/convert/troy-ounces-to-grams/ Convert troy oz to grams instantly. Includes a reference table and formula. article troy oz to grams Converter — 247QuickTools ,{ "@context": "https://schema.org", "@type": "SpeakableSpecification", "cssSelector": [".tool-intro", ".info-gain-section"] }
⚖️ Weight & Mass

troy oz to grams Converter

Convert troy oz to grams instantly. Includes a reference table and formula.

Quick answer: To convert troy oz to grams, multiply by 31.1035. For example, 1 troy oz = 31.1035 grams. Use the calculator below for any value.
troy oz to grams
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Common conversions
troy oz grams
Formula:

How to convert troy oz to grams

1

Enter your value

Type the number of troy oz you want to convert into the left box. The result in grams appears instantly in the right box. You can also type into the right box to convert in the other direction.

2

Use the swap button

Click the ⇄ Swap button to reverse the conversion — grams to troy oz. Your current value carries across so you don't have to re-enter anything.

3

About troy oz and grams

troy oz and grams are both weight and mass. Use this converter to switch between them instantly.

💡 Did you know?

1 troy oz = 31.1035 g. Gold and silver are priced globally per troy ounce. The 'spot price' you see quoted for gold (e.g. $2,300/oz) is always per troy ounce. The avoirdupois ounce (28.35 g, everyday weight) is smaller — paying attention to which ounce matters in bullion trading.

📊 Common conversions at a glance
troy oz grams
0.1 3.11
0.25 7.776
0.5 15.55
1 31.1
2 62.21
5 155.5
Reviewed for 2026. troy oz ↔ grams conversion factor verified against published reference data. Built by a UK-based qualified primary teacher and FA Level 2 coach as part of 247QuickTools' free utility-tools project.