# Cubic centimetres

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## Volume

The volume of a solid is the amount of space it occupies. Solids are three-dimensional. A three-dimensional shape has length and width, and the extra dimension of depth. To measure three-dimensional spaces, a three-dimensional unit of measure is used. The common units used to measure the volume of objects include cubic millimetres (mm3), cubic centimetres (cm3) and cubic metres (m3)

To calculate the volume of a solid, its three dimensions (length, width and depth), are multiplied together.

## Cubic centimetres

The cubic centimetre is a unit of volume measurement. Its symbol is cm3, the '3' indicating that three dimensions (length, width and depth) are involved.

1 cubic centimetre (cm3) = 1 cm x 1 cm x 1 cm. A cubic centimetre has the same volume as a cube of length 1 cm, width 1cm and depth 1 cm.

## Calculating volume in cubic centimetres

Calculating the volume of a solid, whose dimensions (length, width and depth) are measured in centimetres, is a simple process. The three dimensions are multiplied together and the answer is expressed in 'cubic centimetre' units.

Example:

It is important that the unit of measurement used for each of the three dimensions is the same.

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## Pop Quiz

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### Question 1/5

1. The abbreviation for '5 cubic centimetres' would be:-

 5 cm3 53 cm 5 cm2 (5 cm)3

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