1 ounce =
2.83495 × 10⁻⁵ tonnes
Formula
t = oz × 2.83495 × 10⁻⁵
Handy values
100 oz = 0.00283495 t · 1,000 oz = 0.0283495 t · 10,000 oz = 0.283495 t
Rate this calculator
Was it useful? A quick star rating helps others — and you can leave a comment too.
Rate it:
★
★
★
★
★
⚡ Ounces to Tonnes (Metric Tons): the quick answer
1 oz = 2.83495 × 10⁻⁵ t
1 ounce equals 2.83495 × 10⁻⁵ tonnes
To convert ounces to tonnes, multiply the value by 2.83495 × 10⁻⁵.
To go the other way, multiply tonnes by 35,274 to get ounces.
↔ Convert tonnes to ounces instead
🧮 Formula
Every unit here is defined by its weight in kilograms, so the conversion factor is (kilograms per ounce) ÷ (kilograms per tonne).
📊 Ounces to Tonnes (Metric Tons) conversion table
✏️ Worked examples
📘 About these units
Ounce (oz). The ounce is 1/16 of a pound (28.3495 g), used for food and parcels in the US and UK.
Tonne (t). A tonne (metric ton) is 1,000 kilograms, used for vehicles, cargo, steel and crops.
❓ Frequently asked questions
How many tonnes are in one ounce?
There are 2.83495 × 10⁻⁵ tonnes in one ounce.
How do I convert ounces to tonnes?
Multiply the number of ounces by 2.83495 × 10⁻⁵. For example, 10 ounces equal 0.000283495 tonnes.
How many ounces are in one tonne?
One tonne equals 35,274 ounces.
How many tonnes is 1,000 ounces?
0.0283495 tonnes. Other common values: 100 ounces = 0.00283495 tonnes and 10,000 ounces = 0.283495 tonnes.
🔗 More weight conversions
All weight units →
What people are saying
★★★★★
Anonymous · 22 Oct 2026