Ounces to Tonnes Converter

Type a value in ounces and instantly see the equivalent in metric tonnes.

Enter Value

Ounces (oz) Metric Tonnes (t)
oz
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Result

Metric Tonnes t

Quick Reference — Ounces to Metric Tonnes

Ounces (oz) Metric Tonnes (t)
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Summary

Type a value in ounces and instantly see the equivalent in metric tonnes.

How it works

  1. Enter a mass value in ounces in the input field.
  2. The converter multiplies your value by 0.000028349523125 (the exact SI factor).
  3. The result in metric tonnes appears immediately below.
  4. Use the Copy button to copy the result to your clipboard.
  5. Click Swap to reverse the conversion and convert tonnes back to ounces.

Use cases

  • Convert precious-metal weights from troy ounces to metric tonnes for bulk orders.
  • Check shipping freight weights when your scale reads in ounces but manifests require tonnes.
  • Convert recipe or lab measurements between imperial and metric mass units.
  • Verify unit conversions in spreadsheets or engineering calculations.
  • Quickly switch between ounces and tonnes when reading commodity price quotes.
  • Assist students learning SI and imperial unit conversion in science courses.

Frequently Asked Questions

Last updated: 2026-06-11 · Reviewed by Nham Vu