Built for real work
Part I and II summary.
Estimate IRS Form 1040 Schedule 1 additional income and adjustments. Simplified tax planning calculator.
Net Schedule 1 = Additional income − Adjustments to income
Side business $5k
Sample
Part I and II summary.
Tax planning estimate.
Enter the required fields—dates, amounts, percentages, or measurements as labeled.
Double-check units (currency, tax rate, height/weight) match your scenario.
Run the calculation and read the breakdown, not just the headline number.
Adjust inputs to compare scenarios, or open a related Rankify calculator for the next step.