1. Enter gross pay
Use pay before taxes and deductions for one paycheck.
2. Add pre-tax deductions
Include eligible retirement, insurance, or benefit deductions that reduce the entered taxable base.
3. Enter withholding rates
Use the effective income-tax and payroll-tax percentages applicable to the pay period.
4. Add after-tax deductions
Include garnishments, union dues, or benefits taken after tax when applicable.
5. Review net pay
Compare the estimate with the amount available for spending and saving.
6. Refine with a payslip
Replace assumptions with actual withholding rates for a closer estimate.