First Of All, Search social Blade in google search engine.
and open the socialblade dot come website.
Now All you have to do is type the username which you want to check earnings.
You can check by YouTube channel URL too.
Once you search for the youtube channel, you will find almost all
information about the channel.
they provide data by daily, monthly,and yearly.
if you are mobile user then you can sue their app too.
right now they provide app on google play store and apple store.