Sir, Is there an inductor model for sky130 xschem

Yes. 3 varieties of inductors are available

@Lab Lecture How do you calculate the inductance for these models and connect these in a circuit?

In magic, when you instantiate an inductor, a property dialog box appears. All the values are mentioned there. You can modify them . True for resistance and capacitance too.

Yes true, but there is no inductance value being shown. So how can I design a inductor with a certain inductance, let's say 1 nH, using this device?

I think you have to change the x,y values. The size will decide the inductance value. But not sure though

Thanks. Is there any documentation for calculating these values?