Tax Rates

2018 Tax Rates Schedule X – Single

If taxable income is over

But not over

The tax is

$0$9,52510% of the taxable amount
$9,525$38,700$952.50 plus 12% of the excess over $9,525
$38,700$82,500$4,453.50 plus 22% of the excess over $38,700
$82,500$157,500$14,089.50 plus 24% of the excess over $82,500
$157,500$200,000$32,089.50 plus 32% of the excess over $157,500
$200,000$500,000$45,689.50 plus 35% of the excess over $200,000
Over $500,000no limit$150,689.50 plus 37% of the excess over $500,000

2018 Tax Rates Schedule Y-1 – Married Filing Jointly or Qualifying Widow(er)

If taxable income is over

But not over

The tax is

$0$19,05010% of the taxable amount
$19,050$77,400$1,905 plus 12% of the excess over $19,050
$77,400$165,000$8,907 plus 22% of the excess over $77,400
$165,000$315,000$28,179 plus 24% of the excess over $165,000
$315,000$400,000$64,179 plus 32% of the excess over $315,000
$400,000$600,000$91,379 plus 35% of the excess over $400,000
$600,000no limit$161,379 plus 37% of the excess over $600,000

2018 Tax Rates Schedule Y-2 – Married Filing Separately

If taxable income is over

But not over

The tax is

$0$9,52510% of the taxable amount
$9,525$38,700$952.50 plus 12% of the excess over $9,525
$38,700$82,500$4,453.50 plus 22% of the excess over $38,700
$82,500$157,500$14,089.50 plus 24% of the excess over $82,500
$157,500$200,000$32,089.50 plus 32% of the excess over $157,500
$200,000$300,000$45,689.50 plus 35% of the excess over $200,000
Over $300,000no limit$80,689.50 plus 37% of the excess over $300,000

2018 Tax Rates Schedule Z – Head of Household

If taxable income is over

But not over

The tax is

$0$13,60010% of the taxable amount
$13,600$51,800$1,360 plus 12% of the excess over $13,600
$51,800$82,500$5,944 plus 22% of the excess over $51,800
$82,500$157,500$12,698 plus 24% of the excess over $82,500
$157,500$200,000$30,698 plus 32% of the excess over $157,500
$200,000$500,000$44,298 plus 35% of the excess over $200,000
$500,000no limit$149,298 plus 37% of the excess over $500,000

2018 Tax Rates Estates & Trusts

If taxable income is over

But not over

The tax is

$0$2,55010% of the taxable income
$2,550$9,150$255 plus 24% of the excess over $2,550
$9,150$12,500$1,839 plus 35% of the excess over $9,150
$12,500no limit$3,011.50 plus 37% of the excess over $12,500

Social Security 2018 Tax Rates

Base Salary$128,700
Social Security Tax Rate6.2%
Maximum Social Security Tax$7,979.40
Medicare Base Salaryunlimited
Medicare Tax Rate1.45%

Additional Medicare 2018 Tax Rates

Additional Medicare Tax0.9%
Filing statusCompensation over
Married filing jointly$250,000
Married filing separate$125,000
Single$200,000
Head of household (with qualifying person)$200,000
Qualifying widow(er) with dependent child$200,000

Education 2018 Credit and Deduction Limits

American Opportunity Tax Credit (Hope)$2,500
Lifetime Learning Credit$2,000
Student Loan Interest Deduction$2,500
Coverdell Education Savings Contribution$2,000

Miscellaneous 2018 Tax Rates

Standard Deduction: 
  • Married filing jointly or Qualifying Widow(er)
$24,000
  • Head of household
$18,000
  • Sinlge or Married filling separately
$12,000
Business Equipment Expense Deduction$1,000,000
Prior-year safe harbor for estimated taxes of higher-income110% of your 2017 tax liability
Standard mileage rate for business driving54.5 cents
Standard mileage rate for medical/moving driving18 cents
Standard mileage rate for charitable driving14 cents
Child Tax Credit$2,000 per qualifying child
Maximum capital gains tax rate for taxpayers with adjusted net capital gain up to $77,200 for joint filers and surviving spouses, $51,700 for heads of household, $38,600 for single filers, $38,600 for married taxpayers filing separately, and $2,600 for estates and trusts0%
Maximum capital gains tax rate for taxpayers with adjusted net capital gain over the amount subject to the 0% rate, and up to $479,000 for joint filers and surviving spouses, $452,400 for heads of household, $425,800 for single filers, $239,500 for married taxpayers filing separately, and $12,700 for estates and trusts15%
Maximum capital gains tax rate for taxpayers with adjusted net capital gain over $479,000 for joint filers and surviving spouses, $452,400 for heads of household, $425,800 for single filers, $239,500 for married taxpayers filing separately, and $12,700 for estates and trusts20%
Capital gains tax rate for unrecaptured Sec. 1250 gains25%
Capital gains tax rate on collectibles and qualified small business stock28%
Maximum contribution for Traditional/Roth IRA$5,500 if under age 50
$6,500 if 50 or older
Maximum employee contribution to SIMPLE IRA$12,500 if under age 50
$15,500 if 50 or older
Maximum Contribution to SEP IRA25% of compensation up to $55,000
401(k) maximum employee contribution limit$18,500 if under age 50
$24,000 if 50 or older
Self-employed health insurance deduction100%
Estate tax exemption$11,200,000
Annual Exclusion for Gifts$15,000
Foreign Earned Income Exclusion$104,100

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