# 1 m³ to kg

1 cubic meter of water equals 1000 kilograms

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Significant Figures:

### Results

1 cubic meter of water weighs 1000 kilograms.

## How to convert 1 cubic meter of water to kilograms

To convert a quantity of a substance or material expressed as a volume to mass we simply use the formula:

mass = density × volume

The density of water is 1000 kg/m³ (see the densities table below). The volume we want to convert is 1 m³.

Now, plugging these values in the formula above, we get:

mass = density × volume = 1000 × 1 = 1000

So, 1 cubic meter of water equals 1 × 103 kilograms Kg.

## How to convert from volume to mass (incorrectly called weight)?

Well, by definition of density we just need to use the formula:

mass = density × volume

Example: How much does 2 cubic meters of gasoline weigh in kilograms if the gasoline density is 750 kg/m³?

Plugging the values in the formula, we get

mass = density × volume = 750 × 2 = 1500 Kg

Very simple isn't it? Yes, it is as simple as that. But this works fine when the density value we have (from a chart for example) is defined using the same unit of volume and mass that we will use in the formula. For example, mass in kg and volume in liters. If we have, for example, mass in pounds and volume in gallons, we should do something to correct our result.

To transform the mass from pounds to kilograms we should multiply the mass in pounds by 0.45359237. We will call 0.45359237 the mass conversion factor - mcf

Matematically we write:

mass in kilograms = mass in pounds × mcf or

mkg = mlb × mcf (1)

To transform the volume from gallons to cubic meters we should multiply the volume in cubic meters by 0.003785411784. We will call 0.003785411784 the volume conversion factor - vcf

Matematically we write:

volume in cubic meters = volume in gallons × vcf or

v = vgal × vcf (2)

Now, dividing the equation (1) by the equation (2), we get

mkgv = mlb × mcfvgal × vcf, or

mkgv = mlbvgal × mcfvcf, but mkgv is, by definition, the density (d) in kg/m³, so

d = mlbvgal × mcfvcf

Rearranging the formula above we get

mlb = d × vgal × vcfmcf

Finally, we can generalize this formula any units of mass and volume, since we know how to find the values for mcf and vcf (Check the factor tables below).

m = d × v × vcfmcf

That is exactly the formula that we use in this calculator. You can see how this formula works reading the example above or/and choosing another one at the bottom of this page.

## Cubic meters of water to kilograms Chart

Cubic meters of water to kilograms
0.1 cubic meter of water = 100 kilograms
1/5 cubic meter of water = 200 kilograms
0.3 cubic meter of water = 300 kilograms
0.4 cubic meter of water = 400 kilograms
1/2 cubic meter of water = 500 kilograms
0.6 cubic meter of water = 600 kilograms
0.7 cubic meter of water = 700 kilograms
0.8 cubic meter of water = 800 kilograms
0.9 cubic meter of water = 900 kilograms
1 cubic meter of water = 1000 kilograms
Cubic meters of water to kilograms
1 cubic meter of water = 1000 kilograms
1.1 cubic meters of water = 1100 kilograms
1/5 cubic meters of water = 1200 kilograms
1.3 cubic meters of water = 1300 kilograms
1.4 cubic meters of water = 1400 kilograms
1/2 cubic meters of water = 1500 kilograms
1.6 cubic meters of water = 1600 kilograms
1.7 cubic meters of water = 1700 kilograms
1.8 cubic meters of water = 1800 kilograms
1.9 cubic meters of water = 1900 kilograms

Note: some values may be rounded.

These tables contain the most frequently used vcf and mcf.

Volume UnitFactor to convert to m³ (vcf)
milliliter0.000001
UK fluid ounce0.0000284130625
US fluid ounce0.00002957352956
UK gallon0.00454609
US gallon0.003785411784
Mass UnitFactor to convert to kg (mcf)
milligram0.000001
gram0.001
tonne1000
pound0.45359237
ounce0.02834952313

## FAQs on water weight to volume conversion

### 1 cubic meter of water equals how many kilograms?

1 cubic meter of water is equivalent 1000 kilograms.

### How much is 1000 kilograms of water in cubic meters?

1000 kilograms of water equals 1 cubic meter.

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