Affordable Care Act Estimator Tools | Internal Revenue Service
The Taxpayer Advocate Service has developed several tools for individuals and employers to help determine how the Affordable Care Act might affect them and to estimate ACA related credits and payments.
Individuals: If you are taking Advance Premium Tax Credits during the year, then you need to reconcile those payments when you file your tax returns. The IRS has provided a self-help tool to help you understand beforehand what the impact might be if you are considering making some extra income or if one of your dependents becomes their own tax filer for the year, this tool will help you estimate the impact on your premium tax credits. Check out the Premium Tax Credit Change Estimator here: