What is the best website worth calculator tools?

Hi everyone here ?

I'm new here and i need discussion with members here to know what is best website worth checker tools

Sorry if it maybe in wrong department, i want to say thnks to admin to give us opportunity to discussion with each other..

I have used tool to check how much worth this fourm and found out this result

Flashkit.com is worth $ 892,800.00

http://websitestatschecker.com/www/flashkit.com

There is many tools can calculate but are this is really or fake results??