How many lbs are there in a tonne

In the United Kingdom, the ton, sometimes referred to as the long ton, is defined as 2, avoirdupois pounds, or 1, kg. The tonne, defined in the International System of Units SI and also known as the metric ton is defined as 2, Although various definitions of the ton are still used in certain countries, the metric ton, or tonne, is the preferred definition of the ton.

Current use: The long ton is used in the United Kingdom along with other countries that still use the imperial system, the short ton is used mainly in the United States, and the tonne is used worldwide.

Although both the UK, the US, and some other countries still use other definitions of the ton, the tonne is the legally designated form of the ton for use in trade.

Definition: A pound symbol: lb is a unit of mass used in the imperial and US customary systems of measurement. The international avoirdupois pound the common pound used today is defined as exactly 0. The avoirdupois pound is equivalent to 16 avoirdupois ounces. The avoirdupois system is a system that was commonly used in the 13 th century. These less common tons are generally quite specialized, meaning you're unlikely to encounter them in your day to day life. Still, the diversity of usage certainly helps explain why the word ton is frequently so confusing.

As we go through the other kinds of tons, notice how sometimes the ton is used to measure mass, sometimes to measure volume, and sometimes it's not a measurement at all—but instead a standard quantity! At sea, tons typically have to do with measuring ships—and in this context, tons are generally a way to express volume rather than mass.

Deadweight Ton. A volume measurement of a ship's carrying capacity, including cargo, ballast, crew, and supplies. It is expressed in tonnes or long tons. Register Ton or Tonnage. Ton Class. A volume measurement that categorizes types of yachts based on the capacity of the hold. Displacement Ton. A measurement of the weight of a ship.

One of the uses of "ton" as a standard amount rather than a measurement happens with ore. Check out the "assay ton" to see that a ton can sometimes mean a very small amount of something! Dry Ton or Tonne. Assay Ton. This amount is the standard quantity of ore necessary for testing the ores of precious metals.

Here, the ton is so removed from its original meaning that it's used to measure energy output in the same way that units like the joule or the calorie do. Ton of TNT. This kind of ton is not a measurement of volume or mass, but instead, a specific amount of energy— calories about 4. This energy unit hasn't had anything to do with the actual chemical TNT for a long time. Tonne of Oil Equivalent. Another standard energy value, based on the amount of energy released by burning one tonne of crude oil.

The very similar "tonne of coal equivalent" is the amount of energy released by burning one tonne of coal. Ton of Refrigeration. This is a measure of heat absorption used for refrigeration and air conditioning, and comes from the days when cooling was accomplished only through ice.

All you really have to know is that in the US, a ton measures mass and is the same as pounds. It helps to have a general sense that the US short ton, the UK long ton, and the metric ton are slight variations on the same measurement. To be a ton superstar, you should remember that the ton started as a measurement of volume and is still used that way about ships.

Anna scored in the 99th percentile on her SATs in high school, and went on to major in English at Princeton and to get her doctorate in English Literature at Columbia. How to convert U. Why are there various types of tons? Other types of ton. Tons in the ocean. In the ocean, it is normally used to denote volume. Tons in the ground.

There are various types of tons of measurement used in the ground- a Dry ton- This is used for the usually wet products but are dried for transportation purposes. There are two types of tons of energy: a Ton of TNT- It is a particular amount of energy, not a measurement of volume or mass.

Pounds to tons conversion table. For making it easy to remember, here is the conversion table: Pounds lb Tons t 0 lb 0 t 0. Share 0. Tweet 0. Pin it 0. Leave a Reply Cancel reply Your email address will not be published. View Comments 0. Related Posts. Education Wiki.