Convert troy ounce to kilogram

Enter the value to convert from troy ounce to kilogram.

From:

oz t

To:

Result: 25 troy ounces (oz t) = 0.77758692 kilograms (kg)

Round to:

How to Convert Troy ounce to Kilogram

Converting troy ounce to kilogram is straightforward using our conversion calculator.

kg = oz t ÷ 32.1507465686

Reverse conversion: Convert kilogram to troy ounce

Definition: The kilogram (symbol: kg) is the SI base unit of mass, defined by fixing the Planck constant to exactly 6.62607015 × 10⁻³⁴ J⋅s.

History: Originally defined in 1795 as the mass of one liter of water. Redefined in 2019 using fundamental physical constants.

Current Use: Universal standard for mass measurement in science, commerce, and daily life worldwide except in the United States.

Examples: Human weight: 50-100 kg, bag of flour: 1-5 kg, car weight: 1000-2000 kg, laptop: 1-3 kg