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A cubic meter is a unit of volume, and kilogram is a unit of weight. It's like asking how many apples are in an orange. For example if it was a cubic meter of lead it would weigh quite a bit more than a cubic meter of air.

If the density of the material is known, it can be multiplied by the volume of a substance to find the weight of the substance. Conversely, the weight of the material can be divided by the density to discover the volume.

Note that density is dependent on the temperature and pressure of the material in question. A kilogram of air in a vacuum will be much larger than a kilogram of air under high pressure. Similarly, a kilogram of ice (frozen water) will be larger than a kilogram of warm water. Test this by freezing a can of soda. It will explode because water expands as it freezes.

Most tables of density are given assuming "STP" or standard temperature and pressure. This is defined by NIST as a temperature of 20 °C (293.15 K, 68 °F) and an absolute pressure of 101.325 kPa (14.696 psi) or more or less room temperature at atmospheric pressure at sea level. Note that there are other systems which define STP differently, but for engineering purposes the default system is the NIST one.

LiquidsIf the material being measured is liquid, an engineer might estimate that a liquid will behave similarly to water and consider the difference negligible. It is not wise to assume something is negligible without having a thorough understanding of the scientific theories underlying the equations being used.

The ability and willingness to estimate and to reduce calculations to simpler real-world applications is one of the characteristics that differentiate engineers from pure scientists.

When the metric system was originally designed, a gram was defined as a cubic centimeter of water at STP. The kilogram is now defined based on a set of international standards, but this old definition is still a good estimate in a pinch.

GasesIf you know you will be using or measuring the material under normal conditions (room temperature and atmospheric pressure), you can simply avoid messier calculations and use the density values from the table.

If the material is in a gassious state, the Ideal Gas Law (pV=nRT) can be used for calculation. Not that the Ideal Gas Law applies only to gasses, not to liquids or solids and is only completely accurate with ideal gasses, though it is often used to estimate non-ideal gasses and mixtures, such as air.

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Other contributors have said:Depends. A cubic meter of WHAT? If it's a cubic meter of lead, it would weigh quite a bit. A cubic meter of air, not so much.

The standard substance that is used to relate metric measurements to each other is water. The "gram" was defined as the mass (not weight, but similar) of one cubic centimeter of water at normal temperature. There are 1 million cubic centimeters in a cubic meter, so a cubic meter of water would have a mass of 1 million grams, or 1,000 kilograms, or 1 metric ton.

To obtain the mass of 1 cubic meter of some other substances, simply multiply the specific gravity of the substance by the mass of a cubic meter of water.

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A normal cubic meter is a volume given at a standard temperature and pressure, usually 0 degrees C and 1 atm.

You have the formula pV = nRT, so you can find the volume at any temperature and pressure you wish, then you simply multiply the volume with the density.

If you do not wish to know the volume at a different temperature or pressure simply multiply the volume given in Nm3 with the density

You have to be kidding me. Simple 1 cubic meter of water times its density which is kg/m3 you have water in kilos, over gravity accelaretion of the earth g and you have newtons for yourself and the rest fellows above. :)

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14y ago
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6mo ago

To convert normal cubic meters (Nm^3) to kilograms (kg), you need to know the density of the substance in question. Multiply the volume in cubic meters by the density in kilograms per cubic meter to get the mass in kilograms. The formula is: Mass (kg) = Volume (Nm^3) x Density (kg/Nm^3).

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14y ago

Not possible. Cubic meters are units of volume while kilograms are units of mass. Unless, you're asking 'converting normal cubic meter of *fluid name* with *fluid density* [kg/m3] or *fluid specific volume* [m3/kg] to kilograms' , but technically that's not conversion, that's looking for the mass of a certain volume of fluid at normal conditions.

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Q: How do you convert normal cubic meters to kilograms?
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Formula on How to convert normal cubic meters to kilograms?

you can but first you need to know the material occupying the space.


How do you convert the cubic meter to weight?

To convert cubic meters to weight, you need to know the density of the substance you are measuring. Multiply the volume in cubic meters by the density in kilograms per cubic meter to get the weight in kilograms. Alternatively, you can use specific gravity if the substance is a liquid.


How do you convert cmb to kgs?

To convert cubic meters (m³) to kilograms (kg), you need to know the density of the substance in question. Multiplying the volume in cubic meters by the density in kilograms per cubic meter will give you the mass in kilograms. The formula for this calculation is mass = volume x density.


How do you convert kilograms to cubic meters?

You can't convert just Kgs. to cubic metres. A kilogram is a measure of weight while a cubic meter is a measure of size.


Convert 44.24 cubic meters to kilograms?

44.24 cubic meters is a measure of volume and kilograms is a measure of mass or weight, the two can not therefore be directly equated.To get how much 44.24 cubic meters of something would weigh, you need to know what that something is - or its density.


How do you convert cubic meters to kilograms?

You cannot. The first is the measure of volume, the second of mass. A cubic metre of air would have a much smaller mass (fewer kilograms) than a cubic metre of lead.


What is 100 cubic feet in meters?

You can convert cubic feet to cubic meters, or feet to meters. But you can't convert cubic feet to meters.


Please tell me how to convert 4ookg into cubic met?

To convert mass (kg) to volume (cubic meters), you need to know the density of the substance. Without the density, you cannot accurately convert 400 kg to cubic meters. Density is needed to convert mass to volume.


How do you convert LPG cubic meter to kilogram?

Without a temperature and pressure, you can't, besides which LPG is usually a liquid until just before use.


How many meters are 104 kilograms?

104 kilograms is a unit of mass, not length. To convert kilograms to meters, you would need to know the substance's density to determine its volume in cubic meters.


How many cubic meter is there in 2100 normal cubic meter?

...probably about 2100 cubic meters, I suppose. In exactly the same way, 15.75 kilograms is 15.75 kilograms, and 2 pounds is 2 pounds. :)


How do you convert actual cubic meters per hour to kilograms per hour?

the relevant material density is missing.