☙

tunna

1

In Sweden, ?– 20ᵗʰ centuries, a unit of dry capacity. In the 20ᵗʰ century reported¹ as 165 liters firm (about 4.68 U.S. bushels), 146.6 liters loose (about 4.16 U.S. bushels).

The tunna for coal was

Between 1786 and 1865 there was a special tunna for herring = 80 kannor, about 209.4 liters.

1. United Nations, 1966.

2

In Finland, two units:

one of dry capacity, about 164.88 liters (about 4.679 U.S. bushels)
one of liquid capacity, about 125.63 liters (about 33.19 U.S. gallons)