Tonnes to Ounces Converter

About the t to oz calculation

One tonne is exactly 35,273.96 ounces, so converting between them is a single multiplication. Enter any value above and the result updates as you type. A metric tonne is exactly 1,000 kg — not the same as a US or imperial ton. Common in US recipes and for postal weights. Not the same as a fluid ounce.

Formula

oz = t × 35,273.96

1 t = 35,273.96 oz
1 oz = 0.00002835 t

Worked example

To convert 1 t, multiply by 35,273.96: 1 × 35,273.96 = 35,273.96 oz.

Frequently asked questions

How many ounces are in a tonne?

There are 35,273.96 ounces in one tonne. To convert any amount, multiply the number of tonnes by 35,273.96.

How do I convert ounces back to tonnes?

Divide instead of multiplying, or equivalently multiply by 0.00002835. One ounce is 0.00002835 tonnes.

Is this conversion exact?

Yes. Since the international agreement of 1959, the relationship between tonnes and ounces is defined exactly rather than measured, so the only rounding here is in how many decimal places we show.

Where is each of these units used?

Tonnes: a metric tonne is exactly 1,000 kg — not the same as a US or imperial ton. Ounces: common in US recipes and for postal weights. Not the same as a fluid ounce.

Sources

• NIST Special Publication 811 — Guide for the Use of the International System of Units