Free calculators and unit converters for general and everyday use.
Our online tools will provide quick answers to your calculation and conversion needs. On this page, you can convert weight values from milligrams to tonnes and tonnes to milligrams.
1 tonne = 1000000000 milligrams
1 milligram = 0 tonnes
The symbols used are mg for milligram and t for tonne.
Convert 140 milligrams to tonnes
140 mg = 140*0 t = 1.0E-7 t