So, you are on pooled mining and tried to calculating your estimation how many coins that you will get for a specific time or specific blocks solved, right?
That's quite hard, may you need to use solo mining calculator, the logic is, use your pool's Hashrate on solo mining calculator, then you will get how many blocks can be solved by your pool in a specific time and of course how many coins will be getting. Then calculating your contribution to the pool (also you need to know your pool payment scheme)
One of solo mining calculator with a few coins that I know:
https://mining.alekseirubin.ru/Or else, you can Google it or calculate manually (I'm doing manually)
Some Mining Pool also has estimated earning for their miners.