Below is a link to an RRSP calculator:
https://www.rbcroyalbank.com/investments/rrsp.html?utm_dc=ks_SEG_89574272_26595174752_267302357462_kwd-47017362_c&gclid=EAIaIQobChMInpmIwOmx4QIV7x-tBh0zaQm6EAAYAiAAEgJyvvD_BwE