Convert ounce (troy) to tonne

Here you can quickly calculate how many tonne fit in one ounce (troy).

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Conversion from ounce (troy) to tonne example

Starting value Increment Accuracy

To convert ounce (troy) to tonne, multiply by 0.000031.

1 oz t = 0.000031 t

Example: 1 ounce (troy) = 0.000031 tonne

The word 'ton' names three different weights: the metric tonne (1,000 kg), the US short ton (about 907 kg) and the UK long ton (about 1,016 kg). US sources almost always mean the short ton, older UK sources the long ton. Check which ton is meant before converting, they differ by up to 11%.
The everyday avoirdupois ounce is about 28.35 g, but precious metals are priced in troy ounces of about 31.10 g. An 'ounce of gold' is nearly 10% heavier than an ounce of flour. Use troy ounces for gold and silver, the regular ounce for everything else.

Score: 0

10 ounce (troy) equals 0.000311 tonne.

Correct answer: 10 ounce (troy) = 0.000311 tonne.

25 ounce (troy) equals 7.78e-5 tonne.

Correct answer: 25 ounce (troy) = 0.000778 tonne.

2 tonne equals 6.43e+4 ounce (troy).

Correct answer: 2 tonne = 6.43e+4 ounce (troy).

5 ounce (troy) equals 0.00156 tonne.

Correct answer: 5 ounce (troy) = 0.000156 tonne.

50 ounce (troy) equals 0.0156 tonne.

Correct answer: 50 ounce (troy) = 0.00156 tonne.