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Self-Employment Tax worksheet

Grade 7 · CCSS 7.RP.A.3

Solve each problem and show your work. Round answers to 2 decimal places where needed.

  1. Problem 1.
    • Self-employment income for the year: $75,000
    • Business expenses (optional): $15,500
    • Filing status (2026): Married filing separately

    Find: 2026 self-employment tax

  2. Problem 2.
    • Self-employment income for the year: $65,000
    • Business expenses (optional): $12,000
    • Filing status (2026): Head of household

    Find: 2026 self-employment tax

  3. Problem 3.
    • Self-employment income for the year: $69,000
    • Business expenses (optional): $17,000
    • Filing status (2026): Married filing jointly

    Find: 2026 self-employment tax

  4. Problem 4.
    • Self-employment income for the year: $90,000
    • Business expenses (optional): $18,000
    • Filing status (2026): Single

    Find: 2026 self-employment tax

  5. Problem 5.
    • Self-employment income for the year: $67,500
    • Business expenses (optional): $13,000
    • Filing status (2026): Single

    Find: 2026 self-employment tax

  6. Problem 6.
    • Self-employment income for the year: $60,000
    • Business expenses (optional): $18,000
    • Filing status (2026): Single

    Find: 2026 self-employment tax

  7. Problem 7.
    • Self-employment income for the year: $110,000
    • Business expenses (optional): $22,000
    • Filing status (2026): Married filing jointly

    Find: 2026 self-employment tax

  8. Problem 8.
    • Self-employment income for the year: $90,000
    • Business expenses (optional): $16,000
    • Filing status (2026): Single

    Find: 2026 self-employment tax

  9. Problem 9.
    • Self-employment income for the year: $70,000
    • Business expenses (optional): $12,000
    • Filing status (2026): Head of household

    Find: 2026 self-employment tax

  10. Problem 10.
    • Self-employment income for the year: $75,000
    • Business expenses (optional): $11,000
    • Filing status (2026): Married filing separately

    Find: 2026 self-employment tax

Answer key: Self-Employment Tax worksheet

  1. 1. 2026 self-employment tax: $8,407.08

    1. Subtract your business expenses to get your net profit

      $75,000.00−$15,500.00=$59,500.00
    2. Take 92.35% of your profit, leaving out the employer's half of the tax as employees do

      $59,500.00×92.35%=$54,948.25
    3. Social Security part: 12.4% of your net earnings, up to the yearly limit

      $54,948.25×12.4%=$6,813.58
    4. Medicare part: 2.9% of all your net earnings, with no limit

      $54,948.25×2.9%=$1,593.50
    5. Add the two parts to get your 2026 self-employment tax

      $6,813.58+$1,593.50=$8,407.08
    6. You can deduct half of it, which lowers your income tax

      $8,407.082=$4,203.54
    7. Split it into four, one share for each quarterly estimated payment

      $8,407.084=$2,101.77
  2. 2. 2026 self-employment tax: $7,488.66

    1. Subtract your business expenses to get your net profit

      $65,000.00−$12,000.00=$53,000.00
    2. Take 92.35% of your profit, leaving out the employer's half of the tax as employees do

      $53,000.00×92.35%=$48,945.50
    3. Social Security part: 12.4% of your net earnings, up to the yearly limit

      $48,945.50×12.4%=$6,069.24
    4. Medicare part: 2.9% of all your net earnings, with no limit

      $48,945.50×2.9%=$1,419.42
    5. Add the two parts to get your 2026 self-employment tax

      $6,069.24+$1,419.42=$7,488.66
    6. You can deduct half of it, which lowers your income tax

      $7,488.662=$3,744.33
    7. Split it into four, one share for each quarterly estimated payment

      $7,488.664=$1,872.17
  3. 3. 2026 self-employment tax: $7,347.37

    1. Subtract your business expenses to get your net profit

      $69,000.00−$17,000.00=$52,000.00
    2. Take 92.35% of your profit, leaving out the employer's half of the tax as employees do

      $52,000.00×92.35%=$48,022.00
    3. Social Security part: 12.4% of your net earnings, up to the yearly limit

      $48,022.00×12.4%=$5,954.73
    4. Medicare part: 2.9% of all your net earnings, with no limit

      $48,022.00×2.9%=$1,392.64
    5. Add the two parts to get your 2026 self-employment tax

      $5,954.73+$1,392.64=$7,347.37
    6. You can deduct half of it, which lowers your income tax

      $7,347.372=$3,673.68
    7. Split it into four, one share for each quarterly estimated payment

      $7,347.374=$1,836.84
  4. 4. 2026 self-employment tax: $10,173.28

    1. Subtract your business expenses to get your net profit

      $90,000.00−$18,000.00=$72,000.00
    2. Take 92.35% of your profit, leaving out the employer's half of the tax as employees do

      $72,000.00×92.35%=$66,492.00
    3. Social Security part: 12.4% of your net earnings, up to the yearly limit

      $66,492.00×12.4%=$8,245.01
    4. Medicare part: 2.9% of all your net earnings, with no limit

      $66,492.00×2.9%=$1,928.27
    5. Add the two parts to get your 2026 self-employment tax

      $8,245.01+$1,928.27=$10,173.28
    6. You can deduct half of it, which lowers your income tax

