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# Kilogram per cubic metre

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 Title: Kilogram per cubic metre Author: World Heritage Encyclopedia Language: English Subject: Collection: Publisher: World Heritage Encyclopedia Publication Date:

### Kilogram per cubic metre

Density of the cube: 1 kg/m3

Kilogram per cubic metre is an SI derived unit of density, defined by mass in kilograms divided by volume in cubic metres. The official SI symbolic abbreviation is kg·m−3, or equivalently either kg/m3 or \tfrac{\text{kg}}{\text{m}^3} \!.[1]

## Contents

• Conversions 1
• Relation to other measures 2
• References 4

## Conversions

1 kg/m3 is equivalent to:

= 0.001 g/cm3 (exactly)
≈ 0.06243 lb/ft3 (approximately)
≈ 0.1335 oz/gal (approximately)

1 g/cm3 = 1000 kg/m3 = 1,000,000 g/m3 (exactly)

1 lb/ft3 ≈ 16.02 kg/m3 (approximately)

1 oz/gal ≈ 7.489 kg/m3 (approximately)

## Relation to other measures

The kilogram was originally based on the mass of one litre of water, thus the density of water is about 1000 kg/m3 or 1 g/cm3. In chemistry, g/cm3 is more commonly used.