Tonne

With ton among other different units are referred, in particular for masses. Widespread common are the " metric ton " and "long ton" and " short ton ".

Metric ton

The tonne (from the Latin tunna, the barrel ') or metric ton with the unit symbol t is a unit of mass. According to the international system of units corresponds to a ton of 1000 kilograms (or one million grams, so a mega gram). In countries where the metric system is set as the default, is usually simply " ton " spoken. In all other countries, particularly in English-speaking, one speaks of the " metric ton " (English "metric ton", not to be confused with metric ton ) in order to distinguish them from the long ton and the short ton.

In some scientific books and journals, the step of the term " ton " will go to the label " megagram " completed. Especially on the international level, so as to avoid confusion. Accordingly, in English-language literature, the " giga " (Gt ) now sometimes also by " Petagramm " (Pg) is replaced.

The barrel is not part of the International System of Units ( SI), but is approved for use with the SI. This is a legal unit.

Decimal multiples

Of course, all other resolutions for units of measurement are possible, some will also be used.

Been: ( dt unit characters) replaced the unit hundredweight formerly often used in German agriculture ( unit symbol: ztr; ; equivalent to 50 kg) and the resulting quintals (one character corresponds to 100 kg dz) is in Germany by the legal unit " quintal ". It also corresponds to 100 kilograms. Thus, the old unit dz is mass equal to the new unit dt ( 1 dz = 1 dt = 100 kg). Agricultural yields are in German books often in " quintals per hectare" ( dt / ha) specified internationally but they are ten times as large in the unit " tonnes per hectare" (t / ha) indicated; this is again in the recent literature is increasingly replaced by the term " mega grams per hectare" (Mg / ha).

The following applies:

Long ton

The Long ton outdated, also called " British ton ," is a unit of mass in the avoirdupois system of measurement. The symbols of the Long ton is tn. l (with spaces). The long ton is equal to 20 "long hundredweight " and thus in 2240 the Anglo-American pound (Pound ).

In the military field, the unit carries the name Standard tonne ( unit symbol ts, of Engl. Tone standard) and is a measure of the standard displacement of a ship. The term was introduced in 1922 and will not be applied retroactively to historical ships.

The term long ton was made to distinguish between the short ton.

Short ton

The " short ton " outdated, also called "American ton ," is a unit of mass, which is common, especially in the United States. The unit symbol is: tn. sh. (with spaces). A short ton is equal to 20 "short hundredweight " and thus in 2000 the Anglo-American pound (Pound ).

More " tons "

Mining

In the mining industry is the so-called Dry Metric Ton Unit ( short DMTU, Latin -American- English literally for " dry metric ton unit " ) worked. 1 DMTU equal to one metric tonne of ore without water portion with a metal content of one percent, which corresponds to a metal weight of 10 kilograms. For example, if the price of a 48-percent manganese ore specified with $ 2.30 / DMTU, the ore is traded with 48 × 2.30 USD / ton.

Jato

In short " Jato " or " tpa " the definition " tonne per year ( n ) ", used - When referring to manufacturing capabilities of mass-produced goods, such as steel and chemicals, is used instead of " tons per year " often - in allusion to the " miles per hour " However, the year is not a legal unit of measurement in Germany. In English, the abbreviation is tpa ' ( for, tons per annum ' or ' tonnes per annum ' ) are common.

Historical tons

The Prussian was a ton of volume for bulk commodities such as salt, lime, gypsum, coal, charcoal, ash and similar rough stuff.

In Riga was expected for

• Coal 1 ton = 494.4 Stoof = 31 784 Parisian cubic inches = 630.48 liters 12 tons = 1 load

The Lüneburg salt had been a ton of packaging and weight measure protected equally since the 13th century and by imperial decree.

A ton of Lüneburg salt as a measure and standard vessel:

In Konigsberg and Danzig was a ton Stückmaß in trade with pegs.