Convert Kilogram to Troy Ounce
Convert kilograms to troy ounces instantly. 1 kilogram = 32.1507465686 troy ounce — use the live calculator, the exact formula, a conversion table and worked examples. Also check the Troy Ounce to Kilogram converter for the reverse conversion.
Units explained
Kilogram
The kilogram (kg) is the SI base unit of mass, defined by fixing the Planck constant h at 6.62607015E-34 J s.
From Greek 'khilioi' (thousand) plus 'gramma' (small weight).
The worldwide base unit of mass in science, commerce, and everyday life.
Adopted in 1795; redefined through the Planck constant on 20 May 2019.
Troy Ounce
The troy ounce (ozt) equals about 31.103 grams, one-twelfth of a troy pound.
From the Troy system of weights associated with Troyes, France.
The global standard for pricing gold, silver, platinum, and palladium.
Established in the medieval Troy system and retained for precious metals.
Kilogram to Troy Ounce conversion formula
The relationship between kilograms and troy ounces:
To convert kilograms to troy ounces, multiply the value in kilograms by 32.1507465686. To reverse, multiply troy ounces by 0.0311034768.
How to use this converter
Type a value into the calculator. The result in troy ounces updates as you type. Tap a quick value, copy the result with one click, or use the swap arrow to jump straight to the Troy Ounce to Kilogram converter for the reverse direction.
Step-by-step: convert kilograms to troy ounces
- Write down the value in kilograms (kg).
- Multiply that value by the factor 32.1507465686.
- The product is the equivalent value in troy ounces (oz t).
- To reverse, multiply the troy ounce value by 0.0311034768.
Worked examples
Example 1 — Convert 1 kg to oz t:
1 × 32.1507465686 = 32.1507465686 oz t
Example 2 — Convert 100 kg to oz t:
100 × 32.1507465686 = 3215.0746568628 oz t
Real-world example — Pet and accessory dimensions
A 3-kilogram dog leash equals a tidy round value in troy ounces. Pet-supply shopping frequently mixes the two units across product specifications.
3 kg × 32.1507465686 = 96.4522397059 oz t
Real-world example — Fabric and tailoring
One kilogram of fabric converts to a value in troy ounces commonly used for seam allowances. Garment patterns frequently switch between the two units on a single instruction sheet.
1 kg × 32.1507465686 = 32.1507465686 oz t
Real-world example — Body height conversion (reverse direction)
You measure 1.75 kilograms tall and need to fill in a gym membership form or medical record that asks for height in troy ounces. This is the most-used everyday length conversion in metric-using countries.
1.75 kg × 32.1507465686 = 56.2638064951 oz t
Kilogram to Troy Ounce conversion table
Standard reference values for converting kilograms to troy ounces:
| Kilogram [kg] | Troy Ounce [oz t] |
|---|---|
| 0.01 | 0.3215074657 |
| 0.1 | 3.2150746569 |
| 1 | 32.1507465686 |
| 2 | 64.3014931373 |
| 3 | 96.4522397059 |
| 4 | 128.6029862745 |
| 5 | 160.7537328431 |
| 10 | 321.5074656863 |
| 20 | 643.0149313726 |
| 30 | 964.5223970588 |
| 40 | 1286.0298627451 |
| 50 | 1607.5373284314 |
| 100 | 3215.0746568628 |
| 500 | 16075.373284314 |
| 1000 | 32150.746568628 |
Frequently asked questions
How many troy ounces is 1 kilogram?
How do I convert kilograms to troy ounces?
How do I convert troy ounces back to kilograms?
How many troy ounces is 100 kilograms?
Popular weight unit conversions
Convert Kilogram to other weight units
Show all Kilogram conversions
Metric / SI (17 units)
Avoirdupois (15 units)
Troy & Apothecary (10 units)
Indian / South Asian (6 units)
Scientific / Atomic (9 units)
Astronomical (4 units)
Biblical / Ancient (14 units)
Sources & references
Conversion factor (1 kg = 32.1507465686 oz t) verified against the following authoritative sources:
- BIPM — The International System of Units (SI Brochure 9th ed.)
Official BIPM publication defining the seven SI base units (including the meter) and the rules for their use. The global authority on units of measurement.
- NIST — Guide to the SI
US National Institute of Standards and Technology reference covering the SI base and derived units with definitions and usage rules for US technical practice.
- NIST Special Publication 811 — Guide for the Use of the International System of Units
Detailed NIST guide covering exact conversion factors between SI and US customary units along with formatting and rounding conventions.
- NIST — Refinement of values for the yard and pound (Federal Register 1959)
The treaty (signed by US
- International Astronomical Union — System of Astronomical Constants
The IAU defines astronomical units including the AU (149597870700 m exactly) light-year and parsec used in astronomy and astrophysics.