# Tax Projection Worksheet tax rates and inflation-adjusted amounts (1040)

Leave feedback

Internal Employees

Contact information (optional):

Leave this blank:

Characters left:

The standard deduction, exemption amount, and individual tax rate brackets are adjusted annually for cost-of-living increases. The following IRS-released adjustments are used by the Tax Projection Worksheet.

### 2018 tax rate tables

#### Table 1 - Married individuals filing joint returns and surviving spouses

If taxable income is over- But not over- Tax is- Plus Of the amount over-
\$0.00 \$19,050.00 \$0.00 10.00% \$0.00
\$19,050.00 \$77,400.00 \$1,905.00 12.00% \$19,050.00
\$77,400.00 \$165,000.00 \$8,907.00 22.00% \$77,400.00
\$165,000.00 \$315,000.00 \$28,179.00 24.00% \$165,000.00
\$315,000.00 \$400,000.00 \$64,179.00 32.00% \$315,000.00
\$400,000.00 \$600,000.00 \$91,379.00 35.00% \$400,000.00
\$600,000.00 \$161,379.00 37.00% \$600,000.00

#### Table 2 - Heads of household

If taxable income is over- But not over- Tax is- Plus Of the amount over-
\$0.00 \$13,600.00 \$0.00 10.00% \$0.00
\$13,600.00 \$51,800.00 \$1,360.00 12.00% \$13,600.00
\$51,800.00 \$82,500.00 \$5,944.00 22.00% \$51,800.00
\$82,500.00 \$157,500.00 \$12,698.00 24.00% \$82,500.00
\$157,500.00 \$200,000.00 \$30,698.00 32.00% \$157,500.00
\$200,000.00 \$500,000.00 \$44,298.00 35.00% \$200,000.00
\$500,000.00 \$149,298.00 37.00% \$500,000.00

#### Table 3 - Unmarried individuals other than surviving spouses and heads of household

If taxable income is over- But not over- Tax is- Plus Of the amount over-
\$0.00 \$9,525.00 \$0.00 10.00% \$0.00
\$9,525.00 \$38,700.00 \$952.50 12.00% \$9,525.00
\$38,700.00 \$82,500.00 \$4,453.50 22.00% \$38,700.00
\$82,500.00 \$157,500.00 \$14,089.50 24.00% \$82,500.00
\$157,500.00 \$200,000.00 \$32,089.50 32.00% \$157,500.00
\$200,000.00 \$500,000.00 \$45,689.50 35.00% \$200,000.00
\$500,000.00 \$150,689.50 37.00% \$500,000.00

#### Table 4 - Married individuals filing separate returns

If taxable income is over- But not over- Tax is- Plus Of the amount over-
\$0.00 \$9,525.00 \$0.00 10.00% \$0.00
\$9,525.00 \$38,700.00 \$952.50 12.00% \$9,525.00
\$38,700.00 \$82,500.00 \$4,453.50 22.00% \$38,700.00
\$82,500.00 \$157,500.00 \$14,089.50 24.00% \$82,500.00
\$157,500.00 \$200,000.00 \$32,089.50 32.00% \$157,500.00
\$200,000.00 \$300,000.00 \$45,689.50 35.00% \$200,000.00
\$300,000.00 \$80,689.50 37.00% \$300,000.00

#### Child tax credit

The value used in determining the additional child tax credit that may be refundable is \$2,500.00. The maximum refundable credit per qualifying child is \$1,400.00.

#### Earned income credit

For 2018, the following values are used to project the earned income credit.

Item None One child Two children Three+ children
Earned Income Amount \$6,800.00 \$10,200.00 \$14,320.00 \$14,320.00
Max Credit \$520.00 \$3,468.00 \$5,728.00 \$6,444.00
Threshold Phaseout \$8,510.00 \$18,700.00 \$18,700.00 \$18,700.00
Completed Phaseout \$15,310.00 \$40,402.00 \$45,898.00 \$49,298.00
MFJ Threshold Phaseout \$14,230.00 \$24,390.00 \$24,390.00 \$24,390.00
MFJ Completed Phaseout \$21,000.00 \$46,092.00 \$51,588.00 \$54,988.00

#### Educator expenses

The 2018 maximum above-the-line educator expense deduction remains at \$250.

#### Standard deduction

Filing status Deduction
Married filing jointly and surviving spouses \$24,000
Unmarried individuals (other than surviving spouses and heads of household) \$12,000
Married filing separately \$12,000

#### Aged and blind

For 2018, the additional standard deduction for the aged and blind is \$1,300.00. If the individual is unmarried and not a surviving spouse, the amount is \$1,600.00.

#### State and local tax deduction limited

For tax years beginning after December 31, 2017 and before January 1, 2026, the itemized deduction for state and local tax is limited to \$10,000 (\$5,000 for married filing separately).

#### Itemized deduction limitation phaseout

For tax years beginning after December 31, 2017 and before January 1, 2026, the "Pease limitation" on itemized deductions is suspended.

#### Personal exemption

The personal exemption amount for tax years beginning after December 31, 2017 and before January 1, 2026 is reduced to zero.

#### Social Security Taxes

The maximum wage base for 2018 is \$128,700. Self-employed individuals are subject to 12.4 percent on self-employment income up to the threshold.

#### AMT exemption

Filing status Exemption
Single or Head of household \$70,300.00
Married filing jointly and surviving spouses \$109,400.00
Married filing separately \$54,700.00

#### AMT exemption phaseout

Filing status Phaseout
Married filing jointly and surviving spouses \$1,000,000
Single or Head of household \$500,000
Married filing separately \$500,000

#### AMT excess taxable income above which 28% tax rate applies

Filing status AMTI
Married individuals filing separate returns \$95,500.00
Joint returns, unmarried individuals \$191,100.00

#### AMT excess taxable income 26% adjustment

Filing status AMTI
Married individuals filing separate returns \$3,822.00
Joint returns, unmarried individuals \$1,911.00

#### Additional AMTI for married filing separately

The additional amount is calculated when the Tax Projection Worksheet - Alternative Minimum Tax line 28 exceeds \$718,800.00 (the 2017 amount is \$249,450.00). The additional amount is calculated as 25% of the excess of the amount on line 28 over \$718,800, not to exceed \$54,700.