Convert Troy Ounces to Kilotonnes
Convert Troy Ounces (ozt) to Kilotonnes (kt) instantly and accurately.
Conversion Formula
kt = ozt × 3.110347680e-8
About Troy Ounces
The troy ounce (ozt or oz t) is the global standard for weighing and pricing precious metals - gold, silver, platinum, and palladium. Equal to 31.1034768 grams (about 10% heavier than the avoirdupois ounce), it originates from the medieval fair at Troyes, France, where a standardised weight system facilitated international trade. All gold spot prices quoted on financial markets (LBMA, COMEX, MCX) are priced per troy ounce. A standard 'Good Delivery' gold bar approved by the London Bullion Market Association weighs approximately 400 troy ounces (12.4 kg).
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
| Troy Ounces (ozt) | Kilotonnes (kt) |
|---|---|
| 1 ozt | 3.11 × 10-8 kt |
| 2 ozt | 6.221 × 10-8 kt |
| 5 ozt | 1.555 × 10-7 kt |
| 10 ozt | 3.11 × 10-7 kt |
| 25 ozt | 7.776 × 10-7 kt |
| 50 ozt | 1.555 × 10-6 kt |
| 100 ozt | 3.11 × 10-6 kt |