Tonnen

Tonnen is the German plural form of the noun Tonne, a unit of mass used in the metric system. A tonne (symbol t) equals 1,000 kilograms. It is not an SI base unit, but it is accepted for use with the SI system and is widely employed in science, industry, and everyday life to express large masses. The term originates from the French word tonne and is widely used in many countries that utilize the metric system.

In practice, tonnen are used to describe the mass of goods, cargo, vehicles, fuels, and other large quantities. In German-language contexts, one would typically say "eine Tonne" for one metric ton and "zwei Tonnen" for two metric tons. The unit is common in logistics, construction, agriculture, and energy sectors, where precise weights are important for planning and safety.

Conversions and relation to other units: 1 Tonne = 1000 kilograms. This is approximately 2,204.6226 pounds (avoirdupois). Relative to long tons (UK tons), 1 tonne is about 0.984207 long tons, and relative to short tons (US tons), 1 tonne is about 1.102311 short tons. In technical contexts, figures are often presented with the symbol t (lowercase).

See also: ton (unit) in English-language contexts, tonne definitions in international standards, and related mass units such as kilogram and pound.