how it s calculated 
social security tax 50 000 x 062 the employee rate of 6 2 3 100medicare tax 50 000 x 0145 the employee rate of 1 45 725total fica 3 825 3 100 725 2an employee earning 250 000 and filing singly will pay 14 528 20 in fica contributions in 2024 that breaks down to 10 453 20 in social security tax 3 625 in medicare tax and 450 in additional medicare tax the wage earner s employer would pay slightly less because they aren t required to pay the additional medicare tax of 0 9 on the 50 000 above the 200 000 threshold 