If you weigh 160lb on the Earth, you also have 160lb of mass. You would weigh 26lb on the moon and still have 160lb of mass.

I don’t know how to make the point any clearer that there are two units of measurement, both with the same name.

https://en.m.wikipedia.org/wiki/Pound_(force)

https://en.m.wikipedia.org/wiki/Pound_(mass)

So how do I know which is meant in a given sentence?