Financial calculators to help plan your personal finances. Paycheck Withholding, savings balances, retirement income and debt planning., Calculate Federal AND State withholding by selecting the state and then press GO., Check your W-4 tax withholding with the IRS Tax Withholding Estimator. See how your withholding affects your refund, paycheck or tax due., SmartAsset's hourly and salary paycheck calculator shows your income after federal, state and local taxes. Enter your info to see your take home pay., Input Withholding Allowances Enter the number of withholding allowances based on your W-4 form. Add Any Additional Withholding If you've opted for additional federal withholding, input it here. Add Pre-tax Deductions Include deductions like retirement contributions, insurance premiums, or health savings. Click ‘Calculate’ Instantly get , .