Table of Contents

- 1 How are the units related?
- 2 How are capacity and volume related?
- 3 How are units of length and mass related?
- 4 Why is there a need for different units of measurement for capacity?
- 5 How are the derived units different for volume and density?
- 6 How to tell the difference between volume and capacity?
- 7 Which is the SI unit of capacity and volume?

To convert from one unit to another, all you have to do is move the decimal point. Larger and smaller metric units are identified by metric symbols, or prefixes. The prefix for the unit 1000 times larger than the base unit is kilo-, and its symbol is k. The unit 1/100 as large as the base unit is a centiunit.

**What are the units for capacity?**

The standard units of capacity are litres (l) and millilitres (ml).

Volume is the total amount of space that is covered by an object. Capacity is the ability of an object to contain a substance that is either solid, liquid, or gas. Volume is measured in cubic units like cubic centimeter and cubic meter. Capacity is measured in metric units like liters, gallons, etc.

**What is the main unit of capacity?**

Capacity is measured in the SI base unit called litres (L). The most common units for capacity are litre (L) and millilitre (mL).

In the metric system, the basic unit of length is the meter. A meter is slightly larger than a yardstick, or just over three feet. The basic metric unit of mass is the gram….

Length | Mass | Volume |
---|---|---|

basic units | ||

meter | gram | liter |

other units you may see | ||

kilometer | kilogram | dekaliter |

**What are metric units of capacity?**

The standard metric unit of capacity is the liter. From the liter, we get the rest of the metric units using the standard metric prefixes. The eye dropper in the figure has a 2 ml of liquid.

### Why is there a need for different units of measurement for capacity?

Typically, people use gallons to describe larger quantities and fluid ounces, cups, pints, or quarts to describe smaller quantities. Often, in order to compare or to solve problems involving the amount of liquid in a container, you need to convert from one unit of measurement to another.

**How is SI system of unit of volume is related to 1 Litre explain?**

A litre is a cubic decimetre, which is the volume of a cube 10 centimetres × 10 centimetres × 10 centimetres (1 L ≡ 1 dm3 ≡ 1000 cm3). Hence 1 L ≡ 0.001 m3 ≡ 1000 cm3, and 1 m3 (i.e. a cubic metre, which is the SI unit for volume) is exactly 1000 L.

## How are the derived units different for volume and density?

The unit for volume is a unit derived from the SI unit of length and is not a fundamental SI measurement. Density is another measurement derived from SI basic units. The density of a material is defined as its mass per unit volume.

**How are the units of capacity related to each other?**

There are five basic units for measuring capacity in the U.S. customary measurement system. These are the fluid ounce, cup, pint, quart, and gallon. These measurement units are related to one another, and capacity can be described using any of the units.

### How to tell the difference between volume and capacity?

1 The amount of space, which a substance takes up, is known as volume. 2 The Volume of a substance is the measure of the space covered by it. 3 Volume is always measured in cubic units, such as cubic centimetre, cubic meter. 4 When an object is solid, it has only volume, but if an object is hollow, it has both volume and capacity.

**How is the capacity of an object measured?**

On the other hand, an object’s capacity is nothing but the amount of space, interior to the object which can be filled. Volume is always measured in cubic units, such as cubic centimetre, cubic meter. Conversely, capacity is measured in metric units, such as millilitres, litres, gallons, pounds, etc.

## Which is the SI unit of capacity and volume?

The SI unit of capacity is cubic metres or cubic centimetres. The metric unit of capacity (volume) is the litre which isn’t an SI unit.