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2018 Health Insurance Premium Subsidy Calculator

Reviewed by Calculator Editorial Team

The 2018 Health Insurance Premium Subsidy Calculator helps you determine how much you could receive in financial assistance to help pay for health insurance through the Affordable Care Act (ACA) marketplace. This tool uses the 2018 tax year rules to calculate your estimated subsidy based on your income and household size.

How to Use This Calculator

To calculate your 2018 health insurance premium subsidy:

  1. Enter your total household income for 2018
  2. Select your household size
  3. Click "Calculate Subsidy"

The calculator will display your estimated monthly subsidy amount and provide additional information about how the subsidy is calculated.

How the Subsidy Works

The 2018 health insurance premium subsidy is based on your income and household size. The Affordable Care Act provides financial assistance to help make health insurance more affordable for eligible individuals and families.

The subsidy is calculated using a sliding scale that takes into account:

  • Your total household income
  • Your household size
  • The cost of the second-lowest silver plan in your area

The subsidy is designed to help you pay a maximum of 8.5% of your income toward your health insurance premium.

Formula Used

The subsidy is calculated using the following formula:

Subsidy = (Maximum Premium - (Income × 0.085)) × 12

Where:

  • Maximum Premium is the cost of the second-lowest silver plan in your area
  • Income is your total household income for 2018
  • 0.085 is the maximum percentage of income you can be charged for premiums

This formula ensures that your subsidy helps you pay no more than 8.5% of your income toward your health insurance premium.

Worked Example

Let's calculate the subsidy for a household with $50,000 income and 2 people in 2018.

  1. Enter $50,000 as the household income
  2. Select 2 as the household size
  3. Click "Calculate Subsidy"

The calculator will display the estimated subsidy amount based on the formula and the cost of the second-lowest silver plan in your area.

Note: The actual subsidy amount may vary based on your specific location and the cost of health insurance plans available in your area.

Frequently Asked Questions

How is the subsidy amount determined?
The subsidy amount is determined based on your income and household size, using a sliding scale that ensures you pay no more than 8.5% of your income toward your health insurance premium.
Can I use this calculator for any year?
This calculator specifically uses the 2018 tax year rules. For other years, you would need to use a calculator designed for that specific tax year.
What if my income changes during the year?
The subsidy is based on your total income for the tax year. If your income changes significantly during the year, you may need to adjust your withholding or make estimated tax payments to avoid penalties.
Is the subsidy taxable?
No, the subsidy is not taxable income. It is designed to help make health insurance more affordable for eligible individuals and families.