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The units used for weight and mass are the same but there is a subtle difference in the meaning.

Take for instance an amount of substance that has a mass of 1kg. On earth it would weigh 1 kg. Taking the same object into space it would weigh nothing but would still have a mass of 1 kg. This is called inertial mass. Taking the object to the moon and it would still have a mass of 1 kg but would weigh about 1/6 of a kg. Weight is dependant on the gravitational field where the object is. This is a simplified explanation.

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Q: What are the units for weight and mass?
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You use the formula weight = mass x gravity. In SI units, the gravity is 9.8 meters per second square, weight is in Newtons, mass is in kilograms.You use the formula weight = mass x gravity. In SI units, the gravity is 9.8 meters per second square, weight is in Newtons, mass is in kilograms.You use the formula weight = mass x gravity. In SI units, the gravity is 9.8 meters per second square, weight is in Newtons, mass is in kilograms.You use the formula weight = mass x gravity. In SI units, the gravity is 9.8 meters per second square, weight is in Newtons, mass is in kilograms.


What units are mass and weight mesured in?

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Do weight and mass use the same units?

No. Units of mass include kilogram, gram, poundmass, and slug. Weight is expressed in units of force. They include newton, poundforce, ounce, ton. Especially in the metric system, units of mass and force are often used interchangeably. This practice arises from a basic misunderstanding of the difference between mass and weight, and is incorrect.


How are grams and mass related?

Mass can be expressed in grams and other weight units.


How do you convert units of weight and mass?

In the metric system (really called SI) weight is measured in units of newtons (lower case n to emphasize we are not talking about the scientist) and mass is in units of kilograms. W = mg (g =9.8) so weight in newtons equals mass in kilograms times 9.8.


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What is unit of measurement for weight?

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