Gram to Troy ounce Converter (and vice versa)

Created by: tinycalcs.com/en
Number of supported units: 2
Last update: 2026

This converter allows you to convert grams [g] to troy ounces [oz.tr.] or troy ounces [oz.tr.] to grams [g]. Calculations are performed in both directions. The calculation result and the entered value are displayed with up to 20 decimal places for maximum accuracy.

1 gram [g] ≈ 0.0322 troy ounces [oz.tr.]1 troy ounce [oz.tr.] ≈ 31.1035 grams [g]

Convert grams to troy ounces

There are two simple ways to convert grams [g] to troy ounces [oz.tr.]. In the first calculation method, the value in grams [g] is divided by the rounded conversion factor of 31.1035. The second method multiplies the value in grams [g] by the rounded conversion factor of 0.0322.

  • Troy ounces [oz.tr.] ≈ grams [g] ÷ 31.1035
  • Troy ounces [oz.tr.] ≈ grams [g] * 0.0322

However, rounded conversion values are only suitable for rough conversions, as rounding errors can occur in the calculation result. The most accurate conversion of grams [g] to troy ounces [oz.tr.] can be achieved using the following calculation method.

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

Convert troy ounces to grams

Converting troy ounces [oz.tr.] to grams [g] is easy and can be done in two ways. The first method involves multiplication, in which the value in troy ounces [oz.tr.] is multiplied by the rounded conversion factor of 31.1035. The second variant is a division. Here, the value in troy ounces [oz.tr.] is divided by the rounded conversion factor of 0.0322.

  • Grams [g] ≈ troy ounces [oz.tr.] * 31.1035
  • Grams [g] ≈ troy ounces [oz.tr.] ÷ 0.0322

However, rounded conversion values do not allow for exact calculations because rounding errors can occur in the calculation result. The most accurate conversion of troy ounces [oz.tr.] to grams [g] can be achieved using the following calculation method.

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

Converter

Decimal places

How it's calculated

Factor: 
≈ 31.103
Troy ounces = Grams ÷ 31.1034768
Grams = Troy ounces * 31.1034768

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