A unit of volume is a unit of measurement for measuring volume or capacity, the extent of an object or space in three dimensions. Units of capacity may be used to specify the volume of fluids or bulk goods, for example water, rice, sugar, grain or flour.
According to the SI system, the base unit for measuring length is the metre. The SI unit of volume is thus the cubic metre, which is a derived unit, where: [1]
1 m3 = 1 m • 1 m • 1 m.
| Unit of measure | cubic metre | litre | Reference size | Usage |
|---|---|---|---|---|
| 1 cubic metre | = 1 | = 1000 | base unit in SI | |
| 1 barrel | = 0.158 987 294 928 | = 158.987294928 | = 42 US gallons = 9,702 cubic inches | e. g. for oil |
| 1 cubic foot | = 0.028 316 846 592 | = 28.316864592 | = 1,728 cubic inches | |
| 1 cubic decimetre | = 0.001 | = 1 | ||
| 1 litre | = 0.001 | = 1 | ||
| 1 gallon (US) | = 0.003 785 411 784 | = 3.785411784 | = 8 pints (US) = 231 cubic inches | |
| 1 pint (US) | = 0.000 473 176 473 | = 0.473176473 | ||
| 1 cubic inch | = 0.000 016 387 064 | = 0.016387064 | ||
| 1 cubic centimetre | = 0.000 001 | = 0.001 |
A centimetre or centimeter, with SI symbol cm, is a unit of length in the International System of Units (SI) equal to one hundredth of a metre, centi being the SI prefix for a factor of 1/100. Equivalently, there are 100 centimetres in 1 metre. The centimetre was the base unit of length in the now deprecated centimetre–gram–second (CGS) system of units.
Kilo is a decimal unit prefix in the metric system denoting multiplication by one thousand (103). It is used in the International System of Units, where it has the symbol k, in lowercase.
The litre or liter is a metric unit of volume. It is equal to 1 cubic decimetre (dm3), 1000 cubic centimetres (cm3) or 0.001 cubic metres (m3). A cubic decimetre occupies a volume of 10 cm × 10 cm × 10 cm and is thus equal to one-thousandth of a cubic metre.
Mega is a unit prefix in metric systems of units denoting a factor of one million (106 or 1000000). It has the unit symbol M. It was confirmed for use in the International System of Units (SI) in 1960. Mega comes from Ancient Greek: μέγας, romanized: mégas, lit. 'great'.
Ton is any of several units of measure of mass, volume or force. It has a long history and has acquired several meanings and uses.
Volume is a measure of regions in three-dimensional space. It is often quantified numerically using SI derived units or by various imperial or US customary units. The definition of length and height (cubed) is interrelated with volume. The volume of a container is generally understood to be the capacity of the container; i.e., the amount of fluid that the container could hold, rather than the amount of space the container itself displaces. By metonymy, the term "volume" sometimes is used to refer to the corresponding region.
The cubic foot is an imperial and US customary (non-metric) unit of volume, used in the United States and the United Kingdom. It is defined as the volume of a cube with sides of one foot in length. Its volume is 28.3168 L.
A decametre, symbol dam, is a unit of length in the International System of Units (SI) equal to ten metres.
The stere or stère (st) is a unit of volume in the original metric system equal to one cubic metre. The stere is typically used for measuring large quantities of firewood or other cut wood, while the cubic meter is used for uncut wood. The name was coined from the Greek στερεός stereós, "solid", in 1795 in France as a metric analogue to the cord. The unit was introduced to remove regional disparities of this former unit, for which the length could vary greatly from 6 to 13.5 m. It is not part of the modern metric system (SI) and is no longer a legal unit in France, but remains used in the commerce of firewood.
The twenty-foot equivalent unit is a general unit of cargo capacity, often used for container ships and container ports. It is based on the volume of a 20-foot-long (6.1 m) intermodal container, a standard-sized metal box that can be easily transferred between different modes of transportation, such as ships, trains, and trucks.
Firewood is any wooden material that is gathered and used for fuel. Generally, firewood is not heavily processed and is in some sort of recognizable log or branch form, compared to other forms of wood fuel like pellets. Firewood can be seasoned and heat treated (dry) or unseasoned (fresh/wet). It is generally classified as either hardwood or softwood.
The cord is a unit of measure of dry volume used to measure firewood and pulpwood in the United States and Canada.
A face cord is an informal measurement for stacked firewood, sometimes called a rick.
The cubic ton is a measure of volume. It is considered obsolete in the United Kingdom and is now used primarily in the United States.
The hectare is a non-SI metric unit of area equal to a square with 100-metre sides (1 hm2), that is, 10,000 square meters, and is primarily used in the measurement of land. There are 100 hectares in one square kilometre. An acre is about 0.405 hectares and one hectare contains about 2.47 acres.
The cubic metre or cubic meter is the unit of volume in the International System of Units (SI). Its symbol is m3. It is the volume of a cube with edges one metre in length. An alternative name, which allowed a different usage with metric prefixes, was the stère, still sometimes used for dry measure. Another alternative name, no longer widely used, was the kilolitre.
Stack was a US unit of volume for stacked firewood. Symbol for the unit was stk.
The klafter is an historical unit of length, volume and area that was used in Central Europe.
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