One-off income, simplified
Supplemental pay is taxed differently than regular wages. Each calculator below handles the proper federal and state rules so you can plan ahead for big payouts.
Bonus Pay Calculator
→Estimate supplemental withholding on annual or spot bonuses.
Holiday Pay Calculator
→Plan for premium rates and taxes on holiday shifts.
Net vs Gross Calculator
→Flip between desired net pay and gross required to hit it.
PTO/Vacation Calculator
→Project payout value for unused or planned PTO.
Severance Calculator
→Model severance packages with supplemental tax rules.
Keep receipts and pay stubs
Track bonuses and severance carefully so you can reconcile W-2 or 1099 forms at year end. Our calculators help you estimate withholding but your final paperwork is the source of truth.