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 grains to tonnes and tonnes to grains.
1 tonne = 15432358.352941 grains
1 grain = 1.0E-7 tonnes
The symbols used are gr for grain and t for tonne.
Convert 160 grains to tonnes
160 gr = 160*1.0E-7 t = 1.04E-5 t