Convert Troy Ounce to kilograms
Western Europe · European Weight · active · modern
Conventional value The unit is customary but its modern value is settled and widely cited; the arithmetic itself is exact.
1 Troy Ounce = 0.0311035 kilograms
kilograms = Troy Ounce × 0.0311035
Convert any amount
Troy Ounce to kilograms table
| Troy Ounce | kilograms |
|---|---|
| 0.25 Troy Ounce | 0.00777587 kilograms |
| 0.5 Troy Ounce | 0.0155517 kilograms |
| 1 Troy Ounce | 0.0311035 kilograms |
| 2 Troy Ounce | 0.062207 kilograms |
| 3 Troy Ounce | 0.0933105 kilograms |
| 4 Troy Ounce | 0.124414 kilograms |
| 5 Troy Ounce | 0.155518 kilograms |
| 10 Troy Ounce | 0.311035 kilograms |
| 20 Troy Ounce | 0.62207 kilograms |
| 25 Troy Ounce | 0.777587 kilograms |
| 50 Troy Ounce | 1.55517 kilograms |
| 100 Troy Ounce | 3.11035 kilograms |
About the Troy Ounce
International precious metal standard. 1 oz t = 31.1035g.
- Symbol
- oz t
- Value in SI
- 1 Troy Ounce = 0.0311035 kilogram
- Typical use
- precious-metals, jewellery
- Source
- UnitConvertLab measurement atlas
Every atlas conversion routes through the SI kilogram. See our methodology and data provenance pages for how these values are sourced and verified.
Related units and variant risk
Other european weight units in the Western Europe family, least settled first. If your figure came from a land record, invoice or historical document rather than a calculator, check these before assuming a single standard.
Related conversions
Frequently asked
How many kilograms are in a Troy Ounce?
1 Troy Ounce = 0.0311035 kilograms. Multiply the number of Troy Ounce by 0.0311035 to get kilograms.
What is Troy Ounce used for?
International precious metal standard. 1 oz t = 31.1035g. It is classified as active and dates from the modern period.
Is the Troy Ounce value exact?
Yes for practical purposes. UnitConvertLab converts every atlas unit through the SI kilogram, so the arithmetic itself introduces no rounding beyond the digits shown.
How reliable is this Troy Ounce conversion?
Conventional value — The unit is customary but its modern value is settled and widely cited; the arithmetic itself is exact. Source: UnitConvertLab measurement atlas.
Cite this page
UnitConvertLab. (2026). Convert Troy Ounce to kilograms. UnitConvertLab. Retrieved from https://unitconvertlab.com/regional/troy-ounce-to-kilogram
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