About Long Hundredweights
A long hundredweight (long cwt) equals 112 pounds or approximately 50.802 kg - equal to 8 stone. The standard hundredweight in the United Kingdom and much of its historical trading sphere, it reflects the medieval English stone of 14 lb (8 × 14 = 112). British agricultural commodity prices, wool trade records, and livestock market reports historically used long hundredweights. The UK meat trade still occasionally references hundredweights in wholesale pricing.
About Kilotonnes
A kilotonne (kt) equals 1,000 metric tonnes (10⁶ kg). In military and geopolitical contexts, nuclear weapon yields are expressed in kilotons of TNT equivalent (kt TNT): the atomic bomb dropped on Hiroshima had a yield of approximately 15 kt TNT. Environmental science uses kilotonnes for reporting regional greenhouse gas inventories, industrial pollutant releases, and annual waste generation. Mining operations quote ore extraction rates in kilotonnes per day. The global atmospheric inventory of various trace gases is reported in kilotonnes.
Quick Reference Table
| Long Hundredweights (long cwt) | Kilotonnes (kt) |
|---|---|
| 1 long cwt | 5.08 × 10-5 kt |
| 2 long cwt | 0.000101605 kt |
| 5 long cwt | 0.000254012 kt |
| 10 long cwt | 0.000508023 kt |
| 25 long cwt | 0.00127006 kt |
| 50 long cwt | 0.00254012 kt |
| 100 long cwt | 0.00508023 kt |