Troy ounce Converter

Created by: tinycalcs.com/en
Number of supported units: 26
Last update: 2026

The Troy ounce Converter supports 26 different weight units. This makes it possible to convert freely between troy ounces [oz.tr.], American, metric, and British weight units. All weight units are converted in real time and displayed with up to 20 decimal places, ensuring sufficient accuracy.


Conversion of troy ounces

In order to convert troy ounces [oz.tr.] into another weight unit, a conversion value is required. This value can be determined using a conversion table. However, the table is relatively large and confusing, making it difficult for inexperienced users to understand. The following tool provides a solution to this problem by allowing the rounded conversion values for troy ounces [oz.tr.] to be queried directly from the conversion table.

Determine conversion factor

≈ 32.1507
Calculation example:
Kilograms = Troy ounces * 31.1034768 ÷ 103
Troy ounces = Kilograms ÷ 31.1034768 * 103

Conversion between troy ounces and milligrams

A quick and precise conversion between troy ounces [oz.tr.] and milligrams [mg] is straightforward and requires only multiplication or division by 31,103.4768. The conversion from troy ounces [oz.tr.] to milligrams [mg] is done by multiplying the value in troy ounces [oz.tr.] by 31,103.4768. To reverse the conversion, divide the value in milligrams [mg] by 31,103.4768 to obtain troy ounces [oz.tr.].

  • Milligrams [mg] = troy ounces [oz.tr.] * 31,103.4768
  • Troy ounces [oz.tr.] = milligrams [mg] ÷ 31,103.4768

Conversion between troy ounces and centigrams

You can easily convert between centigrams [cg] and troy ounces [oz.tr.] using the formulas provided below. For accurate results, it is important to follow the correct order of mathematical operations.

  • Troy ounces [oz.tr.] = centigrams [cg] ÷ 3,110.34768
  • Centigrams [cg] = troy ounces [oz.tr.] * 3,110.34768

Conversion between troy ounces and decigrams

The fastest and easiest way to convert between decigrams [dg] and troy ounces [oz.tr.] is to use the converter above. Manual conversions are also possible and can be done using the formulas provided below.

  • Troy ounces [oz.tr.] = decigrams [dg] ÷ 311.034768
  • Decigrams [dg] = troy ounces [oz.tr.] * 311.034768

Conversion between troy ounces and grams

The two formulas below provide an easy way to convert between grams [g] and troy ounces [oz.tr.]. To ensure precise conversion results, it is important to follow the correct order of math operations.

  • Troy ounces [oz.tr.] = grams [g] ÷ 31.1034768
  • Grams [g] = troy ounces [oz.tr.] * 31.1034768

Conversion between troy ounces and kilograms

You can easily convert between kilograms [kg] and troy ounces [oz.tr.] using the formulas provided below. For accurate results, it is important to follow the correct order of mathematical operations.

  • Troy ounces [oz.tr.] = kilograms [kg] ÷ 31.1034768 * 103
  • Kilograms [kg] = troy ounces [oz.tr.] * 31.1034768 ÷ 103

Troy ounce

Decimal places

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American / British

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