Troy Ounces to Kilograms Converter
Enter the weight in troy ounces below to convert it to kilograms.
Convert Troy Ounces to Kilograms
Enter a value in troy ounces (oz t) to convert to kilograms (kg).
Troy Ounce to Kilogram Conversion Table
Table showing various troy ounce measurements converted to kilograms. Click any preset value or arrow to load it into the converter.
| Troy Ounces (oz t) | Kilograms (kg) |
|---|---|
| 1 oz t | 0.0311035 kg |
| 2 oz t | 0.062207 kg |
| 2.5 oz t | 0.0777587 kg |
| 5 oz t | 0.1555174 kg |
| 10 oz t | 0.3110348 kg |
| 15 oz t | 0.4665522 kg |
| 20 oz t | 0.6220695 kg |
| 25 oz t | 0.7775869 kg |
| 30 oz t | 0.9331043 kg |
| 50 oz t | 1.5551738 kg |
How to Convert Troy Ounces to Kilograms
To convert troy ounces to kilograms, multiply the weight by the following conversion ratio: 0.0311035 kilograms/troy ounce.
Since one troy ounce is equal to 0.0311035 kilograms, you can use this simple formula to convert:
The weight in kilograms is equal to the weight in troy ounces multiplied by 0.0311035.
For example, here's how to convert 5 troy ounces to kilograms using the formula above.
How Many Kilograms Are in a Troy Ounce?
There are 0.0311035 kilograms in a troy ounce, which is why we use this value in the formula above.
Our troy ounce to kilogram calculator automatically converts your weight measurements with full decimal and scientific precision across US customary, imperial, and SI metric standards.
Troy Ounces and kilograms are both units used to measure weight. Keep reading to learn more about each unit.
What Is a Troy Ounce?
A troy ounce is a unit of weight equal to 0.0311035 kilograms (kg), the base unit for weight. Precious metal (gold, silver, platinum) mass standard equal to 480 grains or exactly 31.1034768 grams. [1]
The troy ounce is classified as a standard unit of weight. Troy Ounces can be abbreviated as oz t; for example, 1 troy ounce can be written as 1 oz t.
When working with troy ounces (oz t) in formulas or technical specifications, always verify whether your target system uses SI metric, US customary, or British imperial standards.
In practice, troy ounces (oz t) are widely used across standard weight applications within international standard workflows, engineering documentation, and technical data sheets.
What Is a Kilogram?
The fundamental SI unit of mass. It serves as a primary reference unit for measuring weight across scientific and practical applications. [2]
The kilogram is classified as an International System of Units (SI) unit of weight. Kilograms can be abbreviated as kg; for example, 1 kilogram can be written as 1 kg.
Although the name "kilogram" begins with the SI prefix "kilo" (1,000 grams), the kilogram (kg) is the sole SI base unit whose definition includes a prefix for historical reasons established by the BIPM.
In practice, kilograms (kg) are widely used across standard weight applications within International System of Units (SI) workflows, engineering documentation, and technical data sheets.
When converting weight between troy ounces (oz t) and kilograms (kg), keep full floating-point precision (1 oz t = 0.0311035 kg; 1 kg = 32.1507466 oz t) during intermediate calculations and round only the final kilogram figure to match your instrument tolerance.
More Troy Ounce & Kilogram Conversions
Need to calculate in the opposite direction? Use our kilograms to troy ounces calculator to switch your starting unit immediately. You can also explore related tools such as converting kilograms to troy ounces, converting pounds to kilograms, or converting grams to kilograms.
Convert from Troy Ounces
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Frequently Asked Questions
References
- [1]NIST OWM StandardNIST OWM (SI Units — Mass)·Mass & Weight Metrology Standard — Troy Ounces (oz t) to Kilograms (kg)
- [2]NIST HB 44 SpecificationNIST HB 44 (NIST Handbook 44 (Current Ed.))·Unit Specifications: Troy Ounce (oz t) & Kilogram (kg)
- [3]BIPM ReferenceBIPM (SI Base Unit: Kilogram (kg))·Conversion Factors & Mathematical Basis (oz t to kg)