Unit of Volume - SI Units and Non-SI Units

Edited By Vishal kumar | Updated on Sep 24, 2024 09:55 PM IST

Volume unit is the unit of measurement for measuring volume or capacity, the range of an object or three dimensional space. In this article we will discuss, what is Volume? What is definition of volume in science? What is definition of Volume in physics? What is SI unit of Volume? Or what is SI unit for volume? What is the standard unit of capacity? What is unit of measurement of volume? So let’s see,

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Unit of Volume - SI Units and Non-SI Units

What is Volume?

Definition: In physics, Volume is a fundamental physical quantity. Volume is an acquired quantity and it indicates the 3 dimensional extent of a body or object. The unit is mainly used to set out the volume of goods or fluids (liquid).

Example of Volume, the space that a matter can be solid, liquid, gas or plasma or some space-immersing shape. The volume of a vessel (container) is contemplated to be the capacity it can hold; i.e., the amount of liquid (fluid), a gas, or a liquid (fluid) that the vessel can hold, rather than the amount of space the vessel itself displaces, like Buoyant force in the water.

Key points:

3-D mathematical shapes are also allocating volumes. Volumes of shapes, such as the regular, straight-edged, and circular shapes can be simply calculated by using arithmetic formulas.
Volumes of complex shapes can be measured with the help of integral calculus when the formula for the boundary is given.

Volume of a Solid

Volume of a solid is regular or irregular. It can be found by liquid (fluid) displacement. Where the displacement of fluid (liquid) is used for finding the volume of a gas. The merge volume of 2 substances is consistently greater than the volume of just 1 of the substances (liquid or gas). Although, sometimes it takes place that one substance dissolves in the other, and in these cases, the merge or combine volume is not additive.

Definition: In science, the Volume refers to the amount of space the body or object takes up. In other words, volume is a measurement of the size of a body or object, like height and width are keys to describe size.

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What is SI unit Volume?

Volume measures the capacity. Therefore the SI unit of volume is a unit for measuring the capacity or the amount of an object or body or space. The unit m³ is mainly used to mention the volume of matter or fluids (liquid).

However, students are cognizant that mass and volume are 2 divergent physical quantities. The units of volume are given below:

Unit of Volume in Physics	SI unit of Volume is (Cubic meter)	Liter
1 Cubic meter	= 1	= 1000
1 barrel	= 0.158987294928	= 158.987294928
1 cubic inch	= 0.000016387064	= 0.016387064
1 cubic foot	= 0.028316846592	= 28.316846592
1 cubic decimeter	= 0.001	= 1
1 liter	= 0.001	= 1
1 gallon (US)	= 0.003785411784	= 3.785411784
1 pint (US)	= 0.000473176473	= 0.473176473
1 cubic centimeter	= 0.000001	= 0.001

These are the common units of volume

Other Volume Units

The unit of volume that is used to represent the volume incorporates the British system of measurements like barrels, drams, gills, bushels, pecks, among others. Therefore, few of the standard units used in the British system are the cubic inch or cubic foot and the gallon.

Volume in Thermodynamics

The volume of a system is the extensive variables to express the state’s thermodynamic state.

The particular specific volume is an intensive characteristic. It is the volume of the system/ unit.

Volume is independent of thermodynamic properties such as temperature and pressure.

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What is standard unit of capacity?

Litre

Capacity is measured in the SI base unit known liters (L). The most common units for capacity are liter (L) and milliliter (mL).

According to the metric system of measurement, most familiar units of volume are milliliters & liters.

In the metric system of weights and measures, the unit of volume conjointly includes the cubic decimeter (L), wherever one cubic decimeter = 10-centimetre cube.

Therefore, 1 litre = (10 cm)³ = 1000 cm³= 0.001 m³,

Therefore,

1 cubic metre = 1000 liters.

Small amounts of liquid are measured in milliliters units,

Where,

1 milliliter = 0.001 litres or 1 cubic centimeter.

Therefore, large amounts are measured in megalitres, i.e.,

1 million litres = 1000 cm³ or 1 ML.

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Several traditional units of volume are further in use, including the following units of volume list:

cubic inch,
the cubic foot,
the cubic yard,
the cubic mile,
the teaspoon,
the tablespoon,
the fluid ounce,
the fluid dram,
the gill,
the pint,
the quart,
the gallon,
the minim,
the barrel,
the cord,
the peck,
the bushel,
the hogshead,
Drams grills
Bushels
Pecks
the acre-foot, and
the board foot

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NCERT Physics Notes:

Frequently Asked Questions (FAQs)

1. Give the Formula of Volume in Physics? Explain all Quantity Used in the Formula.

The formula for volume in Physics shown as;

= m/v

Where

ρ = density of the substance measured in the 2 below units:

kgm⁻³

gcm⁻³

The density of the substance can be contemplating similar characteristics to viscosity. Since, the viscosity of the liquid, which means more is its density, like honey, oil, etc.

m = the mass of the substance measured in metric weight unit and gramme.

Where

A mass is that the quantity of matter a body accommodates.

V = Volume is that the entire area taken by either of the states of matter within the vessel they're placed. Within the case of gas, a gas takes the form of the vessel it's unbroken in.

2. Give the definition of the SI-derived Unit.

SI-derived units are units that are derived from the 7 basic units taken on by the International System of Units (SI).

3. Give the definition of the Term Mass.

Mass is a measure of amount of matter in the object.

The SI base unit of mass is kg.

4. What is the si base unit for volume?

Volume of liquid is measured in liters.

5. Explain the methods to measure length.

The Si unit of length, the metre, was taken to be the distance between two lines marked on the international prototype bar of platinum-iridium alloy kept at the International Bureau of Weights and Measures (BIPM), Sevres, France. This definition of the metre was replaced in 1960 by a more precise one based on the wavelength of certain light and, subsequently, by one based on the speed of light.

Two Methods are used to measure lengths beyond 10² m/What is the SI unit for volume? m: (i) Triangulation and parallax methods involving angular measurements (ii) reflection methods using radio waves, ultrasound and laser. Both triangulation and reflection methods are used to measure large distances and heights on the Earth.

6. If length, force and time are taken as fundamental quantities, what would be the dimensional equations of (i) mass (ii) density?

Assume L, F and T denote the dimensions of the proposed fundamental quantities length, force and time, respectively.