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Unit of Weight

When we study the unit of weight it can get a bit confusing sometimes. It’s because the weight is measured in the unit of force which is the Newton as well as in the standard base unit kilogram. Moreover, many tend to link weight and mass with each other even though they are scientifically distinct quantities. While it is very important to understand the difference between weight and mass, we will learn about the units here.In this article, let us learn the SI unit of weight, CGS unit and other units of weight.

SI Unit of Weight

Most of the time physical quantities are measured in SI units to make things easier. Therefore, the SI unit of weight can be measured in kg⋅m/s2 (kilograms times meters per second squared) which is equal to a newton (N). Since weight is the force extended by the gravitational force on a mass it is represented by formula W = m*g, where weight can be kg * m/s2 which is equal to N.

Following is the table with the SI unit, CGS unit, and the dimension of weight:

SI unit N
SI base unit kg.m.s-2
CGS dyne
Dimension MLT-2

Other Weight Units

Other units known are pound-force (lbf), slug, gram, amongst others.

Converting The Units Of Weight

1 g = 0.001 kg
1 mg = 0.000001 kg = 0.001 g
1 centigram = 0.00001 kg = 0.01 g
1 metric ton = 1000 kg

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Frequently Asked Questions – FAQs

What is the unit of force?

The SI unit of force is Newton.

What is the CGS unit of weight?

The CGS unit of weight is dyne.

What are the other units of weight?

Other units of weight are:

  • Pound-force (lbf)
  • Slug
  • Gram
  • 1g is equal to how many kg?

    1 g = 0.001 kg

    Express 1000 kg in metric ton.

    1 metric ton = 1000 kg

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