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Gigatonnes to Apothecary grains conversion

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Gigatonnes conversion

Gigatonne is a prefixed form used to indicate multiples of tonne.

1 gigatonne = 109 tonne = 1015 gram

Apothecary grains conversion

Grain is a unit of mass in the English apothecaries' system of weights. The Medicinals Act of 1858 completely abolished the apothecaries' system in favour of the standard Avoirdupois system.

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