Originally Posted by RB

10% on income between $0 and $8,025
15% on the income between $8,025 and $32,550; plus $802.50
25% on the income between $32,550 and $78,850; plus $4,481.25
28% on the income between $78,850 and $164,550; plus $16,056.25
33% on the income between $164,550 and $357,700; plus $40,052.25
35% on the income over $357,700; plus $103,791.75

This assumes you're filing as a single person. Also note that this is based on your adjusted gross income, NOT necessarily your wages as stated on your W-2.