Literally, barrel or cask.
In Denmark, Middle Ages – 20ᵗʰ century, various units of capacity. In 1683, the weights and measures law of King Christian V fixed the sizes of three tønder in terms of the pot, defined as ¹⁄₃₂ cubic fod.
|Unit||Defined as||Equivalents||Used for|
|korntønde||144 potter||139.121 liters (about 3.95 U.S. bushels)||peas, malt, meal, grain, fruit, lime, charcoal|
|salttønde||176 potter||170 liters||salt, bark, coal|
|øltønde||136 potter||131.5 liters (about 34.7 U.S. gallons)||oil, butter, honey, mead, tallow, soap, meat, fish, whale oil, cod liver oil|
In Denmark, a unit of land area, Middle Ages – present, originally in concept the amount of land that would be sown with a tønde of seed; a seed measure of land. The law of 1683 defined it as 14,000 square alen, about 5516.2 square meters (approximately 1.363 acres).
United Nations, 1966.
Tønde in this sense is actually shortened form of tøndeland. There were a number of tøndelander; the one above is the tønde sædeland, as distinct from the tønde hartkörn, a land measure, 28,369 square meters (about 7.1 acres). Perhaps not used in the 20ᵗʰ century. Please see the chart of pre-metric Danish land measures for a fuller explanation.
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Last revised: 11 March 2011.