I just used this actually; I presume they included both halves of Medicare & Social Security: https://www.irscalculators.com/tax-calculator https://www.irscalcu

I just used this actually; I presume they included both halves of Medicare & Social Security: https://www.irscalculators.com/tax-calculator https://www.irscalculators.com/tax-calculator I was assuming single/young (so low-cost insurance), I wasn't really thinking of family/children but that's a good point!