Usually, when too is used at the end of the clause, it means 'also' or 'as well'. So, also = too in that way.

When I've finished painting the bathroom, I'm going to do the kitchen too/also/as well.

The preposition 'to' is entirely different. Don't use it to mean 'too/as well/also' in any case.

'to' has many meanings and usage. Refer any dictionary too to find that!

Usually, when too is used at the end of the clause, it means 'also' or 'as well'. So, also = too in that way.

When I've finished painting the bathroom, I'm going to do the kitchen too/also/as well.

The preposition 'to' is entirely different. Don't use it to mean 'too/as well/also' in any case.

'to' has many meanings and uses. Refer any dictionary too to find that!