Ounces (oz) to Metric Tonnes (t) Converter
Enter a value to instantly convert between weight units.
1 Ounce = 0 Metric Ton
Key Formulas
Kilogram → Pound
lb = kg × 2.20462Pound → Kilogram
kg = lb × 0.453592Gram → Ounce
oz = g × 0.035274Ounce → Gram
g = oz × 28.3495Formula
t = oz × 0.0000283495An ounce is a small fraction of a tonne — about 28 thousandths. Since there are 35,274 ounces in a metric tonne, converting from ounces to tonnes means dividing by 35,274. This is useful when US food labels, precious metals quotes, or postal weights need to be converted to metric for international trade documentation.
Source: NIST SP 811, Table B.8
Frequently Asked Questions
Real-World Examples
A US customs declaration of 35,274 oz of imported cocoa converts to exactly 1 tonne for the tariff calculation.
35273.96 oz = 1 t
A US food importer labeling 500 oz of imported olive oil needs the metric equivalent — 0.01417 tonnes.
500 oz = 0.01417 t
A precious metals dealer converting 1000 oz of silver to metric for an international trade reports 0.02835 tonnes.
1000 oz = 0.02835 t
A US postal package weighing 100 oz converts to 0.002835 tonnes for the international shipping declaration.
100 oz = 0.002835 t