Mass is a measure of how much “stuff” is in an object. The SI unit for mass is the kilogram (kg). Weight depends on the force of gravity. The SI unit for force is the newton (N).

On Earth, a 1-kg object weighs about 9.81 N. (Also, 1 pound is equivalent to about 4.45 N.)
Enter your Earth weight in newtons at the top left corner of the Gizmo, and hit Enter.

What is your weight in newtons?

So enter your weight on Earth in the Gizmo and read the result after hitting enter.

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To calculate your weight in newtons, you need to know your mass. If you know your mass in kilograms, then you can simply multiply it by the acceleration due to gravity on Earth, which is approximately 9.81 m/s².

However, if you only know your weight in pounds, you need to convert it to newtons before calculating. To convert pounds to newtons, you can use the conversion factor that 1 pound is equivalent to about 4.45 newtons.

Let's assume you know your weight in pounds. Take your weight in pounds and multiply it by 4.45 to convert it to newtons. This will give you your weight in newtons.

For example, if your weight in pounds is 150, you would calculate your weight in newtons as follows:

Weight in newtons = Weight in pounds * Conversion factor
Weight in newtons = 150 pounds * 4.45 newtons/pound
Weight in newtons = 667.5 newtons

So, if your weight in pounds is 150, your weight in newtons would be approximately 667.5 newtons.