About ounce

1 ounce = 0.00002835 tonne

About tonne

1 tonne = 1000 kilograms

More Mass conversions

• Convert ounce to kilogram
• Convert ounce to gram
• Convert ounce to pound
• Convert ounce to tonne
• Convert ounce to milligram
• Convert ounce to microgram
• Convert ounce to stone
• Convert ounce to short ton (US)
• Convert ounce to long ton (UK)