      $10,173.282=$5,086.64
    7. Split it into four, one share for each quarterly estimated payment

      $10,173.284=$2,543.32
  5. 5. 2026 self-employment tax: $7,700.60

    1. Subtract your business expenses to get your net profit

      $67,500.00−$13,000.00=$54,500.00
    2. Take 92.35% of your profit, leaving out the employer's half of the tax as employees do

      $54,500.00×92.35%=$50,330.75
    3. Social Security part: 12.4% of your net earnings, up to the yearly limit

      $50,330.75×12.4%=$6,241.01
    4. Medicare part: 2.9% of all your net earnings, with no limit

      $50,330.75×2.9%=$1,459.59
    5. Add the two parts to get your 2026 self-employment tax

      $6,241.01+$1,459.59=$7,700.60
    6. You can deduct half of it, which lowers your income tax

      $7,700.602=$3,850.30
    7. Split it into four, one share for each quarterly estimated payment

      $7,700.604=$1,925.15
  6. 6. 2026 self-employment tax: $5,934.41

    1. Subtract your business expenses to get your net profit

      $60,000.00−$18,000.00=$42,000.00
    2. Take 92.35% of your profit, leaving out the employer's half of the tax as employees do

      $42,000.00×92.35%=$38,787.00
    3. Social Security part: 12.4% of your net earnings, up to the yearly limit

      $38,787.00×12.4%=$4,809.59
    4. Medicare part: 2.9% of all your net earnings, with no limit

      $38,787.00×2.9%=$1,124.82
    5. Add the two parts to get your 2026 self-employment tax

      $4,809.59+$1,124.82=$5,934.41
    6. You can deduct half of it, which lowers your income tax

      $5,934.412=$2,967.21
    7. Split it into four, one share for each quarterly estimated payment

      $5,934.414=$1,483.60
  7. 7. 2026 self-employment tax: $12,434.00

    1. Subtract your business expenses to get your net profit

      $110,000.00−$22,000.00=$88,000.00
    2. Take 92.35% of your profit, leaving out the employer's half of the tax as employees do

      $88,000.00×92.35%=$81,268.00
    3. Social Security part: 12.4% of your net earnings, up to the yearly limit

      $81,268.00×12.4%=$10,077.23
    4. Medicare part: 2.9% of all your net earnings, with no limit

      $81,268.00×2.9%=$2,356.77
    5. Add the two parts to get your 2026 self-employment tax

      $10,077.23+$2,356.77=$12,434.00
    6. You can deduct half of it, which lowers your income tax

      $12,434.002=$6,217.00
    7. Split it into four, one share for each quarterly estimated payment

      $12,434.004=$3,108.50
  8. 8. 2026 self-employment tax: $10,455.87

    1. Subtract your business expenses to get your net profit

      $90,000.00−$16,000.00=$74,000.00
    2. Take 92.35% of your profit, leaving out the employer's half of the tax as employees do

      $74,000.00×92.35%=$68,339.00
    3. Social Security part: 12.4% of your net earnings, up to the yearly limit

      $68,339.00×12.4%=$8,474.04
    4. Medicare part: 2.9% of all your net earnings, with no limit

      $68,339.00×2.9%=$1,981.83
    5. Add the two parts to get your 2026 self-employment tax

      $8,474.04+$1,981.83=$10,455.87
    6. You can deduct half of it, which lowers your income tax

      $10,455.872=$5,227.93
    7. Split it into four, one share for each quarterly estimated payment

      $10,455.874=$2,613.97
  9. 9. 2026 self-employment tax: $8,195.14

    1. Subtract your business expenses to get your net profit

      $70,000.00−$12,000.00=$58,000.00
    2. Take 92.35% of your profit, leaving out the employer's half of the tax as employees do

      $58,000.00×92.35%=$53,563.00
    3. Social Security part: 12.4% of your net earnings, up to the yearly limit

      $53,563.00×12.4%=$6,641.81
    4. Medicare part: 2.9% of all your net earnings, with no limit

      $53,563.00×2.9%=$1,553.33
    5. Add the two parts to get your 2026 self-employment tax

      $6,641.81+$1,553.33=$8,195.14
    6. You can deduct half of it, which lowers your income tax

      $8,195.142=$4,097.57
    7. Split it into four, one share for each quarterly estimated payment

      $8,195.144=$2,048.78
  10. 10. 2026 self-employment tax: $9,042.91

    1. Subtract your business expenses to get your net profit

      $75,000.00−$11,000.00=$64,000.00
    2. Take 92.35% of your profit, leaving out the employer's half of the tax as employees do

      $64,000.00×92.35%=$59,104.00
    3. Social Security part: 12.4% of your net earnings, up to the yearly limit

      $59,104.00×12.4%=$7,328.90
    4. Medicare part: 2.9% of all your net earnings, with no limit

      $59,104.00×2.9%=$1,714.02
    5. Add the two parts to get your 2026 self-employment tax

      $7,328.90+$1,714.02=$9,042.91
    6. You can deduct half of it, which lowers your income tax

      $9,042.912=$4,521.46
    7. Split it into four, one share for each quarterly estimated payment

      $9,042.914=$2,260.73