Full name: metric ton
Plural form: metric tons
Alternate spelling: tonne
Category type: weight
Scale factor: 1000
The SI base unit for mass is the kilogram.
The SI derived unit for weight or force is the newton.
1 kilogram is equal to 0.001 tonne.
Valid units must be of the weight type.
You can use this form to select from known units:
A tonne (also called metric ton) is a non-SI unit of mass, accepted for use with SI, defined as: 1 tonne = 1000 kg (= 106 g).
tonne to chaldron
tonne to gigaelectronvolt
tonne to pound [metric]
tonne to oka [Turkey]
tonne to atomic mass unit 
tonne to tola [India]
tonne to denier [France]
tonne to quintal [French]
tonne to pfund [Denmark, Germany]
tonne to megagram