Comparison Between Income Tax in Toronto and SF Sources Toronto: Federal tax & Ontario Tax SF: Federal Tax California Tax Misc: Canadian EI and CPP, US Social Security Formula TorontoTax = CanadianFederalTax + OntarioTax + EI + CPP SFTax = USFederalTax + CaliforniaTax + SocialSecurity Calculation does not take into account other taxes, tax breaks, or cost of living.